From 4e59682bf1cde424e0ce9f90440d1ad6bd6200f2 Mon Sep 17 00:00:00 2001
From: Eugeniy Mikhailov <evgmik@gmail.com>
Date: Fri, 20 Jun 2014 13:55:53 -0400
Subject: schematics beatified  PID servo project

---
 PID_servo/PID_servo.brd | 150 ++++----
 PID_servo/PID_servo.pro |  10 +-
 PID_servo/PID_servo.sch | 906 +++++++++++++++++++++++++-----------------------
 3 files changed, 549 insertions(+), 517 deletions(-)

diff --git a/PID_servo/PID_servo.brd b/PID_servo/PID_servo.brd
index aa3cb0f..12e7e6c 100644
--- a/PID_servo/PID_servo.brd
+++ b/PID_servo/PID_servo.brd
@@ -596,7 +596,7 @@ design rules under a new name.</description>
 </pass>
 </autorouter>
 <elements>
-<element name="INPUT" library="evmik_bnc_sma_connectors" package="CONN-BNC-AMP-TYPE3HORIZ" value="CONN-BNCTYPE3HORIZ" x="12.7" y="0" locked="yes" smashed="yes" rot="R180">
+<element name="INPUT/CH1" library="evmik_bnc_sma_connectors" package="CONN-BNC-AMP-TYPE3HORIZ" value="CONN-BNCTYPE3HORIZ" x="12.7" y="0" locked="yes" smashed="yes" rot="R180">
 <attribute name="NAME" x="3.81" y="7.62" size="1.778" layer="25" font="vector" rot="R270" align="top-center"/>
 <attribute name="VALUE" x="16.637" y="4.318" size="1.778" layer="27" font="vector" rot="R180"/>
 </element>
@@ -623,25 +623,25 @@ design rules under a new name.</description>
 <element name="R3" library="evmik_rcl" package="1206" value="100k" x="27.94" y="26.67" locked="yes"/>
 <element name="R2" library="evmik_rcl" package="1206" value="100k" x="22.86" y="27.94" locked="yes" rot="R270"/>
 <element name="V_SET" library="evmik_trimmers" package="3PIN" value="10k" x="19.05" y="36.83" locked="yes"/>
-<element name="R24" library="evmik_rcl" package="1206" value="" x="20.32" y="44.45" locked="yes" smashed="yes" rot="R180">
+<element name="R24" library="evmik_rcl" package="1206" value="1k" x="20.32" y="44.45" locked="yes" smashed="yes" rot="R180">
 <attribute name="NAME" x="20.32" y="46.863" size="1.016" layer="25" font="vector" rot="R180" align="bottom-center"/>
 <attribute name="VALUE" x="20.32" y="45.974" size="1.27" layer="27" rot="R180" align="top-center"/>
 </element>
-<element name="R25" library="evmik_rcl" package="1206" value="" x="13.97" y="44.45" locked="yes"/>
+<element name="R25" library="evmik_rcl" package="1206" value="1k" x="13.97" y="44.45" locked="yes"/>
 <element name="R5" library="evmik_rcl" package="1206" value="10k" x="40.64" y="19.05" locked="yes" rot="R270"/>
 <element name="C1" library="evmik_rcl" package="0805" value="100n" x="25.4" y="31.75" rot="R180"/>
-<element name="C5" library="evmik_rcl" package="0805" value="" x="15.24" y="53.34" locked="yes" rot="R90"/>
-<element name="R7" library="evmik_rcl" package="1206" value="" x="20.32" y="53.34" locked="yes" smashed="yes" rot="R90">
+<element name="C5" library="evmik_rcl" package="0805" value="27n" x="15.24" y="53.34" locked="yes" rot="R90"/>
+<element name="R7" library="evmik_rcl" package="1206" value="470k" x="20.32" y="53.34" locked="yes" smashed="yes" rot="R90">
 <attribute name="NAME" x="18.923" y="53.34" size="1.016" layer="25" font="vector" rot="R90" align="bottom-center"/>
 <attribute name="VALUE" x="21.844" y="53.34" size="1.27" layer="27" rot="R90" align="top-center"/>
 </element>
 <element name="P_GAIN" library="evmik_trimmers" package="3386F" value="10k" x="43.18" y="43.18" locked="yes" rot="R180"/>
 <element name="I_GAIN" library="evmik_trimmers" package="3386F" value="10k" x="38.1" y="55.88" locked="yes" rot="R180"/>
-<element name="R8" library="evmik_rcl" package="1206" value="" x="25.4" y="63.5" locked="yes" smashed="yes" rot="R90">
+<element name="R8" library="evmik_rcl" package="1206" value="10k" x="25.4" y="63.5" locked="yes" smashed="yes" rot="R90">
 <attribute name="NAME" x="24.003" y="63.5" size="1.016" layer="25" font="vector" rot="R90" align="bottom-center"/>
 <attribute name="VALUE" x="26.924" y="63.5" size="1.27" layer="27" rot="R90" align="top-center"/>
 </element>
-<element name="C9" library="evmik_rcl" package="0805" value="" x="19.05" y="64.77" locked="yes" rot="R90"/>
+<element name="C9" library="evmik_rcl" package="0805" value=".68u" x="19.05" y="64.77" locked="yes" rot="R90"/>
 <element name="BOOST_SW" library="evmik_switches" package="3PIN" value="OFF_BOARD" x="16.51" y="72.39" locked="yes" smashed="yes">
 <attribute name="NAME" x="16.51" y="76.7588" size="1.27" layer="25" align="bottom-center"/>
 <attribute name="VALUE" x="16.51" y="78.3509" size="1.27" layer="27" align="bottom-center"/>
@@ -686,8 +686,8 @@ design rules under a new name.</description>
 </element>
 <element name="R15" library="evmik_rcl" package="1206" value="10k" x="30.48" y="31.75" locked="yes" rot="R90"/>
 <element name="R16" library="evmik_rcl" package="1206" value="10k" x="26.67" y="36.83" locked="yes" rot="R90"/>
-<element name="R20" library="evmik_rcl" package="1206" value="0" x="78.74" y="50.8" rot="R90"/>
-<element name="R19" library="evmik_rcl" package="1206" value="0" x="95.25" y="50.8" rot="R270"/>
+<element name="R20" library="evmik_rcl" package="1206" value="1k" x="78.74" y="50.8" rot="R90"/>
+<element name="R19" library="evmik_rcl" package="1206" value="1k" x="95.25" y="50.8" rot="R270"/>
 <element name="OFFSET" library="evmik_trimmers" package="3PIN" value="10k" x="86.36" y="52.07"/>
 <element name="R23" library="evmik_rcl" package="1206" value="1k" x="63.5" y="38.1" smashed="yes" rot="R90">
 <attribute name="NAME" x="65.913" y="38.1" size="1.016" layer="25" font="vector" rot="R90" align="bottom-center"/>
@@ -708,7 +708,7 @@ design rules under a new name.</description>
 <attribute name="NAME" x="88.9" y="30.607" size="1.016" layer="25" font="vector" align="bottom-center"/>
 <attribute name="VALUE" x="88.9" y="27.686" size="1.27" layer="27" align="top-center"/>
 </element>
-<element name="C19" library="evmik_rcl" package="0805" value="" x="92.71" y="43.18" rot="R180"/>
+<element name="C19" library="evmik_rcl" package="0805" value="100n" x="92.71" y="43.18" rot="R180"/>
 <element name="C25" library="evmik_rcl" package="0805" value="100n" x="8.89" y="67.31" locked="yes"/>
 <element name="C26" library="evmik_rcl" package="0805" value="100n" x="3.81" y="67.31" locked="yes"/>
 <element name="C+" library="evmik_rcl" package="POL1206" value="6.8u" x="8.89" y="63.5" locked="yes" rot="R180"/>
@@ -791,21 +791,21 @@ design rules under a new name.</description>
 </element>
 <element name="FEEDBACK" library="evmik_switches" package="3PIN" value="OFF_BOARD" x="80.01" y="27.94"/>
 <element name="R26" library="evmik_rcl" package="1206" value="100k" x="22.86" y="17.78" locked="yes" rot="R90"/>
-<element name="R27" library="evmik_rcl" package="1206" value="" x="30.48" y="48.26" locked="yes" rot="R180"/>
-<element name="R28" library="evmik_rcl" package="1206" value="" x="30.48" y="66.04" locked="yes" rot="R180"/>
+<element name="R27" library="evmik_rcl" package="1206" value="10k" x="30.48" y="48.26" locked="yes" rot="R180"/>
+<element name="R28" library="evmik_rcl" package="1206" value="10k" x="30.48" y="66.04" locked="yes" rot="R180"/>
 <element name="R29" library="evmik_rcl" package="1206" value="10k" x="36.83" y="67.31" locked="yes" rot="R90"/>
 <element name="R30" library="evmik_rcl" package="1206" value="1k" x="50.8" y="16.51" rot="R90"/>
 <element name="R32" library="evmik_rcl" package="1206" value="10k" x="43.18" y="26.67" locked="yes" rot="R90"/>
 <element name="R33" library="evmik_rcl" package="1206" value="1k" x="68.58" y="30.48" rot="R90"/>
 <element name="R34" library="evmik_rcl" package="1206" value="100k" x="83.82" y="20.32" rot="R90"/>
-<element name="R4" library="evmik_rcl" package="1206" value="" x="25.4" y="46.99" locked="yes" rot="R90"/>
+<element name="R4" library="evmik_rcl" package="1206" value="10k" x="25.4" y="46.99" locked="yes" rot="R90"/>
 <element name="R31" library="evmik_rcl" package="1206" value="47k" x="50.8" y="49.53" locked="yes" rot="R90"/>
 <element name="CH3_IN" library="evmik_testpads" package="13" value="TP-13" x="63.5" y="30.48"/>
 <element name="PI_OUT" library="evmik_connectors_3pin" package="3PIN_SIGNALS" value="3PIN_SIGNALS" x="57.15" y="41.91" locked="yes"/>
 <element name="PWR1" library="evmik_connectors_3pin" package="3PIN_PWR-TE-640456-3" value="3PIN_PWR" x="6.35" y="44.45" locked="yes"/>
 <element name="PWR2" library="evmik_connectors_3pin" package="3PIN_PWR-TE-640456-3" value="3PIN_PWR" x="6.35" y="54.61" locked="yes"/>
-<element name="R35" library="evmik_rcl" package="1206" value="" x="72.39" y="24.13"/>
-<element name="R36" library="evmik_rcl" package="1206" value="" x="78.74" y="21.59" rot="R180"/>
+<element name="R35" library="evmik_rcl" package="1206" value="inf" x="72.39" y="24.13"/>
+<element name="R36" library="evmik_rcl" package="1206" value="inf" x="78.74" y="21.59" rot="R180"/>
 <element name="R37" library="evmik_rcl" package="1206" value="0" x="58.42" y="49.53"/>
 <element name="R38" library="evmik_rcl" package="1206" value="inf" x="45.72" y="33.02"/>
 <element name="CH1_AMP" library="evmik_opamp" package="SOIC8" value="OPA27" x="88.9" y="63.5"/>
@@ -1329,31 +1329,6 @@ design rules under a new name.</description>
 <wire x1="26.67" y1="35.56" x2="26.67" y2="35.408" width="0.635" layer="1"/>
 <wire x1="30.48" y1="33.02" x2="30.48" y2="33.172" width="0.635" layer="1"/>
 </signal>
-<signal name="INV_R2">
-<contactref element="R16" pad="2"/>
-<contactref element="ERR_INV" pad="6"/>
-<contactref element="E_INV" pad="TP"/>
-<contactref element="R4" pad="1"/>
-<contactref element="P_GAIN" pad="3"/>
-<wire x1="26.67" y1="44.45" x2="26.67" y2="39.37" width="0.635" layer="1"/>
-<wire x1="26.67" y1="39.37" x2="26.67" y2="38.252" width="0.635" layer="1"/>
-<wire x1="25.4" y1="45.72" x2="26.67" y2="44.45" width="0.635" layer="1"/>
-<wire x1="26.67" y1="38.1" x2="26.67" y2="38.252" width="0.635" layer="1"/>
-<wire x1="25.4" y1="45.72" x2="25.4" y2="45.568" width="0.635" layer="1"/>
-<wire x1="33.02" y1="43.18" x2="33.02" y2="42.0624" width="0.635" layer="1"/>
-<wire x1="35.56" y1="45.72" x2="33.02" y2="43.18" width="0.635" layer="1"/>
-<wire x1="33.02" y1="41.91" x2="33.02" y2="42.0624" width="0.635" layer="1"/>
-<wire x1="35.56" y1="45.72" x2="38.1" y2="43.18" width="0.635" layer="1"/>
-<wire x1="38.1" y1="43.18" x2="40.64" y2="40.64" width="0.635" layer="1"/>
-<wire x1="34.29" y1="39.37" x2="26.67" y2="39.37" width="0.635" layer="1"/>
-<wire x1="38.1" y1="43.18" x2="34.29" y2="39.37" width="0.635" layer="1"/>
-<contactref element="R38" pad="1"/>
-<wire x1="44.45" y1="35.56" x2="44.45" y2="33.02" width="0.635" layer="1"/>
-<wire x1="40.64" y1="39.37" x2="44.45" y2="35.56" width="0.635" layer="16"/>
-<wire x1="40.64" y1="40.64" x2="40.64" y2="39.37" width="0.635" layer="16"/>
-<wire x1="44.45" y1="33.02" x2="44.298" y2="33.02" width="0.635" layer="1"/>
-<via x="44.45" y="35.56" extent="1-16" drill="0.6096"/>
-</signal>
 <signal name="N$24">
 <contactref element="ERR_INV" pad="3"/>
 <contactref element="INV_SW" pad="2"/>
@@ -1451,7 +1426,7 @@ design rules under a new name.</description>
 <contactref element="C20" pad="2"/>
 <contactref element="C21" pad="2"/>
 <contactref element="C15" pad="2"/>
-<contactref element="INPUT" pad="SHIELD1"/>
+<contactref element="INPUT/CH1" pad="SHIELD1"/>
 <contactref element="SWEEP/CH3" pad="SHIELD1"/>
 <contactref element="R27" pad="1"/>
 <contactref element="R28" pad="1"/>
@@ -1464,7 +1439,7 @@ design rules under a new name.</description>
 <contactref element="R30" pad="1"/>
 <contactref element="C16" pad="2"/>
 <contactref element="R31" pad="1"/>
-<contactref element="INPUT" pad="SHIELD2"/>
+<contactref element="INPUT/CH1" pad="SHIELD2"/>
 <contactref element="ERROR/CH2" pad="SHIELD2"/>
 <contactref element="SWEEP/CH3" pad="SHIELD2"/>
 <contactref element="OUTPUT" pad="SHIELD2"/>
@@ -1528,19 +1503,19 @@ design rules under a new name.</description>
 <wire x1="11.43" y1="35.56" x2="11.582" y2="35.56" width="0.635" layer="1"/>
 <via x="7.62" y="33.02" extent="1-16" drill="0.6096"/>
 </signal>
-<signal name="N$3">
-<contactref element="IN" pad="TP"/>
-<contactref element="INPUT" pad="CONDUCTOR"/>
+<signal name="CH1_BNC">
+<contactref element="INPUT/CH1" pad="CONDUCTOR"/>
 <contactref element="R42" pad="1"/>
 <contactref element="R43" pad="2"/>
 <wire x1="8.89" y1="16.51" x2="5.08" y2="16.51" width="0.635" layer="1"/>
-<wire x1="10.16" y1="17.78" x2="8.89" y2="16.51" width="0.635" layer="1"/>
 <wire x1="5.08" y1="16.51" x2="3.81" y2="16.51" width="0.635" layer="1"/>
 <wire x1="5.08" y1="16.51" x2="5.08" y2="16.358" width="0.635" layer="1"/>
 <wire x1="8.89" y1="16.51" x2="12.7" y2="12.7" width="0.635" layer="1"/>
 <wire x1="2.54" y1="17.78" x2="2.54" y2="31.598" width="0.635" layer="1"/>
 <wire x1="3.81" y1="16.51" x2="2.54" y2="17.78" width="0.635" layer="1"/>
 <wire x1="2.54" y1="31.75" x2="2.54" y2="31.598" width="0.635" layer="1"/>
+<contactref element="IN" pad="TP"/>
+<wire x1="8.89" y1="16.51" x2="10.16" y2="17.78" width="0.635" layer="1"/>
 </signal>
 <signal name="N$4">
 <contactref element="R5" pad="2"/>
@@ -1693,27 +1668,6 @@ design rules under a new name.</description>
 <wire x1="46.99" y1="66.04" x2="43.18" y2="69.85" width="0.635" layer="1"/>
 <wire x1="41.91" y1="77.47" x2="42.062" y2="77.47" width="0.635" layer="1"/>
 </signal>
-<signal name="N$36">
-<contactref element="R15" pad="1"/>
-<contactref element="INV_SW" pad="1"/>
-<contactref element="R3" pad="2"/>
-<contactref element="V_ERROR" pad="6"/>
-<contactref element="V_ERR" pad="TP"/>
-<wire x1="29.21" y1="29.21" x2="29.21" y2="26.67" width="0.635" layer="1"/>
-<wire x1="30.48" y1="30.48" x2="29.21" y2="29.21" width="0.635" layer="1"/>
-<wire x1="29.21" y1="26.67" x2="29.362" y2="26.67" width="0.635" layer="1"/>
-<wire x1="30.48" y1="30.48" x2="34.29" y2="30.48" width="0.635" layer="1"/>
-<wire x1="30.48" y1="30.48" x2="30.48" y2="30.328" width="0.635" layer="1"/>
-<wire x1="40.64" y1="20.32" x2="36.83" y2="20.32" width="0.635" layer="1"/>
-<wire x1="36.83" y1="20.32" x2="33.1724" y2="20.32" width="0.635" layer="1"/>
-<wire x1="33.02" y1="20.32" x2="33.1724" y2="20.32" width="0.635" layer="1"/>
-<wire x1="36.83" y1="19.05" x2="36.83" y2="20.32" width="0.635" layer="1"/>
-<wire x1="34.29" y1="27.94" x2="34.29" y2="30.48" width="0.635" layer="1"/>
-<wire x1="36.83" y1="25.4" x2="34.29" y2="27.94" width="0.635" layer="1"/>
-<wire x1="36.83" y1="20.32" x2="36.83" y2="25.4" width="0.635" layer="1"/>
-<contactref element="R5" pad="1"/>
-<wire x1="40.64" y1="20.32" x2="40.64" y2="20.472" width="0.635" layer="1"/>
-</signal>
 <signal name="CH2_IN">
 <contactref element="R14" pad="1"/>
 <contactref element="R37" pad="1"/>
@@ -1770,13 +1724,11 @@ design rules under a new name.</description>
 </signal>
 <signal name="CH1_IN">
 <contactref element="R39" pad="1"/>
-<contactref element="CH1/DITHER_IN" pad="1"/>
 <wire x1="73.66" y1="63.5" x2="77.47" y2="63.5" width="0.635" layer="1"/>
 <wire x1="77.47" y1="63.5" x2="78.588" y2="63.5" width="0.635" layer="1"/>
 <wire x1="72.39" y1="64.77" x2="73.66" y2="63.5" width="0.635" layer="1"/>
 <wire x1="67.31" y1="64.77" x2="72.39" y2="64.77" width="0.635" layer="1"/>
 <wire x1="66.04" y1="63.5" x2="67.31" y2="64.77" width="0.635" layer="1"/>
-<wire x1="66.04" y1="62.23" x2="66.04" y2="63.5" width="0.635" layer="1"/>
 <wire x1="78.74" y1="63.5" x2="78.588" y2="63.5" width="0.635" layer="1"/>
 <contactref element="R43" pad="1"/>
 <contactref element="CH1_IN" pad="TP"/>
@@ -1795,7 +1747,6 @@ design rules under a new name.</description>
 <wire x1="43.18" y1="66.04" x2="35.56" y2="58.42" width="0.635" layer="1"/>
 <wire x1="44.45" y1="66.04" x2="43.18" y2="66.04" width="0.635" layer="1"/>
 <wire x1="62.23" y1="66.04" x2="44.45" y2="66.04" width="0.635" layer="16"/>
-<wire x1="66.04" y1="62.23" x2="62.23" y2="66.04" width="0.635" layer="16"/>
 <via x="6.35" y="39.37" extent="1-16" drill="0.6096"/>
 <via x="27.94" y="54.61" extent="1-16" drill="0.6096"/>
 <via x="44.45" y="66.04" extent="1-16" drill="0.6096"/>
@@ -1803,6 +1754,11 @@ design rules under a new name.</description>
 <wire x1="6.35" y1="36.83" x2="3.81" y2="34.29" width="0.635" layer="1"/>
 <wire x1="6.35" y1="39.37" x2="6.35" y2="36.83" width="0.635" layer="1"/>
 <wire x1="2.54" y1="34.29" x2="2.54" y2="34.442" width="0.635" layer="1"/>
+<contactref element="CH1/DITHER_IN" pad="1"/>
+<wire x1="63.5" y1="66.04" x2="66.04" y2="63.5" width="0.635" layer="1"/>
+<wire x1="62.23" y1="66.04" x2="63.5" y2="66.04" width="0.635" layer="1"/>
+<wire x1="66.04" y1="63.5" x2="66.04" y2="62.23" width="0.635" layer="1"/>
+<via x="62.23" y="66.04" extent="1-16" drill="0.6096"/>
 </signal>
 <signal name="N$31">
 <contactref element="R21" pad="2"/>
@@ -1836,15 +1792,15 @@ design rules under a new name.</description>
 <wire x1="86.36" y1="35.56" x2="80.01" y2="29.21" width="0.635" layer="1"/>
 <wire x1="86.36" y1="35.56" x2="86.36" y2="35.408" width="0.635" layer="1"/>
 </signal>
-<signal name="N$32">
-<contactref element="BUFFER" pad="3"/>
+<signal name="PI_IN">
 <contactref element="R42" pad="2"/>
-<wire x1="5.08" y1="24.13" x2="6.1976" y2="24.13" width="0.635" layer="1"/>
 <wire x1="3.81" y1="22.86" x2="5.08" y2="24.13" width="0.635" layer="1"/>
 <wire x1="3.81" y1="20.32" x2="3.81" y2="22.86" width="0.635" layer="1"/>
 <wire x1="5.08" y1="19.05" x2="3.81" y2="20.32" width="0.635" layer="1"/>
-<wire x1="6.35" y1="24.13" x2="6.1976" y2="24.13" width="0.635" layer="1"/>
 <wire x1="5.08" y1="19.05" x2="5.08" y2="19.202" width="0.635" layer="1"/>
+<contactref element="BUFFER" pad="3"/>
+<wire x1="5.08" y1="24.13" x2="6.1976" y2="24.13" width="0.635" layer="1"/>
+<wire x1="6.35" y1="24.13" x2="6.1976" y2="24.13" width="0.635" layer="1"/>
 </signal>
 <signal name="N$37">
 <contactref element="BUFFER" pad="2"/>
@@ -1862,6 +1818,52 @@ design rules under a new name.</description>
 <wire x1="5.08" y1="29.21" x2="5.08" y2="33.02" width="0.635" layer="1"/>
 <wire x1="8.89" y1="35.56" x2="8.738" y2="35.56" width="0.635" layer="1"/>
 </signal>
+<signal name="CH2_INV_IN">
+<contactref element="R15" pad="1"/>
+<contactref element="INV_SW" pad="1"/>
+<contactref element="R5" pad="1"/>
+<contactref element="R3" pad="2"/>
+<contactref element="V_ERROR" pad="6"/>
+<wire x1="29.21" y1="29.21" x2="29.21" y2="26.67" width="0.635" layer="1"/>
+<wire x1="30.48" y1="30.48" x2="29.21" y2="29.21" width="0.635" layer="1"/>
+<wire x1="29.21" y1="26.67" x2="29.362" y2="26.67" width="0.635" layer="1"/>
+<wire x1="40.64" y1="20.32" x2="36.83" y2="20.32" width="0.635" layer="1"/>
+<wire x1="36.83" y1="20.32" x2="33.1724" y2="20.32" width="0.635" layer="1"/>
+<wire x1="33.02" y1="20.32" x2="33.1724" y2="20.32" width="0.635" layer="1"/>
+<wire x1="36.83" y1="25.4" x2="34.29" y2="27.94" width="0.635" layer="1"/>
+<wire x1="36.83" y1="20.32" x2="36.83" y2="25.4" width="0.635" layer="1"/>
+<wire x1="34.29" y1="30.48" x2="30.48" y2="30.48" width="0.635" layer="1"/>
+<wire x1="30.48" y1="30.48" x2="30.48" y2="30.328" width="0.635" layer="1"/>
+<wire x1="40.64" y1="20.32" x2="40.64" y2="20.472" width="0.635" layer="1"/>
+<wire x1="34.29" y1="27.94" x2="34.29" y2="30.48" width="0.635" layer="1"/>
+<contactref element="V_ERR" pad="TP"/>
+<wire x1="36.83" y1="20.32" x2="36.83" y2="19.05" width="0.635" layer="1"/>
+</signal>
+<signal name="CH2_INV_OUT">
+<contactref element="R16" pad="2"/>
+<contactref element="ERR_INV" pad="6"/>
+<contactref element="E_INV" pad="TP"/>
+<contactref element="R38" pad="1"/>
+<wire x1="33.02" y1="43.18" x2="33.02" y2="42.0624" width="0.635" layer="1"/>
+<wire x1="35.56" y1="45.72" x2="33.02" y2="43.18" width="0.635" layer="1"/>
+<contactref element="R4" pad="1"/>
+<contactref element="P_GAIN" pad="3"/>
+<wire x1="26.67" y1="44.45" x2="26.67" y2="39.37" width="0.635" layer="1"/>
+<wire x1="25.4" y1="45.72" x2="26.67" y2="44.45" width="0.635" layer="1"/>
+<wire x1="25.4" y1="45.72" x2="25.4" y2="45.568" width="0.635" layer="1"/>
+<wire x1="38.1" y1="43.18" x2="40.64" y2="40.64" width="0.635" layer="1"/>
+<wire x1="34.29" y1="39.37" x2="33.02" y2="39.37" width="0.635" layer="1"/>
+<wire x1="33.02" y1="39.37" x2="26.67" y2="39.37" width="0.635" layer="1"/>
+<wire x1="38.1" y1="43.18" x2="34.29" y2="39.37" width="0.635" layer="1"/>
+<wire x1="44.45" y1="35.56" x2="44.45" y2="33.02" width="0.635" layer="1"/>
+<wire x1="40.64" y1="39.37" x2="44.45" y2="35.56" width="0.635" layer="16"/>
+<wire x1="40.64" y1="40.64" x2="40.64" y2="39.37" width="0.635" layer="16"/>
+<via x="44.45" y="35.56" extent="1-16" drill="0.6096"/>
+<wire x1="44.45" y1="33.02" x2="44.298" y2="33.02" width="0.635" layer="1"/>
+<wire x1="26.67" y1="38.252" x2="26.67" y2="39.37" width="0.635" layer="1"/>
+<wire x1="26.67" y1="38.1" x2="26.67" y2="38.252" width="0.635" layer="1"/>
+<wire x1="33.02" y1="39.37" x2="33.02" y2="42.0624" width="0.635" layer="1"/>
+</signal>
 </signals>
 </board>
 </drawing>
diff --git a/PID_servo/PID_servo.pro b/PID_servo/PID_servo.pro
index 0349f41..6c6c628 100644
--- a/PID_servo/PID_servo.pro
+++ b/PID_servo/PID_servo.pro
@@ -2,12 +2,12 @@ EAGLE AutoRouter Statistics:
 
 Job           : /home/evmik/eagle/PID_servo/PID_servo.brd
 
-Start at      : 21:48:37 (6/19/14)
-End at        : 21:48:37 (6/19/14)
+Start at      : 13:55:17 (6/20/14)
+End at        : 13:55:17 (6/20/14)
 Elapsed time  : 00:00:00
 
 Signals       :    52   RoutingGrid: 50 mil  Layers: 2
-Connections   :   221   predefined:  220 ( 38 Vias )
+Connections   :   221   predefined:  221 ( 40 Vias )
 
 Router memory :   35244
 
@@ -18,8 +18,8 @@ Number of Ripups  :         0         0         0         0         0
 max. Level        :         0         0         0         0         0
 max. Total        :         0         0         0         0         0
 
-Routed            :         1         1         1         1         1
-Vias              :         2         1         1         1         1
+Routed            :         0         0         0         0         0
+Vias              :         0         0         0         0         0
 Resolution        :   100.0 %   100.0 %   100.0 %   100.0 %   100.0 %
 
 Final             : 100.0% finished
diff --git a/PID_servo/PID_servo.sch b/PID_servo/PID_servo.sch
index f23b5af..5937d33 100644
--- a/PID_servo/PID_servo.sch
+++ b/PID_servo/PID_servo.sch
@@ -936,7 +936,7 @@ part #640456-3</description>
 </class>
 </classes>
 <parts>
-<part name="INPUT" library="evmik_bnc_sma_connectors" deviceset="CONN-BNC" device="TYPE3HORIZ"/>
+<part name="INPUT/CH1" library="evmik_bnc_sma_connectors" deviceset="CONN-BNC" device="TYPE3HORIZ"/>
 <part name="ERROR/CH2" library="evmik_bnc_sma_connectors" deviceset="CONN-BNC" device="TYPE3HORIZ"/>
 <part name="BUFFER" library="evmik_opamp" deviceset="OPAMP_GENERIC_SIMPLE" device="SOIC8" value="OPA27"/>
 <part name="V_ERROR" library="evmik_opamp" deviceset="OPAMP_GENERIC_SIMPLE" device="SOIC8" value="OPA27"/>
@@ -948,8 +948,8 @@ part #640456-3</description>
 <part name="R3" library="evmik_rcl" deviceset="R1206" device="" value="100k"/>
 <part name="R2" library="evmik_rcl" deviceset="R1206" device="" value="100k"/>
 <part name="V_SET" library="evmik_trimmers" deviceset="OFFBOARD_3PIN" device="" value="10k"/>
-<part name="R24" library="evmik_rcl" deviceset="R1206" device=""/>
-<part name="R25" library="evmik_rcl" deviceset="R1206" device=""/>
+<part name="R24" library="evmik_rcl" deviceset="R1206" device="" value="1k"/>
+<part name="R25" library="evmik_rcl" deviceset="R1206" device="" value="1k"/>
 <part name="P+1" library="evmik_supply" deviceset="V+" device=""/>
 <part name="P-1" library="evmik_supply" deviceset="V-" device=""/>
 <part name="R5" library="evmik_rcl" deviceset="R1206" device="" value="10k"/>
@@ -966,16 +966,16 @@ part #640456-3</description>
 <part name="SUPPLY3" library="evmik_supply" deviceset="GND" device=""/>
 <part name="SUPPLY4" library="evmik_supply" deviceset="GND" device=""/>
 <part name="SUPPLY1" library="evmik_supply" deviceset="GND" device=""/>
-<part name="C5" library="evmik_rcl" deviceset="C0805" device=""/>
-<part name="R7" library="evmik_rcl" deviceset="R1206" device=""/>
+<part name="C5" library="evmik_rcl" deviceset="C0805" device="" value="27n"/>
+<part name="R7" library="evmik_rcl" deviceset="R1206" device="" value="470k"/>
 <part name="P_GAIN" library="evmik_trimmers" deviceset="BOURNS-3386F" device="" value="10k"/>
 <part name="I_GAIN" library="evmik_trimmers" deviceset="BOURNS-3386F" device="" value="10k"/>
 <part name="SUPPLY5" library="evmik_supply" deviceset="GND" device=""/>
 <part name="SUPPLY7" library="evmik_supply" deviceset="GND" device=""/>
 <part name="P+6" library="evmik_supply" deviceset="V+" device=""/>
 <part name="P-6" library="evmik_supply" deviceset="V-" device=""/>
-<part name="R8" library="evmik_rcl" deviceset="R1206" device=""/>
-<part name="C9" library="evmik_rcl" deviceset="C0805" device=""/>
+<part name="R8" library="evmik_rcl" deviceset="R1206" device="" value="10k"/>
+<part name="C9" library="evmik_rcl" deviceset="C0805" device="" value=".68u"/>
 <part name="BOOST_SW" library="evmik_switches" deviceset="OFF_BOARD" device=""/>
 <part name="R10" library="evmik_rcl" deviceset="R1206" device="" value="10k"/>
 <part name="R11" library="evmik_rcl" deviceset="R1206" device="" value="10k"/>
@@ -1007,8 +1007,8 @@ part #640456-3</description>
 <part name="CH3_GAIN" library="evmik_trimmers" deviceset="OFFBOARD_3PIN" device="" value="10k"/>
 <part name="R15" library="evmik_rcl" deviceset="R1206" device="" value="10k"/>
 <part name="R16" library="evmik_rcl" deviceset="R1206" device="" value="10k"/>
-<part name="R20" library="evmik_rcl" deviceset="R1206" device="" value="0"/>
-<part name="R19" library="evmik_rcl" deviceset="R1206" device="" value="0"/>
+<part name="R20" library="evmik_rcl" deviceset="R1206" device="" value="1k"/>
+<part name="R19" library="evmik_rcl" deviceset="R1206" device="" value="1k"/>
 <part name="OFFSET" library="evmik_trimmers" deviceset="OFFBOARD_3PIN" device="" value="10k"/>
 <part name="P+13" library="evmik_supply" deviceset="V+" device=""/>
 <part name="SUPPLY9" library="evmik_supply" deviceset="GND" device=""/>
@@ -1025,7 +1025,7 @@ part #640456-3</description>
 <part name="SUPPLY13" library="evmik_supply" deviceset="GND" device=""/>
 <part name="SUPPLY14" library="evmik_supply" deviceset="GND" device=""/>
 <part name="SUPPLY15" library="evmik_supply" deviceset="GND" device=""/>
-<part name="C19" library="evmik_rcl" deviceset="C0805" device=""/>
+<part name="C19" library="evmik_rcl" deviceset="C0805" device="" value="100n"/>
 <part name="C25" library="evmik_rcl" deviceset="C0805" device="" value="100n"/>
 <part name="C26" library="evmik_rcl" deviceset="C0805" device="" value="100n"/>
 <part name="C+" library="evmik_rcl" deviceset="CPOL1206" device="" value="6.8u"/>
@@ -1087,14 +1087,14 @@ part #640456-3</description>
 <part name="SUPPLY35" library="evmik_supply" deviceset="GND" device=""/>
 <part name="FEEDBACK" library="evmik_switches" deviceset="OFF_BOARD" device=""/>
 <part name="R26" library="evmik_rcl" deviceset="R1206" device="" value="100k"/>
-<part name="R27" library="evmik_rcl" deviceset="R1206" device=""/>
-<part name="R28" library="evmik_rcl" deviceset="R1206" device=""/>
+<part name="R27" library="evmik_rcl" deviceset="R1206" device="" value="10k"/>
+<part name="R28" library="evmik_rcl" deviceset="R1206" device="" value="10k"/>
 <part name="R29" library="evmik_rcl" deviceset="R1206" device="" value="10k"/>
 <part name="R30" library="evmik_rcl" deviceset="R1206" device="" value="1k"/>
 <part name="R32" library="evmik_rcl" deviceset="R1206" device="" value="10k"/>
 <part name="R33" library="evmik_rcl" deviceset="R1206" device="" value="1k"/>
 <part name="R34" library="evmik_rcl" deviceset="R1206" device="" value="100k"/>
-<part name="R4" library="evmik_rcl" deviceset="R1206" device=""/>
+<part name="R4" library="evmik_rcl" deviceset="R1206" device="" value="10k"/>
 <part name="SUPPLY17" library="evmik_supply" deviceset="GND" device=""/>
 <part name="SUPPLY37" library="evmik_supply" deviceset="GND" device=""/>
 <part name="SUPPLY38" library="evmik_supply" deviceset="GND" device=""/>
@@ -1106,8 +1106,8 @@ part #640456-3</description>
 <part name="SUPPLY39" library="evmik_supply" deviceset="GND" device=""/>
 <part name="PWR1" library="evmik_connectors_3pin" deviceset="3PIN_PWR" device=""/>
 <part name="PWR2" library="evmik_connectors_3pin" deviceset="3PIN_PWR" device=""/>
-<part name="R35" library="evmik_rcl" deviceset="R1206" device=""/>
-<part name="R36" library="evmik_rcl" deviceset="R1206" device=""/>
+<part name="R35" library="evmik_rcl" deviceset="R1206" device="" value="inf"/>
+<part name="R36" library="evmik_rcl" deviceset="R1206" device="" value="inf"/>
 <part name="R37" library="evmik_rcl" deviceset="R1206" device="" value="0"/>
 <part name="R38" library="evmik_rcl" deviceset="R1206" device="" value="inf"/>
 <part name="CH1_AMP" library="evmik_opamp" deviceset="OPAMP_GENERIC_SIMPLE" device="SOIC8" value="OPA27"/>
@@ -1140,21 +1140,36 @@ part #640456-3</description>
 of the proportional part  1
 R6 should also follow the rule of 10
 with the 10k pot for the proportional gain</text>
-<text x="-109.22" y="162.56" size="10.16" layer="97">PI Servo
-Designed by Owen Wolfe and Eugeniy E. Mikhailov</text>
-<rectangle x1="-38.1" y1="-396.24" x2="236.22" y2="-101.6" layer="98"/>
-<text x="83.82" y="-121.92" size="7.62" layer="97">Summing amplifier with offset</text>
-<rectangle x1="-109.22" y1="-33.02" x2="342.9" y2="121.92" layer="98"/>
-<rectangle x1="243.84" y1="144.78" x2="337.82" y2="200.66" layer="98"/>
-<text x="251.46" y="187.96" size="7.62" layer="97">Power hookup</text>
+<text x="-109.22" y="162.56" size="10.16" layer="97">Designed by Owen Wolfe and Eugeniy E. Mikhailov</text>
+<text x="177.8" y="-88.9" size="7.62" layer="97">Summing amplifier with offset</text>
+<rectangle x1="-101.6" y1="-358.14" x2="-7.62" y2="-302.26" layer="98"/>
+<text x="-93.98" y="-314.96" size="7.62" layer="97">Power hookup</text>
 <text x="-101.6" y="106.68" size="7.62" layer="97">PI part</text>
 <text x="-109.22" y="137.16" size="10.16" layer="97">June 2014 v1.0</text>
-<text x="83.82" y="-139.7" size="5.08" layer="97">Install jumpers R35 and R35
+<text x="177.8" y="-106.68" size="5.08" layer="97">Install jumpers R35 and R35
 to make 3 channels preamp</text>
+<text x="-15.24" y="-177.8" size="5.08" layer="97">Channel 2 inverter</text>
+<text x="-109.22" y="185.42" size="12.7" layer="97">PI Servo and/or 3 channel preamp with offset</text>
+<polygon width="0.1524" layer="98">
+<vertex x="-101.6" y="-157.48"/>
+<vertex x="40.64" y="-157.48"/>
+<vertex x="40.64" y="-68.58"/>
+<vertex x="320.04" y="-68.58"/>
+<vertex x="320.04" y="-375.92"/>
+<vertex x="10.16" y="-375.92"/>
+<vertex x="10.16" y="-274.32"/>
+<vertex x="-101.6" y="-274.32"/>
+</polygon>
+<polygon width="0.1524" layer="98">
+<vertex x="-30.48" y="-83.82"/>
+<vertex x="33.02" y="-83.82"/>
+<vertex x="33.02" y="-132.08"/>
+<vertex x="-30.48" y="-132.08"/>
+</polygon>
 </plain>
 <instances>
-<instance part="INPUT" gate="." x="-83.82" y="66.04" rot="MR0"/>
-<instance part="ERROR/CH2" gate="." x="60.96" y="5.08"/>
+<instance part="INPUT/CH1" gate="." x="66.04" y="-124.46" rot="MR0"/>
+<instance part="ERROR/CH2" gate="." x="-78.74" y="-210.82" rot="MR0"/>
 <instance part="BUFFER" gate="G$1" x="-45.72" y="68.58"/>
 <instance part="V_ERROR" gate="G$1" x="22.86" y="68.58"/>
 <instance part="INT" gate="G$1" x="170.18" y="63.5"/>
@@ -1167,13 +1182,13 @@ to make 3 channels preamp</text>
 <instance part="V_SET" gate="G$1" x="-33.02" y="15.24"/>
 <instance part="R24" gate="G$1" x="-33.02" y="30.48" rot="R90"/>
 <instance part="R25" gate="G$1" x="-33.02" y="0" rot="R90"/>
-<instance part="P+1" gate="1" x="287.02" y="185.42"/>
-<instance part="P-1" gate="1" x="276.86" y="152.4"/>
-<instance part="R5" gate="G$1" x="45.72" y="38.1" rot="R270"/>
+<instance part="P+1" gate="1" x="-58.42" y="-317.5"/>
+<instance part="P-1" gate="1" x="-68.58" y="-350.52"/>
+<instance part="R5" gate="G$1" x="-53.34" y="-210.82" rot="R180"/>
 <instance part="C1" gate="G$1" x="-20.32" y="10.16" rot="R90"/>
 <instance part="P+2" gate="1" x="-33.02" y="40.64"/>
-<instance part="P-2" gate="1" x="-33.02" y="-15.24" smashed="yes">
-<attribute name="VALUE" x="-38.1" y="-15.24" size="1.778" layer="96" rot="R270"/>
+<instance part="P-2" gate="1" x="-33.02" y="-12.7" smashed="yes">
+<attribute name="VALUE" x="-38.1" y="-12.7" size="1.778" layer="96" rot="R270"/>
 </instance>
 <instance part="P-3" gate="1" x="-48.26" y="48.26"/>
 <instance part="P-4" gate="1" x="167.64" y="48.26"/>
@@ -1183,13 +1198,13 @@ to make 3 channels preamp</text>
 <instance part="P-5" gate="1" x="20.32" y="48.26"/>
 <instance part="SUPPLY2" gate="1" x="-20.32" y="0"/>
 <instance part="SUPPLY3" gate="1" x="160.02" y="45.72"/>
-<instance part="SUPPLY4" gate="1" x="60.96" y="-5.08"/>
-<instance part="SUPPLY1" gate="1" x="284.48" y="165.1"/>
+<instance part="SUPPLY4" gate="1" x="-78.74" y="-231.14"/>
+<instance part="SUPPLY1" gate="1" x="-60.96" y="-337.82"/>
 <instance part="C5" gate="G$1" x="172.72" y="101.6"/>
 <instance part="R7" gate="G$1" x="172.72" y="111.76"/>
-<instance part="P_GAIN" gate="G$1" x="137.16" y="10.16"/>
+<instance part="P_GAIN" gate="G$1" x="160.02" y="10.16"/>
 <instance part="I_GAIN" gate="G$1" x="187.96" y="33.02"/>
-<instance part="SUPPLY5" gate="1" x="137.16" y="0"/>
+<instance part="SUPPLY5" gate="1" x="160.02" y="-2.54"/>
 <instance part="SUPPLY7" gate="1" x="208.28" y="45.72"/>
 <instance part="P+6" gate="1" x="220.98" y="78.74"/>
 <instance part="P-6" gate="1" x="220.98" y="45.72"/>
@@ -1207,49 +1222,49 @@ to make 3 channels preamp</text>
 <instance part="R9" gate="G$1" x="203.2" y="33.02" rot="R180"/>
 <instance part="R6" gate="G$1" x="254" y="10.16" rot="R180"/>
 <instance part="R13" gate="G$1" x="289.56" y="40.64"/>
-<instance part="CH2_AMP" gate="G$1" x="58.42" y="-248.92"/>
-<instance part="ERR_INV" gate="G$1" x="106.68" y="66.04"/>
-<instance part="CH3_AMP" gate="G$1" x="38.1" y="-320.04"/>
-<instance part="OUT_ADD" gate="G$1" x="132.08" y="-309.88"/>
-<instance part="P+9" gate="1" x="55.88" y="-223.52"/>
-<instance part="P+10" gate="1" x="35.56" y="-299.72"/>
-<instance part="P+11" gate="1" x="104.14" y="81.28"/>
-<instance part="P+12" gate="1" x="129.54" y="-292.1"/>
-<instance part="P-9" gate="1" x="55.88" y="-266.7"/>
-<instance part="P-10" gate="1" x="104.14" y="53.34"/>
-<instance part="P-11" gate="1" x="129.54" y="-325.12"/>
-<instance part="P-12" gate="1" x="35.56" y="-335.28"/>
-<instance part="P-13" gate="1" x="76.2" y="-388.62"/>
-<instance part="R14" gate="G$1" x="40.64" y="-246.38"/>
-<instance part="CH2_GAIN" gate="G$1" x="58.42" y="-210.82" rot="R270"/>
-<instance part="INV_SW" gate="G$1" x="86.36" y="58.42"/>
-<instance part="CH3_GAIN" gate="G$1" x="38.1" y="-292.1" rot="R270"/>
-<instance part="R15" gate="G$1" x="88.9" y="68.58"/>
-<instance part="R16" gate="G$1" x="104.14" y="88.9"/>
-<instance part="R20" gate="G$1" x="76.2" y="-378.46" rot="R90"/>
-<instance part="R19" gate="G$1" x="76.2" y="-353.06" rot="R90"/>
-<instance part="OFFSET" gate="G$1" x="76.2" y="-365.76"/>
-<instance part="P+13" gate="1" x="76.2" y="-335.28" rot="MR0"/>
-<instance part="SUPPLY9" gate="1" x="81.28" y="22.86"/>
-<instance part="SUPPLY10" gate="1" x="25.4" y="-340.36"/>
+<instance part="CH2_AMP" gate="G$1" x="152.4" y="-215.9"/>
+<instance part="ERR_INV" gate="G$1" x="10.16" y="-213.36"/>
+<instance part="CH3_AMP" gate="G$1" x="132.08" y="-287.02"/>
+<instance part="OUT_ADD" gate="G$1" x="226.06" y="-276.86"/>
+<instance part="P+9" gate="1" x="149.86" y="-190.5"/>
+<instance part="P+10" gate="1" x="129.54" y="-266.7"/>
+<instance part="P+11" gate="1" x="7.62" y="-198.12"/>
+<instance part="P+12" gate="1" x="223.52" y="-259.08"/>
+<instance part="P-9" gate="1" x="149.86" y="-233.68"/>
+<instance part="P-10" gate="1" x="7.62" y="-226.06"/>
+<instance part="P-11" gate="1" x="223.52" y="-292.1"/>
+<instance part="P-12" gate="1" x="129.54" y="-302.26"/>
+<instance part="P-13" gate="1" x="170.18" y="-355.6"/>
+<instance part="R14" gate="G$1" x="134.62" y="-213.36"/>
+<instance part="CH2_GAIN" gate="G$1" x="152.4" y="-177.8" rot="R270"/>
+<instance part="INV_SW" gate="G$1" x="-10.16" y="-220.98"/>
+<instance part="CH3_GAIN" gate="G$1" x="132.08" y="-259.08" rot="R270"/>
+<instance part="R15" gate="G$1" x="-7.62" y="-210.82"/>
+<instance part="R16" gate="G$1" x="7.62" y="-190.5"/>
+<instance part="R20" gate="G$1" x="170.18" y="-345.44" rot="R90"/>
+<instance part="R19" gate="G$1" x="170.18" y="-320.04" rot="R90"/>
+<instance part="OFFSET" gate="G$1" x="170.18" y="-332.74"/>
+<instance part="P+13" gate="1" x="170.18" y="-302.26" rot="MR0"/>
+<instance part="SUPPLY9" gate="1" x="-15.24" y="-256.54"/>
+<instance part="SUPPLY10" gate="1" x="119.38" y="-307.34"/>
 <instance part="SUPPLY11" gate="1" x="297.18" y="0"/>
-<instance part="R23" gate="G$1" x="15.24" y="-317.5"/>
-<instance part="R17" gate="G$1" x="88.9" y="-248.92"/>
-<instance part="R21" gate="G$1" x="101.6" y="-365.76"/>
-<instance part="R18" gate="G$1" x="78.74" y="-320.04"/>
-<instance part="SWEEP/CH3" gate="." x="-2.54" y="-317.5" rot="MR0"/>
-<instance part="OUTPUT" gate="." x="172.72" y="-304.8"/>
-<instance part="R22" gate="G$1" x="129.54" y="-279.4"/>
-<instance part="SUPPLY12" gate="1" x="-2.54" y="-327.66"/>
-<instance part="SUPPLY13" gate="1" x="172.72" y="-314.96"/>
-<instance part="SUPPLY14" gate="1" x="124.46" y="-332.74"/>
-<instance part="SUPPLY15" gate="1" x="91.44" y="-381"/>
-<instance part="C19" gate="G$1" x="91.44" y="-373.38" rot="R90"/>
-<instance part="C25" gate="G$1" x="297.18" y="175.26" rot="R90"/>
-<instance part="C26" gate="G$1" x="297.18" y="162.56" rot="R90"/>
-<instance part="C+" gate="G$1" x="276.86" y="175.26" rot="R90"/>
-<instance part="C-" gate="G$1" x="276.86" y="165.1" rot="R90"/>
-<instance part="SUPPLY16" gate="1" x="-83.82" y="55.88" rot="MR0"/>
+<instance part="R23" gate="G$1" x="109.22" y="-284.48"/>
+<instance part="R17" gate="G$1" x="182.88" y="-215.9"/>
+<instance part="R21" gate="G$1" x="195.58" y="-332.74"/>
+<instance part="R18" gate="G$1" x="172.72" y="-287.02"/>
+<instance part="SWEEP/CH3" gate="." x="91.44" y="-284.48" rot="MR0"/>
+<instance part="OUTPUT" gate="." x="266.7" y="-271.78"/>
+<instance part="R22" gate="G$1" x="223.52" y="-246.38"/>
+<instance part="SUPPLY12" gate="1" x="91.44" y="-294.64"/>
+<instance part="SUPPLY13" gate="1" x="266.7" y="-281.94"/>
+<instance part="SUPPLY14" gate="1" x="218.44" y="-299.72"/>
+<instance part="SUPPLY15" gate="1" x="185.42" y="-347.98"/>
+<instance part="C19" gate="G$1" x="185.42" y="-340.36" rot="R90"/>
+<instance part="C25" gate="G$1" x="-48.26" y="-327.66" rot="R90"/>
+<instance part="C26" gate="G$1" x="-48.26" y="-340.36" rot="R90"/>
+<instance part="C+" gate="G$1" x="-68.58" y="-327.66" rot="R90"/>
+<instance part="C-" gate="G$1" x="-68.58" y="-337.82" rot="R90"/>
+<instance part="SUPPLY16" gate="1" x="66.04" y="-139.7" rot="MR0"/>
 <instance part="C0" gate="G$1" x="-43.18" y="83.82"/>
 <instance part="C2" gate="G$1" x="-45.72" y="55.88" rot="R180"/>
 <instance part="C4" gate="G$1" x="25.4" y="55.88" rot="R180"/>
@@ -1262,14 +1277,14 @@ to make 3 channels preamp</text>
 <instance part="C12" gate="G$1" x="261.62" y="48.26"/>
 <instance part="C13" gate="G$1" x="292.1" y="30.48"/>
 <instance part="C14" gate="G$1" x="292.1" y="2.54"/>
-<instance part="C20" gate="G$1" x="43.18" y="-304.8"/>
-<instance part="C21" gate="G$1" x="43.18" y="-330.2"/>
-<instance part="C15" gate="G$1" x="60.96" y="-231.14"/>
-<instance part="C16" gate="G$1" x="60.96" y="-261.62"/>
-<instance part="C18" gate="G$1" x="111.76" y="55.88"/>
-<instance part="C17" gate="G$1" x="111.76" y="78.74"/>
-<instance part="C22" gate="G$1" x="134.62" y="-294.64"/>
-<instance part="C23" gate="G$1" x="134.62" y="-320.04"/>
+<instance part="C20" gate="G$1" x="137.16" y="-271.78"/>
+<instance part="C21" gate="G$1" x="137.16" y="-297.18"/>
+<instance part="C15" gate="G$1" x="154.94" y="-198.12"/>
+<instance part="C16" gate="G$1" x="154.94" y="-228.6"/>
+<instance part="C18" gate="G$1" x="15.24" y="-223.52"/>
+<instance part="C17" gate="G$1" x="15.24" y="-200.66"/>
+<instance part="C22" gate="G$1" x="228.6" y="-261.62"/>
+<instance part="C23" gate="G$1" x="228.6" y="-287.02"/>
 <instance part="SUPPLY18" gate="1" x="-38.1" y="81.28"/>
 <instance part="SUPPLY19" gate="1" x="-38.1" y="50.8"/>
 <instance part="SUPPLY20" gate="1" x="30.48" y="50.8"/>
@@ -1279,75 +1294,75 @@ to make 3 channels preamp</text>
 <instance part="SUPPLY24" gate="1" x="231.14" y="45.72"/>
 <instance part="SUPPLY25" gate="1" x="266.7" y="45.72"/>
 <instance part="SUPPLY26" gate="1" x="269.24" y="73.66" rot="R90"/>
-<instance part="SUPPLY27" gate="1" x="119.38" y="78.74" rot="R90"/>
-<instance part="SUPPLY28" gate="1" x="121.92" y="55.88"/>
-<instance part="SUPPLY29" gate="1" x="142.24" y="-294.64"/>
-<instance part="SUPPLY30" gate="1" x="142.24" y="-320.04"/>
+<instance part="SUPPLY27" gate="1" x="22.86" y="-200.66" rot="R90"/>
+<instance part="SUPPLY28" gate="1" x="25.4" y="-223.52"/>
+<instance part="SUPPLY29" gate="1" x="236.22" y="-261.62"/>
+<instance part="SUPPLY30" gate="1" x="236.22" y="-287.02"/>
 <instance part="SUPPLY31" gate="1" x="33.02" y="81.28" rot="R90"/>
-<instance part="SUPPLY32" gate="1" x="50.8" y="-332.74"/>
-<instance part="SUPPLY33" gate="1" x="50.8" y="-307.34"/>
+<instance part="SUPPLY32" gate="1" x="144.78" y="-299.72"/>
+<instance part="SUPPLY33" gate="1" x="144.78" y="-274.32"/>
 <instance part="SUPPLY34" gate="1" x="299.72" y="27.94"/>
-<instance part="IN" gate="G$1" x="-76.2" y="71.12"/>
+<instance part="IN" gate="G$1" x="73.66" y="-111.76"/>
 <instance part="BUFF" gate="G$1" x="-27.94" y="71.12"/>
-<instance part="V+" gate="G$1" x="304.8" y="180.34"/>
-<instance part="GND" gate="G$1" x="304.8" y="170.18"/>
-<instance part="V-" gate="G$1" x="304.8" y="157.48"/>
+<instance part="V+" gate="G$1" x="-40.64" y="-322.58"/>
+<instance part="GND" gate="G$1" x="-40.64" y="-332.74"/>
+<instance part="V-" gate="G$1" x="-40.64" y="-345.44"/>
 <instance part="SET_TP" gate="G$1" x="-22.86" y="20.32"/>
-<instance part="V_ERR" gate="G$1" x="45.72" y="71.12"/>
+<instance part="V_ERR" gate="G$1" x="50.8" y="76.2"/>
 <instance part="V_INT" gate="G$1" x="182.88" y="63.5"/>
 <instance part="BST" gate="G$1" x="233.68" y="60.96"/>
 <instance part="BST_INV" gate="G$1" x="281.94" y="63.5"/>
 <instance part="PI" gate="G$1" x="299.72" y="12.7" rot="R180"/>
-<instance part="CH2_OUT" gate="G$1" x="81.28" y="-246.38"/>
-<instance part="E_INV" gate="G$1" x="129.54" y="66.04" rot="R180"/>
-<instance part="CH3_OUT" gate="G$1" x="63.5" y="-320.04"/>
-<instance part="OUT_TP" gate="G$1" x="154.94" y="-304.8"/>
-<instance part="V_OFF" gate="G$1" x="83.82" y="-365.76"/>
-<instance part="SUPPLY35" gate="1" x="68.58" y="-236.22"/>
-<instance part="FEEDBACK" gate="G$1" x="101.6" y="-317.5" rot="MR180"/>
+<instance part="CH2_OUT" gate="G$1" x="175.26" y="-213.36"/>
+<instance part="E_INV" gate="G$1" x="33.02" y="-213.36" rot="R180"/>
+<instance part="CH3_OUT" gate="G$1" x="157.48" y="-287.02"/>
+<instance part="OUT_TP" gate="G$1" x="248.92" y="-271.78"/>
+<instance part="V_OFF" gate="G$1" x="177.8" y="-332.74"/>
+<instance part="SUPPLY35" gate="1" x="162.56" y="-203.2"/>
+<instance part="FEEDBACK" gate="G$1" x="195.58" y="-284.48" rot="MR180"/>
 <instance part="R26" gate="G$1" x="12.7" y="58.42" rot="R90"/>
 <instance part="R27" gate="G$1" x="160.02" y="55.88" rot="R90"/>
 <instance part="R28" gate="G$1" x="208.28" y="53.34" rot="R90"/>
 <instance part="R29" gate="G$1" x="248.92" y="50.8" rot="R90"/>
-<instance part="R30" gate="G$1" x="43.18" y="-259.08" rot="R90"/>
-<instance part="R32" gate="G$1" x="81.28" y="38.1" rot="R90"/>
-<instance part="R33" gate="G$1" x="25.4" y="-330.2" rot="R90"/>
-<instance part="R34" gate="G$1" x="124.46" y="-320.04" rot="R90"/>
+<instance part="R30" gate="G$1" x="137.16" y="-226.06" rot="R90"/>
+<instance part="R32" gate="G$1" x="-15.24" y="-241.3" rot="R90"/>
+<instance part="R33" gate="G$1" x="119.38" y="-297.18" rot="R90"/>
+<instance part="R34" gate="G$1" x="218.44" y="-287.02" rot="R90"/>
 <instance part="R4" gate="G$1" x="152.4" y="66.04"/>
 <instance part="SUPPLY17" gate="1" x="12.7" y="45.72"/>
-<instance part="SUPPLY37" gate="1" x="43.18" y="-269.24"/>
-<instance part="SUPPLY38" gate="1" x="68.58" y="-269.24"/>
+<instance part="SUPPLY37" gate="1" x="137.16" y="-236.22"/>
+<instance part="SUPPLY38" gate="1" x="162.56" y="-236.22"/>
 <instance part="R31" gate="G$1" x="266.7" y="-2.54" rot="R90"/>
 <instance part="SUPPLY36" gate="1" x="266.7" y="-15.24"/>
 <instance part="SUPPLY6" gate="1" x="187.96" y="22.86"/>
-<instance part="CH3_IN" gate="G$1" x="7.62" y="-312.42"/>
+<instance part="CH3_IN" gate="G$1" x="101.6" y="-279.4"/>
 <instance part="PI_OUT" gate="G$1" x="322.58" y="-5.08" rot="R270"/>
 <instance part="SUPPLY39" gate="1" x="320.04" y="-12.7"/>
-<instance part="PWR1" gate="G$1" x="266.7" y="170.18" rot="R90"/>
-<instance part="PWR2" gate="G$1" x="317.5" y="170.18" rot="MR90"/>
-<instance part="R35" gate="G$1" x="104.14" y="-332.74"/>
-<instance part="R36" gate="G$1" x="104.14" y="-304.8"/>
+<instance part="PWR1" gate="G$1" x="-78.74" y="-332.74" rot="R90"/>
+<instance part="PWR2" gate="G$1" x="-27.94" y="-332.74" rot="MR90"/>
+<instance part="R35" gate="G$1" x="198.12" y="-299.72"/>
+<instance part="R36" gate="G$1" x="198.12" y="-271.78"/>
 <instance part="R37" gate="G$1" x="312.42" y="12.7" rot="R180"/>
-<instance part="R38" gate="G$1" x="116.84" y="-2.54" rot="R270"/>
-<instance part="CH1_AMP" gate="G$1" x="55.88" y="-160.02"/>
-<instance part="P+14" gate="1" x="53.34" y="-134.62"/>
-<instance part="P-14" gate="1" x="53.34" y="-177.8"/>
-<instance part="R39" gate="G$1" x="38.1" y="-157.48"/>
-<instance part="CH1_GAIN" gate="G$1" x="55.88" y="-121.92" rot="R270"/>
-<instance part="R40" gate="G$1" x="86.36" y="-160.02"/>
-<instance part="C6" gate="G$1" x="58.42" y="-142.24"/>
-<instance part="C27" gate="G$1" x="58.42" y="-172.72"/>
-<instance part="CH1_OUT" gate="G$1" x="78.74" y="-157.48"/>
-<instance part="SUPPLY40" gate="1" x="66.04" y="-147.32"/>
-<instance part="R41" gate="G$1" x="40.64" y="-170.18" rot="R90"/>
-<instance part="SUPPLY41" gate="1" x="40.64" y="-180.34"/>
-<instance part="SUPPLY42" gate="1" x="66.04" y="-180.34"/>
-<instance part="CH1/DITHER_IN" gate="G$1" x="-12.7" y="-167.64" rot="MR270"/>
-<instance part="SUPPLY43" gate="1" x="5.08" y="-175.26"/>
-<instance part="R42" gate="G$1" x="-66.04" y="66.04"/>
-<instance part="R43" gate="G$1" x="-73.66" y="50.8" rot="R90"/>
-<instance part="CH1_IN" gate="G$1" x="10.16" y="-152.4"/>
-<instance part="CH2_IN" gate="G$1" x="12.7" y="-238.76"/>
+<instance part="R38" gate="G$1" x="60.96" y="-213.36"/>
+<instance part="CH1_AMP" gate="G$1" x="149.86" y="-127"/>
+<instance part="P+14" gate="1" x="147.32" y="-101.6"/>
+<instance part="P-14" gate="1" x="147.32" y="-144.78"/>
+<instance part="R39" gate="G$1" x="132.08" y="-124.46"/>
+<instance part="CH1_GAIN" gate="G$1" x="149.86" y="-88.9" rot="R270"/>
+<instance part="R40" gate="G$1" x="180.34" y="-127"/>
+<instance part="C6" gate="G$1" x="152.4" y="-109.22"/>
+<instance part="C27" gate="G$1" x="152.4" y="-139.7"/>
+<instance part="CH1_OUT" gate="G$1" x="172.72" y="-124.46"/>
+<instance part="SUPPLY40" gate="1" x="160.02" y="-114.3"/>
+<instance part="R41" gate="G$1" x="134.62" y="-137.16" rot="R90"/>
+<instance part="SUPPLY41" gate="1" x="134.62" y="-147.32"/>
+<instance part="SUPPLY42" gate="1" x="160.02" y="-147.32"/>
+<instance part="CH1/DITHER_IN" gate="G$1" x="0" y="-109.22" rot="MR270"/>
+<instance part="SUPPLY43" gate="1" x="2.54" y="-121.92"/>
+<instance part="R42" gate="G$1" x="86.36" y="-109.22" rot="R90"/>
+<instance part="R43" gate="G$1" x="99.06" y="-124.46" rot="R180"/>
+<instance part="CH1_IN" gate="G$1" x="119.38" y="-116.84"/>
+<instance part="CH2_IN" gate="G$1" x="106.68" y="-205.74"/>
 <instance part="R44" gate="G$1" x="-66.04" y="91.44"/>
 <instance part="R45" gate="G$1" x="-45.72" y="91.44"/>
 <instance part="SUPPLY44" gate="1" x="-73.66" y="88.9" rot="MR0"/>
@@ -1404,26 +1419,26 @@ to make 3 channels preamp</text>
 </net>
 <net name="V+" class="0">
 <segment>
-<wire x1="269.24" y1="172.72" x2="271.78" y2="172.72" width="0.1524" layer="91"/>
-<wire x1="271.78" y1="172.72" x2="271.78" y2="180.34" width="0.1524" layer="91"/>
-<wire x1="271.78" y1="180.34" x2="276.86" y2="180.34" width="0.1524" layer="91"/>
-<wire x1="276.86" y1="180.34" x2="287.02" y2="180.34" width="0.1524" layer="91"/>
-<wire x1="287.02" y1="180.34" x2="297.18" y2="180.34" width="0.1524" layer="91"/>
-<wire x1="297.18" y1="180.34" x2="304.8" y2="180.34" width="0.1524" layer="91"/>
+<wire x1="-76.2" y1="-330.2" x2="-73.66" y2="-330.2" width="0.1524" layer="91"/>
+<wire x1="-73.66" y1="-330.2" x2="-73.66" y2="-322.58" width="0.1524" layer="91"/>
+<wire x1="-73.66" y1="-322.58" x2="-68.58" y2="-322.58" width="0.1524" layer="91"/>
+<wire x1="-68.58" y1="-322.58" x2="-58.42" y2="-322.58" width="0.1524" layer="91"/>
+<wire x1="-58.42" y1="-322.58" x2="-48.26" y2="-322.58" width="0.1524" layer="91"/>
+<wire x1="-48.26" y1="-322.58" x2="-40.64" y2="-322.58" width="0.1524" layer="91"/>
 <pinref part="P+1" gate="1" pin="V+"/>
-<wire x1="287.02" y1="182.88" x2="287.02" y2="180.34" width="0.1524" layer="91"/>
-<junction x="287.02" y="180.34"/>
+<wire x1="-58.42" y1="-320.04" x2="-58.42" y2="-322.58" width="0.1524" layer="91"/>
+<junction x="-58.42" y="-322.58"/>
 <pinref part="C25" gate="G$1" pin="2"/>
-<wire x1="297.18" y1="180.34" x2="297.18" y2="177.8" width="0.1524" layer="91"/>
-<junction x="297.18" y="180.34"/>
+<wire x1="-48.26" y1="-322.58" x2="-48.26" y2="-325.12" width="0.1524" layer="91"/>
+<junction x="-48.26" y="-322.58"/>
 <pinref part="C+" gate="G$1" pin="+"/>
-<wire x1="276.86" y1="177.8" x2="276.86" y2="180.34" width="0.1524" layer="91"/>
-<junction x="276.86" y="180.34"/>
+<wire x1="-68.58" y1="-325.12" x2="-68.58" y2="-322.58" width="0.1524" layer="91"/>
+<junction x="-68.58" y="-322.58"/>
 <pinref part="V+" gate="G$1" pin="TP"/>
-<wire x1="314.96" y1="172.72" x2="309.88" y2="172.72" width="0.1524" layer="91"/>
-<wire x1="309.88" y1="172.72" x2="309.88" y2="180.34" width="0.1524" layer="91"/>
-<wire x1="309.88" y1="180.34" x2="304.8" y2="180.34" width="0.1524" layer="91"/>
-<junction x="304.8" y="180.34"/>
+<wire x1="-30.48" y1="-330.2" x2="-35.56" y2="-330.2" width="0.1524" layer="91"/>
+<wire x1="-35.56" y1="-330.2" x2="-35.56" y2="-322.58" width="0.1524" layer="91"/>
+<wire x1="-35.56" y1="-322.58" x2="-40.64" y2="-322.58" width="0.1524" layer="91"/>
+<junction x="-40.64" y="-322.58"/>
 <pinref part="PWR2" gate="G$1" pin="3"/>
 <pinref part="PWR1" gate="G$1" pin="3"/>
 </segment>
@@ -1483,72 +1498,72 @@ to make 3 channels preamp</text>
 <segment>
 <pinref part="P+9" gate="1" pin="V+"/>
 <pinref part="CH2_AMP" gate="G$1" pin="V+"/>
-<wire x1="55.88" y1="-226.06" x2="55.88" y2="-231.14" width="0.1524" layer="91"/>
+<wire x1="149.86" y1="-193.04" x2="149.86" y2="-198.12" width="0.1524" layer="91"/>
 <pinref part="C15" gate="G$1" pin="1"/>
-<wire x1="55.88" y1="-231.14" x2="55.88" y2="-241.3" width="0.1524" layer="91"/>
-<wire x1="55.88" y1="-231.14" x2="58.42" y2="-231.14" width="0.1524" layer="91"/>
-<junction x="55.88" y="-231.14"/>
+<wire x1="149.86" y1="-198.12" x2="149.86" y2="-208.28" width="0.1524" layer="91"/>
+<wire x1="149.86" y1="-198.12" x2="152.4" y2="-198.12" width="0.1524" layer="91"/>
+<junction x="149.86" y="-198.12"/>
 </segment>
 <segment>
 <pinref part="P+11" gate="1" pin="V+"/>
 <pinref part="ERR_INV" gate="G$1" pin="V+"/>
-<wire x1="104.14" y1="78.74" x2="104.14" y2="73.66" width="0.1524" layer="91"/>
+<wire x1="7.62" y1="-200.66" x2="7.62" y2="-205.74" width="0.1524" layer="91"/>
 <pinref part="C17" gate="G$1" pin="1"/>
-<wire x1="104.14" y1="78.74" x2="109.22" y2="78.74" width="0.1524" layer="91"/>
-<junction x="104.14" y="78.74"/>
+<wire x1="7.62" y1="-200.66" x2="12.7" y2="-200.66" width="0.1524" layer="91"/>
+<junction x="7.62" y="-200.66"/>
 </segment>
 <segment>
 <pinref part="CH3_AMP" gate="G$1" pin="V+"/>
 <pinref part="P+10" gate="1" pin="V+"/>
-<wire x1="35.56" y1="-312.42" x2="35.56" y2="-304.8" width="0.1524" layer="91"/>
+<wire x1="129.54" y1="-279.4" x2="129.54" y2="-271.78" width="0.1524" layer="91"/>
 <pinref part="C20" gate="G$1" pin="1"/>
-<wire x1="35.56" y1="-304.8" x2="35.56" y2="-302.26" width="0.1524" layer="91"/>
-<wire x1="35.56" y1="-304.8" x2="40.64" y2="-304.8" width="0.1524" layer="91"/>
-<junction x="35.56" y="-304.8"/>
+<wire x1="129.54" y1="-271.78" x2="129.54" y2="-269.24" width="0.1524" layer="91"/>
+<wire x1="129.54" y1="-271.78" x2="134.62" y2="-271.78" width="0.1524" layer="91"/>
+<junction x="129.54" y="-271.78"/>
 </segment>
 <segment>
 <pinref part="P+12" gate="1" pin="V+"/>
 <pinref part="OUT_ADD" gate="G$1" pin="V+"/>
-<wire x1="129.54" y1="-294.64" x2="129.54" y2="-302.26" width="0.1524" layer="91"/>
+<wire x1="223.52" y1="-261.62" x2="223.52" y2="-269.24" width="0.1524" layer="91"/>
 <pinref part="C22" gate="G$1" pin="1"/>
-<wire x1="129.54" y1="-294.64" x2="132.08" y2="-294.64" width="0.1524" layer="91"/>
-<junction x="129.54" y="-294.64"/>
+<wire x1="223.52" y1="-261.62" x2="226.06" y2="-261.62" width="0.1524" layer="91"/>
+<junction x="223.52" y="-261.62"/>
 </segment>
 <segment>
 <pinref part="P+13" gate="1" pin="V+"/>
 <pinref part="R19" gate="G$1" pin="2"/>
-<wire x1="76.2" y1="-337.82" x2="76.2" y2="-347.98" width="0.1524" layer="91"/>
+<wire x1="170.18" y1="-304.8" x2="170.18" y2="-314.96" width="0.1524" layer="91"/>
 </segment>
 <segment>
 <pinref part="P+14" gate="1" pin="V+"/>
 <pinref part="CH1_AMP" gate="G$1" pin="V+"/>
-<wire x1="53.34" y1="-137.16" x2="53.34" y2="-142.24" width="0.1524" layer="91"/>
+<wire x1="147.32" y1="-104.14" x2="147.32" y2="-109.22" width="0.1524" layer="91"/>
 <pinref part="C6" gate="G$1" pin="1"/>
-<wire x1="53.34" y1="-142.24" x2="53.34" y2="-152.4" width="0.1524" layer="91"/>
-<wire x1="53.34" y1="-142.24" x2="55.88" y2="-142.24" width="0.1524" layer="91"/>
-<junction x="53.34" y="-142.24"/>
+<wire x1="147.32" y1="-109.22" x2="147.32" y2="-119.38" width="0.1524" layer="91"/>
+<wire x1="147.32" y1="-109.22" x2="149.86" y2="-109.22" width="0.1524" layer="91"/>
+<junction x="147.32" y="-109.22"/>
 </segment>
 </net>
 <net name="V-" class="0">
 <segment>
-<wire x1="269.24" y1="167.64" x2="271.78" y2="167.64" width="0.1524" layer="91"/>
-<wire x1="271.78" y1="167.64" x2="271.78" y2="157.48" width="0.1524" layer="91"/>
-<wire x1="271.78" y1="157.48" x2="276.86" y2="157.48" width="0.1524" layer="91"/>
-<wire x1="276.86" y1="157.48" x2="297.18" y2="157.48" width="0.1524" layer="91"/>
-<wire x1="297.18" y1="157.48" x2="304.8" y2="157.48" width="0.1524" layer="91"/>
+<wire x1="-76.2" y1="-335.28" x2="-73.66" y2="-335.28" width="0.1524" layer="91"/>
+<wire x1="-73.66" y1="-335.28" x2="-73.66" y2="-345.44" width="0.1524" layer="91"/>
+<wire x1="-73.66" y1="-345.44" x2="-68.58" y2="-345.44" width="0.1524" layer="91"/>
+<wire x1="-68.58" y1="-345.44" x2="-48.26" y2="-345.44" width="0.1524" layer="91"/>
+<wire x1="-48.26" y1="-345.44" x2="-40.64" y2="-345.44" width="0.1524" layer="91"/>
 <pinref part="P-1" gate="1" pin="V-"/>
-<wire x1="276.86" y1="154.94" x2="276.86" y2="157.48" width="0.1524" layer="91"/>
-<junction x="276.86" y="157.48"/>
+<wire x1="-68.58" y1="-347.98" x2="-68.58" y2="-345.44" width="0.1524" layer="91"/>
+<junction x="-68.58" y="-345.44"/>
 <pinref part="C26" gate="G$1" pin="1"/>
-<wire x1="297.18" y1="160.02" x2="297.18" y2="157.48" width="0.1524" layer="91"/>
-<junction x="297.18" y="157.48"/>
+<wire x1="-48.26" y1="-342.9" x2="-48.26" y2="-345.44" width="0.1524" layer="91"/>
+<junction x="-48.26" y="-345.44"/>
 <pinref part="C-" gate="G$1" pin="-"/>
-<wire x1="276.86" y1="157.48" x2="276.86" y2="162.56" width="0.1524" layer="91"/>
+<wire x1="-68.58" y1="-345.44" x2="-68.58" y2="-340.36" width="0.1524" layer="91"/>
 <pinref part="V-" gate="G$1" pin="TP"/>
-<wire x1="314.96" y1="167.64" x2="309.88" y2="167.64" width="0.1524" layer="91"/>
-<wire x1="309.88" y1="167.64" x2="309.88" y2="157.48" width="0.1524" layer="91"/>
-<wire x1="309.88" y1="157.48" x2="304.8" y2="157.48" width="0.1524" layer="91"/>
-<junction x="304.8" y="157.48"/>
+<wire x1="-30.48" y1="-335.28" x2="-35.56" y2="-335.28" width="0.1524" layer="91"/>
+<wire x1="-35.56" y1="-335.28" x2="-35.56" y2="-345.44" width="0.1524" layer="91"/>
+<wire x1="-35.56" y1="-345.44" x2="-40.64" y2="-345.44" width="0.1524" layer="91"/>
+<junction x="-40.64" y="-345.44"/>
 <pinref part="PWR2" gate="G$1" pin="1"/>
 <pinref part="PWR1" gate="G$1" pin="1"/>
 </segment>
@@ -1573,7 +1588,7 @@ to make 3 channels preamp</text>
 <segment>
 <pinref part="R25" gate="G$1" pin="1"/>
 <pinref part="P-2" gate="1" pin="V-"/>
-<wire x1="-33.02" y1="-5.08" x2="-33.02" y2="-12.7" width="0.1524" layer="91"/>
+<wire x1="-33.02" y1="-5.08" x2="-33.02" y2="-10.16" width="0.1524" layer="91"/>
 </segment>
 <segment>
 <pinref part="BOOSTER" gate="G$1" pin="V-"/>
@@ -1602,42 +1617,42 @@ to make 3 channels preamp</text>
 <segment>
 <pinref part="CH2_AMP" gate="G$1" pin="V-"/>
 <pinref part="P-9" gate="1" pin="V-"/>
-<wire x1="55.88" y1="-256.54" x2="55.88" y2="-261.62" width="0.1524" layer="91"/>
-<wire x1="55.88" y1="-261.62" x2="55.88" y2="-264.16" width="0.1524" layer="91"/>
-<wire x1="58.42" y1="-261.62" x2="55.88" y2="-261.62" width="0.1524" layer="91"/>
-<junction x="55.88" y="-261.62"/>
+<wire x1="149.86" y1="-223.52" x2="149.86" y2="-228.6" width="0.1524" layer="91"/>
+<wire x1="149.86" y1="-228.6" x2="149.86" y2="-231.14" width="0.1524" layer="91"/>
+<wire x1="152.4" y1="-228.6" x2="149.86" y2="-228.6" width="0.1524" layer="91"/>
+<junction x="149.86" y="-228.6"/>
 <pinref part="C16" gate="G$1" pin="1"/>
 </segment>
 <segment>
 <pinref part="ERR_INV" gate="G$1" pin="V-"/>
 <pinref part="P-10" gate="1" pin="V-"/>
-<wire x1="104.14" y1="58.42" x2="104.14" y2="55.88" width="0.1524" layer="91"/>
+<wire x1="7.62" y1="-220.98" x2="7.62" y2="-223.52" width="0.1524" layer="91"/>
 <pinref part="C18" gate="G$1" pin="1"/>
-<wire x1="104.14" y1="55.88" x2="109.22" y2="55.88" width="0.1524" layer="91"/>
-<junction x="104.14" y="55.88"/>
+<wire x1="7.62" y1="-223.52" x2="12.7" y2="-223.52" width="0.1524" layer="91"/>
+<junction x="7.62" y="-223.52"/>
 </segment>
 <segment>
 <pinref part="CH3_AMP" gate="G$1" pin="V-"/>
 <pinref part="P-12" gate="1" pin="V-"/>
-<wire x1="35.56" y1="-327.66" x2="35.56" y2="-330.2" width="0.1524" layer="91"/>
+<wire x1="129.54" y1="-294.64" x2="129.54" y2="-297.18" width="0.1524" layer="91"/>
 <pinref part="C21" gate="G$1" pin="1"/>
-<wire x1="35.56" y1="-330.2" x2="35.56" y2="-332.74" width="0.1524" layer="91"/>
-<wire x1="35.56" y1="-330.2" x2="40.64" y2="-330.2" width="0.1524" layer="91"/>
-<junction x="35.56" y="-330.2"/>
+<wire x1="129.54" y1="-297.18" x2="129.54" y2="-299.72" width="0.1524" layer="91"/>
+<wire x1="129.54" y1="-297.18" x2="134.62" y2="-297.18" width="0.1524" layer="91"/>
+<junction x="129.54" y="-297.18"/>
 </segment>
 <segment>
 <pinref part="OUT_ADD" gate="G$1" pin="V-"/>
 <pinref part="P-11" gate="1" pin="V-"/>
-<wire x1="129.54" y1="-317.5" x2="129.54" y2="-320.04" width="0.1524" layer="91"/>
+<wire x1="223.52" y1="-284.48" x2="223.52" y2="-287.02" width="0.1524" layer="91"/>
 <pinref part="C23" gate="G$1" pin="1"/>
-<wire x1="129.54" y1="-320.04" x2="129.54" y2="-322.58" width="0.1524" layer="91"/>
-<wire x1="129.54" y1="-320.04" x2="132.08" y2="-320.04" width="0.1524" layer="91"/>
-<junction x="129.54" y="-320.04"/>
+<wire x1="223.52" y1="-287.02" x2="223.52" y2="-289.56" width="0.1524" layer="91"/>
+<wire x1="223.52" y1="-287.02" x2="226.06" y2="-287.02" width="0.1524" layer="91"/>
+<junction x="223.52" y="-287.02"/>
 </segment>
 <segment>
 <pinref part="R20" gate="G$1" pin="1"/>
 <pinref part="P-13" gate="1" pin="V-"/>
-<wire x1="76.2" y1="-383.54" x2="76.2" y2="-386.08" width="0.1524" layer="91"/>
+<wire x1="170.18" y1="-350.52" x2="170.18" y2="-353.06" width="0.1524" layer="91"/>
 </segment>
 <segment>
 <pinref part="BUFFER" gate="G$1" pin="V-"/>
@@ -1650,10 +1665,10 @@ to make 3 channels preamp</text>
 <segment>
 <pinref part="CH1_AMP" gate="G$1" pin="V-"/>
 <pinref part="P-14" gate="1" pin="V-"/>
-<wire x1="53.34" y1="-167.64" x2="53.34" y2="-172.72" width="0.1524" layer="91"/>
-<wire x1="53.34" y1="-172.72" x2="53.34" y2="-175.26" width="0.1524" layer="91"/>
-<wire x1="55.88" y1="-172.72" x2="53.34" y2="-172.72" width="0.1524" layer="91"/>
-<junction x="53.34" y="-172.72"/>
+<wire x1="147.32" y1="-134.62" x2="147.32" y2="-139.7" width="0.1524" layer="91"/>
+<wire x1="147.32" y1="-139.7" x2="147.32" y2="-142.24" width="0.1524" layer="91"/>
+<wire x1="149.86" y1="-139.7" x2="147.32" y2="-139.7" width="0.1524" layer="91"/>
+<junction x="147.32" y="-139.7"/>
 <pinref part="C27" gate="G$1" pin="1"/>
 </segment>
 </net>
@@ -1682,46 +1697,46 @@ to make 3 channels preamp</text>
 <segment>
 <pinref part="SUPPLY4" gate="1" pin="GND"/>
 <pinref part="ERROR/CH2" gate="." pin="SHIELD1"/>
-<wire x1="60.96" y1="-5.08" x2="60.96" y2="0" width="0.1524" layer="91"/>
+<wire x1="-78.74" y1="-231.14" x2="-78.74" y2="-215.9" width="0.1524" layer="91"/>
 </segment>
 <segment>
-<wire x1="269.24" y1="170.18" x2="276.86" y2="170.18" width="0.1524" layer="91"/>
-<wire x1="276.86" y1="170.18" x2="284.48" y2="170.18" width="0.1524" layer="91"/>
-<wire x1="284.48" y1="170.18" x2="297.18" y2="170.18" width="0.1524" layer="91"/>
-<wire x1="297.18" y1="170.18" x2="304.8" y2="170.18" width="0.1524" layer="91"/>
+<wire x1="-76.2" y1="-332.74" x2="-68.58" y2="-332.74" width="0.1524" layer="91"/>
+<wire x1="-68.58" y1="-332.74" x2="-60.96" y2="-332.74" width="0.1524" layer="91"/>
+<wire x1="-60.96" y1="-332.74" x2="-48.26" y2="-332.74" width="0.1524" layer="91"/>
+<wire x1="-48.26" y1="-332.74" x2="-40.64" y2="-332.74" width="0.1524" layer="91"/>
 <pinref part="SUPPLY1" gate="1" pin="GND"/>
-<wire x1="284.48" y1="165.1" x2="284.48" y2="170.18" width="0.1524" layer="91"/>
-<junction x="284.48" y="170.18"/>
+<wire x1="-60.96" y1="-337.82" x2="-60.96" y2="-332.74" width="0.1524" layer="91"/>
+<junction x="-60.96" y="-332.74"/>
 <pinref part="C25" gate="G$1" pin="1"/>
-<wire x1="297.18" y1="172.72" x2="297.18" y2="170.18" width="0.1524" layer="91"/>
-<junction x="297.18" y="170.18"/>
+<wire x1="-48.26" y1="-330.2" x2="-48.26" y2="-332.74" width="0.1524" layer="91"/>
+<junction x="-48.26" y="-332.74"/>
 <pinref part="C26" gate="G$1" pin="2"/>
-<wire x1="297.18" y1="170.18" x2="297.18" y2="165.1" width="0.1524" layer="91"/>
+<wire x1="-48.26" y1="-332.74" x2="-48.26" y2="-337.82" width="0.1524" layer="91"/>
 <pinref part="C-" gate="G$1" pin="+"/>
-<wire x1="276.86" y1="167.64" x2="276.86" y2="170.18" width="0.1524" layer="91"/>
-<junction x="276.86" y="170.18"/>
+<wire x1="-68.58" y1="-335.28" x2="-68.58" y2="-332.74" width="0.1524" layer="91"/>
+<junction x="-68.58" y="-332.74"/>
 <pinref part="C+" gate="G$1" pin="-"/>
-<wire x1="276.86" y1="170.18" x2="276.86" y2="172.72" width="0.1524" layer="91"/>
+<wire x1="-68.58" y1="-332.74" x2="-68.58" y2="-330.2" width="0.1524" layer="91"/>
 <pinref part="GND" gate="G$1" pin="TP"/>
-<wire x1="314.96" y1="170.18" x2="304.8" y2="170.18" width="0.1524" layer="91"/>
-<junction x="304.8" y="170.18"/>
+<wire x1="-30.48" y1="-332.74" x2="-40.64" y2="-332.74" width="0.1524" layer="91"/>
+<junction x="-40.64" y="-332.74"/>
 <pinref part="PWR2" gate="G$1" pin="2"/>
 <pinref part="PWR1" gate="G$1" pin="2"/>
 </segment>
 <segment>
 <pinref part="SUPPLY5" gate="1" pin="GND"/>
 <pinref part="P_GAIN" gate="G$1" pin="1"/>
-<wire x1="137.16" y1="0" x2="137.16" y2="5.08" width="0.1524" layer="91"/>
+<wire x1="160.02" y1="-2.54" x2="160.02" y2="5.08" width="0.1524" layer="91"/>
 </segment>
 <segment>
 <pinref part="OUTPUT" gate="." pin="SHIELD1"/>
 <pinref part="SUPPLY13" gate="1" pin="GND"/>
-<wire x1="172.72" y1="-309.88" x2="172.72" y2="-314.96" width="0.1524" layer="91"/>
+<wire x1="266.7" y1="-276.86" x2="266.7" y2="-281.94" width="0.1524" layer="91"/>
 </segment>
 <segment>
 <pinref part="C19" gate="G$1" pin="1"/>
 <pinref part="SUPPLY15" gate="1" pin="GND"/>
-<wire x1="91.44" y1="-375.92" x2="91.44" y2="-381" width="0.1524" layer="91"/>
+<wire x1="185.42" y1="-342.9" x2="185.42" y2="-347.98" width="0.1524" layer="91"/>
 </segment>
 <segment>
 <pinref part="C0" gate="G$1" pin="2"/>
@@ -1779,22 +1794,22 @@ to make 3 channels preamp</text>
 <segment>
 <pinref part="C17" gate="G$1" pin="2"/>
 <pinref part="SUPPLY27" gate="1" pin="GND"/>
-<wire x1="114.3" y1="78.74" x2="119.38" y2="78.74" width="0.1524" layer="91"/>
+<wire x1="17.78" y1="-200.66" x2="22.86" y2="-200.66" width="0.1524" layer="91"/>
 </segment>
 <segment>
 <pinref part="C18" gate="G$1" pin="2"/>
 <pinref part="SUPPLY28" gate="1" pin="GND"/>
-<wire x1="114.3" y1="55.88" x2="121.92" y2="55.88" width="0.1524" layer="91"/>
+<wire x1="17.78" y1="-223.52" x2="25.4" y2="-223.52" width="0.1524" layer="91"/>
 </segment>
 <segment>
 <pinref part="C23" gate="G$1" pin="2"/>
 <pinref part="SUPPLY30" gate="1" pin="GND"/>
-<wire x1="137.16" y1="-320.04" x2="142.24" y2="-320.04" width="0.1524" layer="91"/>
+<wire x1="231.14" y1="-287.02" x2="236.22" y2="-287.02" width="0.1524" layer="91"/>
 </segment>
 <segment>
 <pinref part="C22" gate="G$1" pin="2"/>
 <pinref part="SUPPLY29" gate="1" pin="GND"/>
-<wire x1="137.16" y1="-294.64" x2="142.24" y2="-294.64" width="0.1524" layer="91"/>
+<wire x1="231.14" y1="-261.62" x2="236.22" y2="-261.62" width="0.1524" layer="91"/>
 </segment>
 <segment>
 <pinref part="C3" gate="G$1" pin="2"/>
@@ -1810,30 +1825,30 @@ to make 3 channels preamp</text>
 <segment>
 <pinref part="C20" gate="G$1" pin="2"/>
 <pinref part="SUPPLY33" gate="1" pin="GND"/>
-<wire x1="45.72" y1="-304.8" x2="50.8" y2="-304.8" width="0.1524" layer="91"/>
-<wire x1="50.8" y1="-304.8" x2="50.8" y2="-307.34" width="0.1524" layer="91"/>
+<wire x1="139.7" y1="-271.78" x2="144.78" y2="-271.78" width="0.1524" layer="91"/>
+<wire x1="144.78" y1="-271.78" x2="144.78" y2="-274.32" width="0.1524" layer="91"/>
 </segment>
 <segment>
 <pinref part="C21" gate="G$1" pin="2"/>
 <pinref part="SUPPLY32" gate="1" pin="GND"/>
-<wire x1="45.72" y1="-330.2" x2="50.8" y2="-330.2" width="0.1524" layer="91"/>
-<wire x1="50.8" y1="-330.2" x2="50.8" y2="-332.74" width="0.1524" layer="91"/>
+<wire x1="139.7" y1="-297.18" x2="144.78" y2="-297.18" width="0.1524" layer="91"/>
+<wire x1="144.78" y1="-297.18" x2="144.78" y2="-299.72" width="0.1524" layer="91"/>
 </segment>
 <segment>
 <pinref part="C15" gate="G$1" pin="2"/>
 <pinref part="SUPPLY35" gate="1" pin="GND"/>
-<wire x1="63.5" y1="-231.14" x2="68.58" y2="-231.14" width="0.1524" layer="91"/>
-<wire x1="68.58" y1="-231.14" x2="68.58" y2="-236.22" width="0.1524" layer="91"/>
+<wire x1="157.48" y1="-198.12" x2="162.56" y2="-198.12" width="0.1524" layer="91"/>
+<wire x1="162.56" y1="-198.12" x2="162.56" y2="-203.2" width="0.1524" layer="91"/>
 </segment>
 <segment>
-<pinref part="INPUT" gate="." pin="SHIELD1"/>
+<pinref part="INPUT/CH1" gate="." pin="SHIELD1"/>
 <pinref part="SUPPLY16" gate="1" pin="GND"/>
-<wire x1="-83.82" y1="60.96" x2="-83.82" y2="55.88" width="0.1524" layer="91"/>
+<wire x1="66.04" y1="-129.54" x2="66.04" y2="-139.7" width="0.1524" layer="91"/>
 </segment>
 <segment>
 <pinref part="SWEEP/CH3" gate="." pin="SHIELD1"/>
 <pinref part="SUPPLY12" gate="1" pin="GND"/>
-<wire x1="-2.54" y1="-322.58" x2="-2.54" y2="-327.66" width="0.1524" layer="91"/>
+<wire x1="91.44" y1="-289.56" x2="91.44" y2="-294.64" width="0.1524" layer="91"/>
 </segment>
 <segment>
 <pinref part="R27" gate="G$1" pin="1"/>
@@ -1853,17 +1868,17 @@ to make 3 channels preamp</text>
 <segment>
 <pinref part="R32" gate="G$1" pin="1"/>
 <pinref part="SUPPLY9" gate="1" pin="GND"/>
-<wire x1="81.28" y1="33.02" x2="81.28" y2="22.86" width="0.1524" layer="91"/>
+<wire x1="-15.24" y1="-246.38" x2="-15.24" y2="-256.54" width="0.1524" layer="91"/>
 </segment>
 <segment>
 <pinref part="R33" gate="G$1" pin="1"/>
 <pinref part="SUPPLY10" gate="1" pin="GND"/>
-<wire x1="25.4" y1="-335.28" x2="25.4" y2="-340.36" width="0.1524" layer="91"/>
+<wire x1="119.38" y1="-302.26" x2="119.38" y2="-307.34" width="0.1524" layer="91"/>
 </segment>
 <segment>
 <pinref part="R34" gate="G$1" pin="1"/>
 <pinref part="SUPPLY14" gate="1" pin="GND"/>
-<wire x1="124.46" y1="-325.12" x2="124.46" y2="-332.74" width="0.1524" layer="91"/>
+<wire x1="218.44" y1="-292.1" x2="218.44" y2="-299.72" width="0.1524" layer="91"/>
 </segment>
 <segment>
 <pinref part="R26" gate="G$1" pin="1"/>
@@ -1879,13 +1894,13 @@ to make 3 channels preamp</text>
 <segment>
 <pinref part="R30" gate="G$1" pin="1"/>
 <pinref part="SUPPLY37" gate="1" pin="GND"/>
-<wire x1="43.18" y1="-264.16" x2="43.18" y2="-269.24" width="0.1524" layer="91"/>
+<wire x1="137.16" y1="-231.14" x2="137.16" y2="-236.22" width="0.1524" layer="91"/>
 </segment>
 <segment>
 <pinref part="C16" gate="G$1" pin="2"/>
-<wire x1="63.5" y1="-261.62" x2="68.58" y2="-261.62" width="0.1524" layer="91"/>
+<wire x1="157.48" y1="-228.6" x2="162.56" y2="-228.6" width="0.1524" layer="91"/>
 <pinref part="SUPPLY38" gate="1" pin="GND"/>
-<wire x1="68.58" y1="-261.62" x2="68.58" y2="-269.24" width="0.1524" layer="91"/>
+<wire x1="162.56" y1="-228.6" x2="162.56" y2="-236.22" width="0.1524" layer="91"/>
 </segment>
 <segment>
 <pinref part="SUPPLY36" gate="1" pin="GND"/>
@@ -1906,25 +1921,25 @@ to make 3 channels preamp</text>
 <segment>
 <pinref part="C6" gate="G$1" pin="2"/>
 <pinref part="SUPPLY40" gate="1" pin="GND"/>
-<wire x1="60.96" y1="-142.24" x2="66.04" y2="-142.24" width="0.1524" layer="91"/>
-<wire x1="66.04" y1="-142.24" x2="66.04" y2="-147.32" width="0.1524" layer="91"/>
+<wire x1="154.94" y1="-109.22" x2="160.02" y2="-109.22" width="0.1524" layer="91"/>
+<wire x1="160.02" y1="-109.22" x2="160.02" y2="-114.3" width="0.1524" layer="91"/>
 </segment>
 <segment>
 <pinref part="R41" gate="G$1" pin="1"/>
 <pinref part="SUPPLY41" gate="1" pin="GND"/>
-<wire x1="40.64" y1="-175.26" x2="40.64" y2="-180.34" width="0.1524" layer="91"/>
+<wire x1="134.62" y1="-142.24" x2="134.62" y2="-147.32" width="0.1524" layer="91"/>
 </segment>
 <segment>
 <pinref part="C27" gate="G$1" pin="2"/>
-<wire x1="60.96" y1="-172.72" x2="66.04" y2="-172.72" width="0.1524" layer="91"/>
+<wire x1="154.94" y1="-139.7" x2="160.02" y2="-139.7" width="0.1524" layer="91"/>
 <pinref part="SUPPLY42" gate="1" pin="GND"/>
-<wire x1="66.04" y1="-172.72" x2="66.04" y2="-180.34" width="0.1524" layer="91"/>
+<wire x1="160.02" y1="-139.7" x2="160.02" y2="-147.32" width="0.1524" layer="91"/>
 </segment>
 <segment>
 <pinref part="CH1/DITHER_IN" gate="G$1" pin="2"/>
 <pinref part="SUPPLY43" gate="1" pin="GND"/>
-<wire x1="-12.7" y1="-167.64" x2="5.08" y2="-167.64" width="0.1524" layer="91"/>
-<wire x1="5.08" y1="-167.64" x2="5.08" y2="-175.26" width="0.1524" layer="91"/>
+<wire x1="0" y1="-109.22" x2="2.54" y2="-109.22" width="0.1524" layer="91"/>
+<wire x1="2.54" y1="-109.22" x2="2.54" y2="-121.92" width="0.1524" layer="91"/>
 </segment>
 <segment>
 <pinref part="SUPPLY44" gate="1" pin="GND"/>
@@ -2004,7 +2019,7 @@ to make 3 channels preamp</text>
 <segment>
 <pinref part="P_GAIN" gate="G$1" pin="2"/>
 <pinref part="R6" gate="G$1" pin="2"/>
-<wire x1="142.24" y1="10.16" x2="248.92" y2="10.16" width="0.1524" layer="91"/>
+<wire x1="165.1" y1="10.16" x2="248.92" y2="10.16" width="0.1524" layer="91"/>
 </segment>
 </net>
 <net name="N$17" class="0">
@@ -2062,185 +2077,160 @@ to make 3 channels preamp</text>
 <segment>
 <pinref part="R14" gate="G$1" pin="2"/>
 <pinref part="CH2_AMP" gate="G$1" pin="-IN"/>
-<wire x1="45.72" y1="-246.38" x2="48.26" y2="-246.38" width="0.1524" layer="91"/>
-<wire x1="48.26" y1="-246.38" x2="50.8" y2="-246.38" width="0.1524" layer="91"/>
-<wire x1="48.26" y1="-246.38" x2="48.26" y2="-210.82" width="0.1524" layer="91"/>
-<junction x="48.26" y="-246.38"/>
+<wire x1="139.7" y1="-213.36" x2="142.24" y2="-213.36" width="0.1524" layer="91"/>
+<wire x1="142.24" y1="-213.36" x2="144.78" y2="-213.36" width="0.1524" layer="91"/>
+<wire x1="142.24" y1="-213.36" x2="142.24" y2="-177.8" width="0.1524" layer="91"/>
+<junction x="142.24" y="-213.36"/>
 <pinref part="CH2_GAIN" gate="G$1" pin="1"/>
-<wire x1="53.34" y1="-210.82" x2="48.26" y2="-210.82" width="0.1524" layer="91"/>
+<wire x1="147.32" y1="-177.8" x2="142.24" y2="-177.8" width="0.1524" layer="91"/>
 </segment>
 </net>
 <net name="N$21" class="0">
 <segment>
 <pinref part="CH2_GAIN" gate="G$1" pin="2"/>
-<wire x1="58.42" y1="-210.82" x2="58.42" y2="-215.9" width="0.1524" layer="91"/>
-<wire x1="58.42" y1="-215.9" x2="76.2" y2="-215.9" width="0.1524" layer="91"/>
+<wire x1="152.4" y1="-177.8" x2="152.4" y2="-182.88" width="0.1524" layer="91"/>
+<wire x1="152.4" y1="-182.88" x2="170.18" y2="-182.88" width="0.1524" layer="91"/>
 <pinref part="CH2_AMP" gate="G$1" pin="OUT"/>
-<wire x1="76.2" y1="-215.9" x2="76.2" y2="-248.92" width="0.1524" layer="91"/>
-<wire x1="76.2" y1="-248.92" x2="66.04" y2="-248.92" width="0.1524" layer="91"/>
+<wire x1="170.18" y1="-182.88" x2="170.18" y2="-215.9" width="0.1524" layer="91"/>
+<wire x1="170.18" y1="-215.9" x2="160.02" y2="-215.9" width="0.1524" layer="91"/>
 <pinref part="R17" gate="G$1" pin="1"/>
-<wire x1="83.82" y1="-248.92" x2="81.28" y2="-248.92" width="0.1524" layer="91"/>
-<junction x="76.2" y="-248.92"/>
+<wire x1="177.8" y1="-215.9" x2="175.26" y2="-215.9" width="0.1524" layer="91"/>
+<junction x="170.18" y="-215.9"/>
 <pinref part="CH2_OUT" gate="G$1" pin="TP"/>
-<wire x1="81.28" y1="-248.92" x2="76.2" y2="-248.92" width="0.1524" layer="91"/>
-<wire x1="81.28" y1="-246.38" x2="81.28" y2="-248.92" width="0.1524" layer="91"/>
-<junction x="81.28" y="-248.92"/>
+<wire x1="175.26" y1="-215.9" x2="170.18" y2="-215.9" width="0.1524" layer="91"/>
+<wire x1="175.26" y1="-213.36" x2="175.26" y2="-215.9" width="0.1524" layer="91"/>
+<junction x="175.26" y="-215.9"/>
 </segment>
 </net>
 <net name="N$22" class="0">
 <segment>
 <pinref part="R15" gate="G$1" pin="2"/>
 <pinref part="ERR_INV" gate="G$1" pin="-IN"/>
-<wire x1="93.98" y1="68.58" x2="96.52" y2="68.58" width="0.1524" layer="91"/>
+<wire x1="-2.54" y1="-210.82" x2="0" y2="-210.82" width="0.1524" layer="91"/>
 <pinref part="R16" gate="G$1" pin="1"/>
-<wire x1="96.52" y1="68.58" x2="99.06" y2="68.58" width="0.1524" layer="91"/>
-<wire x1="99.06" y1="88.9" x2="96.52" y2="88.9" width="0.1524" layer="91"/>
-<wire x1="96.52" y1="88.9" x2="96.52" y2="68.58" width="0.1524" layer="91"/>
-<junction x="96.52" y="68.58"/>
-</segment>
-</net>
-<net name="INV_R2" class="0">
-<segment>
-<pinref part="R16" gate="G$1" pin="2"/>
-<wire x1="109.22" y1="88.9" x2="127" y2="88.9" width="0.1524" layer="91"/>
-<pinref part="ERR_INV" gate="G$1" pin="OUT"/>
-<wire x1="127" y1="88.9" x2="127" y2="66.04" width="0.1524" layer="91"/>
-<wire x1="127" y1="66.04" x2="114.3" y2="66.04" width="0.1524" layer="91"/>
-<wire x1="127" y1="66.04" x2="129.54" y2="66.04" width="0.1524" layer="91"/>
-<junction x="127" y="66.04"/>
-<pinref part="E_INV" gate="G$1" pin="TP"/>
-<wire x1="129.54" y1="66.04" x2="137.16" y2="66.04" width="0.1524" layer="91"/>
-<junction x="129.54" y="66.04"/>
-<wire x1="137.16" y1="66.04" x2="147.32" y2="66.04" width="0.1524" layer="91"/>
-<pinref part="R4" gate="G$1" pin="1"/>
-<pinref part="P_GAIN" gate="G$1" pin="3"/>
-<wire x1="137.16" y1="15.24" x2="137.16" y2="27.94" width="0.1524" layer="91"/>
-<junction x="137.16" y="66.04"/>
-<pinref part="R38" gate="G$1" pin="1"/>
-<wire x1="137.16" y1="27.94" x2="137.16" y2="66.04" width="0.1524" layer="91"/>
-<wire x1="116.84" y1="2.54" x2="116.84" y2="27.94" width="0.1524" layer="91"/>
-<wire x1="116.84" y1="27.94" x2="137.16" y2="27.94" width="0.1524" layer="91"/>
-<junction x="137.16" y="27.94"/>
+<wire x1="0" y1="-210.82" x2="2.54" y2="-210.82" width="0.1524" layer="91"/>
+<wire x1="2.54" y1="-190.5" x2="0" y2="-190.5" width="0.1524" layer="91"/>
+<wire x1="0" y1="-190.5" x2="0" y2="-210.82" width="0.1524" layer="91"/>
+<junction x="0" y="-210.82"/>
 </segment>
 </net>
 <net name="N$24" class="0">
 <segment>
 <pinref part="ERR_INV" gate="G$1" pin="+IN"/>
-<wire x1="99.06" y1="63.5" x2="96.52" y2="63.5" width="0.1524" layer="91"/>
-<wire x1="96.52" y1="63.5" x2="96.52" y2="58.42" width="0.1524" layer="91"/>
+<wire x1="2.54" y1="-215.9" x2="0" y2="-215.9" width="0.1524" layer="91"/>
+<wire x1="0" y1="-215.9" x2="0" y2="-220.98" width="0.1524" layer="91"/>
 <pinref part="INV_SW" gate="G$1" pin="2"/>
-<wire x1="96.52" y1="58.42" x2="91.44" y2="58.42" width="0.1524" layer="91"/>
+<wire x1="0" y1="-220.98" x2="-5.08" y2="-220.98" width="0.1524" layer="91"/>
 </segment>
 </net>
 <net name="N$27" class="0">
 <segment>
 <pinref part="R23" gate="G$1" pin="2"/>
 <pinref part="CH3_AMP" gate="G$1" pin="-IN"/>
-<wire x1="20.32" y1="-317.5" x2="30.48" y2="-317.5" width="0.1524" layer="91"/>
-<wire x1="30.48" y1="-317.5" x2="27.94" y2="-317.5" width="0.1524" layer="91"/>
-<wire x1="27.94" y1="-317.5" x2="27.94" y2="-292.1" width="0.1524" layer="91"/>
-<junction x="30.48" y="-317.5"/>
+<wire x1="114.3" y1="-284.48" x2="124.46" y2="-284.48" width="0.1524" layer="91"/>
+<wire x1="124.46" y1="-284.48" x2="121.92" y2="-284.48" width="0.1524" layer="91"/>
+<wire x1="121.92" y1="-284.48" x2="121.92" y2="-259.08" width="0.1524" layer="91"/>
+<junction x="124.46" y="-284.48"/>
 <pinref part="CH3_GAIN" gate="G$1" pin="1"/>
-<wire x1="27.94" y1="-292.1" x2="33.02" y2="-292.1" width="0.1524" layer="91"/>
+<wire x1="121.92" y1="-259.08" x2="127" y2="-259.08" width="0.1524" layer="91"/>
 </segment>
 </net>
 <net name="C_MOD+" class="0">
 <segment>
 <pinref part="CH3_GAIN" gate="G$1" pin="2"/>
-<wire x1="38.1" y1="-292.1" x2="38.1" y2="-294.64" width="0.1524" layer="91"/>
-<wire x1="38.1" y1="-294.64" x2="58.42" y2="-294.64" width="0.1524" layer="91"/>
-<wire x1="58.42" y1="-294.64" x2="58.42" y2="-320.04" width="0.1524" layer="91"/>
+<wire x1="132.08" y1="-259.08" x2="132.08" y2="-261.62" width="0.1524" layer="91"/>
+<wire x1="132.08" y1="-261.62" x2="152.4" y2="-261.62" width="0.1524" layer="91"/>
+<wire x1="152.4" y1="-261.62" x2="152.4" y2="-287.02" width="0.1524" layer="91"/>
 <pinref part="CH3_AMP" gate="G$1" pin="OUT"/>
-<wire x1="58.42" y1="-320.04" x2="45.72" y2="-320.04" width="0.1524" layer="91"/>
+<wire x1="152.4" y1="-287.02" x2="139.7" y2="-287.02" width="0.1524" layer="91"/>
 <pinref part="R18" gate="G$1" pin="1"/>
-<wire x1="58.42" y1="-320.04" x2="63.5" y2="-320.04" width="0.1524" layer="91"/>
-<junction x="58.42" y="-320.04"/>
+<wire x1="152.4" y1="-287.02" x2="157.48" y2="-287.02" width="0.1524" layer="91"/>
+<junction x="152.4" y="-287.02"/>
 <pinref part="CH3_OUT" gate="G$1" pin="TP"/>
-<wire x1="63.5" y1="-320.04" x2="73.66" y2="-320.04" width="0.1524" layer="91"/>
-<junction x="63.5" y="-320.04"/>
+<wire x1="157.48" y1="-287.02" x2="167.64" y2="-287.02" width="0.1524" layer="91"/>
+<junction x="157.48" y="-287.02"/>
 </segment>
 </net>
 <net name="OUTPUT_ROFF" class="0">
 <segment>
 <pinref part="R21" gate="G$1" pin="1"/>
-<wire x1="83.82" y1="-365.76" x2="91.44" y2="-365.76" width="0.1524" layer="91"/>
+<wire x1="177.8" y1="-332.74" x2="185.42" y2="-332.74" width="0.1524" layer="91"/>
 <pinref part="V_OFF" gate="G$1" pin="TP"/>
 <pinref part="OFFSET" gate="G$1" pin="2"/>
-<wire x1="91.44" y1="-365.76" x2="96.52" y2="-365.76" width="0.1524" layer="91"/>
-<wire x1="76.2" y1="-365.76" x2="83.82" y2="-365.76" width="0.1524" layer="91"/>
-<junction x="83.82" y="-365.76"/>
+<wire x1="185.42" y1="-332.74" x2="190.5" y2="-332.74" width="0.1524" layer="91"/>
+<wire x1="170.18" y1="-332.74" x2="177.8" y2="-332.74" width="0.1524" layer="91"/>
+<junction x="177.8" y="-332.74"/>
 <pinref part="C19" gate="G$1" pin="2"/>
-<wire x1="91.44" y1="-370.84" x2="91.44" y2="-365.76" width="0.1524" layer="91"/>
-<junction x="91.44" y="-365.76"/>
+<wire x1="185.42" y1="-337.82" x2="185.42" y2="-332.74" width="0.1524" layer="91"/>
+<junction x="185.42" y="-332.74"/>
 </segment>
 </net>
 <net name="N$33" class="0">
 <segment>
 <pinref part="R22" gate="G$1" pin="2"/>
-<wire x1="134.62" y1="-279.4" x2="147.32" y2="-279.4" width="0.1524" layer="91"/>
-<wire x1="147.32" y1="-279.4" x2="147.32" y2="-304.8" width="0.1524" layer="91"/>
+<wire x1="228.6" y1="-246.38" x2="241.3" y2="-246.38" width="0.1524" layer="91"/>
+<wire x1="241.3" y1="-246.38" x2="241.3" y2="-271.78" width="0.1524" layer="91"/>
 <pinref part="OUT_ADD" gate="G$1" pin="OUT"/>
-<wire x1="147.32" y1="-304.8" x2="147.32" y2="-309.88" width="0.1524" layer="91"/>
-<wire x1="147.32" y1="-309.88" x2="139.7" y2="-309.88" width="0.1524" layer="91"/>
+<wire x1="241.3" y1="-271.78" x2="241.3" y2="-276.86" width="0.1524" layer="91"/>
+<wire x1="241.3" y1="-276.86" x2="233.68" y2="-276.86" width="0.1524" layer="91"/>
 <pinref part="OUTPUT" gate="." pin="CONDUCTOR"/>
-<wire x1="167.64" y1="-304.8" x2="154.94" y2="-304.8" width="0.1524" layer="91"/>
-<junction x="147.32" y="-304.8"/>
+<wire x1="261.62" y1="-271.78" x2="248.92" y2="-271.78" width="0.1524" layer="91"/>
+<junction x="241.3" y="-271.78"/>
 <pinref part="OUT_TP" gate="G$1" pin="TP"/>
-<wire x1="154.94" y1="-304.8" x2="147.32" y2="-304.8" width="0.1524" layer="91"/>
-<junction x="154.94" y="-304.8"/>
+<wire x1="248.92" y1="-271.78" x2="241.3" y2="-271.78" width="0.1524" layer="91"/>
+<junction x="248.92" y="-271.78"/>
 </segment>
 </net>
-<net name="N$3" class="0">
+<net name="CH1_BNC" class="0">
 <segment>
-<pinref part="IN" gate="G$1" pin="TP"/>
-<wire x1="-76.2" y1="66.04" x2="-73.66" y2="66.04" width="0.1524" layer="91"/>
-<wire x1="-73.66" y1="66.04" x2="-71.12" y2="66.04" width="0.1524" layer="91"/>
-<wire x1="-76.2" y1="71.12" x2="-76.2" y2="66.04" width="0.1524" layer="91"/>
-<pinref part="INPUT" gate="." pin="CONDUCTOR"/>
-<wire x1="-78.74" y1="66.04" x2="-76.2" y2="66.04" width="0.1524" layer="91"/>
-<junction x="-76.2" y="66.04"/>
+<pinref part="INPUT/CH1" gate="." pin="CONDUCTOR"/>
+<wire x1="71.12" y1="-124.46" x2="73.66" y2="-124.46" width="0.1524" layer="91"/>
+<wire x1="86.36" y1="-124.46" x2="86.36" y2="-114.3" width="0.1524" layer="91"/>
 <pinref part="R42" gate="G$1" pin="1"/>
 <pinref part="R43" gate="G$1" pin="2"/>
-<wire x1="-73.66" y1="55.88" x2="-73.66" y2="66.04" width="0.1524" layer="91"/>
-<junction x="-73.66" y="66.04"/>
+<pinref part="IN" gate="G$1" pin="TP"/>
+<junction x="86.36" y="-124.46"/>
+<wire x1="73.66" y1="-124.46" x2="86.36" y2="-124.46" width="0.1524" layer="91"/>
+<wire x1="86.36" y1="-124.46" x2="93.98" y2="-124.46" width="0.1524" layer="91"/>
+<wire x1="73.66" y1="-111.76" x2="73.66" y2="-124.46" width="0.1524" layer="91"/>
+<junction x="73.66" y="-124.46"/>
 </segment>
 </net>
 <net name="N$4" class="0">
 <segment>
 <pinref part="R5" gate="G$1" pin="2"/>
 <pinref part="ERROR/CH2" gate="." pin="CONDUCTOR"/>
-<wire x1="45.72" y1="33.02" x2="45.72" y2="5.08" width="0.1524" layer="91"/>
-<wire x1="45.72" y1="5.08" x2="55.88" y2="5.08" width="0.1524" layer="91"/>
+<wire x1="-58.42" y1="-210.82" x2="-73.66" y2="-210.82" width="0.1524" layer="91"/>
 </segment>
 </net>
 <net name="CH3_IN" class="0">
 <segment>
 <pinref part="SWEEP/CH3" gate="." pin="CONDUCTOR"/>
 <pinref part="R23" gate="G$1" pin="1"/>
-<wire x1="2.54" y1="-317.5" x2="5.08" y2="-317.5" width="0.1524" layer="91"/>
-<wire x1="5.08" y1="-317.5" x2="7.62" y2="-317.5" width="0.1524" layer="91"/>
-<wire x1="7.62" y1="-317.5" x2="10.16" y2="-317.5" width="0.1524" layer="91"/>
-<junction x="7.62" y="-317.5"/>
+<wire x1="96.52" y1="-284.48" x2="99.06" y2="-284.48" width="0.1524" layer="91"/>
+<wire x1="99.06" y1="-284.48" x2="101.6" y2="-284.48" width="0.1524" layer="91"/>
+<wire x1="101.6" y1="-284.48" x2="104.14" y2="-284.48" width="0.1524" layer="91"/>
+<junction x="101.6" y="-284.48"/>
 <pinref part="CH3_IN" gate="G$1" pin="TP"/>
-<wire x1="7.62" y1="-312.42" x2="7.62" y2="-317.5" width="0.1524" layer="91"/>
-<label x="-7.62" y="-302.26" size="2.54" layer="95" rot="R180" xref="yes"/>
-<wire x1="5.08" y1="-317.5" x2="5.08" y2="-302.26" width="0.1524" layer="91"/>
-<junction x="5.08" y="-317.5"/>
-<wire x1="5.08" y1="-302.26" x2="-7.62" y2="-302.26" width="0.1524" layer="91"/>
+<wire x1="101.6" y1="-279.4" x2="101.6" y2="-284.48" width="0.1524" layer="91"/>
+<label x="86.36" y="-269.24" size="2.54" layer="95" rot="R180" xref="yes"/>
+<wire x1="99.06" y1="-284.48" x2="99.06" y2="-269.24" width="0.1524" layer="91"/>
+<junction x="99.06" y="-284.48"/>
+<wire x1="99.06" y1="-269.24" x2="86.36" y2="-269.24" width="0.1524" layer="91"/>
 </segment>
 </net>
 <net name="N$12" class="0">
 <segment>
 <pinref part="OFFSET" gate="G$1" pin="3"/>
 <pinref part="R19" gate="G$1" pin="1"/>
-<wire x1="76.2" y1="-360.68" x2="76.2" y2="-358.14" width="0.1524" layer="91"/>
+<wire x1="170.18" y1="-327.66" x2="170.18" y2="-325.12" width="0.1524" layer="91"/>
 </segment>
 </net>
 <net name="N$23" class="0">
 <segment>
 <pinref part="OFFSET" gate="G$1" pin="1"/>
 <pinref part="R20" gate="G$1" pin="2"/>
-<wire x1="76.2" y1="-370.84" x2="76.2" y2="-373.38" width="0.1524" layer="91"/>
+<wire x1="170.18" y1="-337.82" x2="170.18" y2="-340.36" width="0.1524" layer="91"/>
 </segment>
 </net>
 <net name="N$5" class="0">
@@ -2290,54 +2280,54 @@ to make 3 channels preamp</text>
 <segment>
 <pinref part="INV_SW" gate="G$1" pin="3"/>
 <pinref part="R32" gate="G$1" pin="2"/>
-<wire x1="81.28" y1="55.88" x2="81.28" y2="43.18" width="0.1524" layer="91"/>
+<wire x1="-15.24" y1="-223.52" x2="-15.24" y2="-236.22" width="0.1524" layer="91"/>
 </segment>
 </net>
 <net name="N$29" class="0">
 <segment>
 <pinref part="R33" gate="G$1" pin="2"/>
 <pinref part="CH3_AMP" gate="G$1" pin="+IN"/>
-<wire x1="25.4" y1="-325.12" x2="25.4" y2="-322.58" width="0.1524" layer="91"/>
-<wire x1="25.4" y1="-322.58" x2="30.48" y2="-322.58" width="0.1524" layer="91"/>
+<wire x1="119.38" y1="-292.1" x2="119.38" y2="-289.56" width="0.1524" layer="91"/>
+<wire x1="119.38" y1="-289.56" x2="124.46" y2="-289.56" width="0.1524" layer="91"/>
 </segment>
 </net>
 <net name="N$30" class="0">
 <segment>
 <pinref part="OUT_ADD" gate="G$1" pin="+IN"/>
 <pinref part="R34" gate="G$1" pin="2"/>
-<wire x1="124.46" y1="-312.42" x2="124.46" y2="-314.96" width="0.1524" layer="91"/>
+<wire x1="218.44" y1="-279.4" x2="218.44" y2="-281.94" width="0.1524" layer="91"/>
 </segment>
 </net>
 <net name="N$35" class="0">
 <segment>
 <pinref part="CH2_AMP" gate="G$1" pin="+IN"/>
-<wire x1="50.8" y1="-251.46" x2="43.18" y2="-251.46" width="0.1524" layer="91"/>
+<wire x1="144.78" y1="-218.44" x2="137.16" y2="-218.44" width="0.1524" layer="91"/>
 <pinref part="R30" gate="G$1" pin="2"/>
-<wire x1="43.18" y1="-251.46" x2="43.18" y2="-254" width="0.1524" layer="91"/>
+<wire x1="137.16" y1="-218.44" x2="137.16" y2="-220.98" width="0.1524" layer="91"/>
 </segment>
 </net>
 <net name="N$10" class="0">
 <segment>
 <pinref part="FEEDBACK" gate="G$1" pin="3"/>
-<wire x1="93.98" y1="-248.92" x2="96.52" y2="-248.92" width="0.1524" layer="91"/>
-<wire x1="96.52" y1="-248.92" x2="96.52" y2="-304.8" width="0.1524" layer="91"/>
+<wire x1="187.96" y1="-215.9" x2="190.5" y2="-215.9" width="0.1524" layer="91"/>
+<wire x1="190.5" y1="-215.9" x2="190.5" y2="-271.78" width="0.1524" layer="91"/>
 <pinref part="R17" gate="G$1" pin="2"/>
 <pinref part="R36" gate="G$1" pin="1"/>
-<wire x1="96.52" y1="-304.8" x2="96.52" y2="-314.96" width="0.1524" layer="91"/>
-<wire x1="99.06" y1="-304.8" x2="96.52" y2="-304.8" width="0.1524" layer="91"/>
-<junction x="96.52" y="-304.8"/>
+<wire x1="190.5" y1="-271.78" x2="190.5" y2="-281.94" width="0.1524" layer="91"/>
+<wire x1="193.04" y1="-271.78" x2="190.5" y2="-271.78" width="0.1524" layer="91"/>
+<junction x="190.5" y="-271.78"/>
 </segment>
 </net>
 <net name="N$8" class="0">
 <segment>
 <pinref part="FEEDBACK" gate="G$1" pin="1"/>
 <pinref part="R18" gate="G$1" pin="2"/>
-<wire x1="83.82" y1="-320.04" x2="88.9" y2="-320.04" width="0.1524" layer="91"/>
+<wire x1="177.8" y1="-287.02" x2="182.88" y2="-287.02" width="0.1524" layer="91"/>
 <pinref part="R35" gate="G$1" pin="1"/>
-<wire x1="88.9" y1="-320.04" x2="96.52" y2="-320.04" width="0.1524" layer="91"/>
-<wire x1="99.06" y1="-332.74" x2="88.9" y2="-332.74" width="0.1524" layer="91"/>
-<wire x1="88.9" y1="-332.74" x2="88.9" y2="-320.04" width="0.1524" layer="91"/>
-<junction x="88.9" y="-320.04"/>
+<wire x1="182.88" y1="-287.02" x2="190.5" y2="-287.02" width="0.1524" layer="91"/>
+<wire x1="193.04" y1="-299.72" x2="182.88" y2="-299.72" width="0.1524" layer="91"/>
+<wire x1="182.88" y1="-299.72" x2="182.88" y2="-287.02" width="0.1524" layer="91"/>
+<junction x="182.88" y="-287.02"/>
 </segment>
 </net>
 <net name="N$34" class="0">
@@ -2355,37 +2345,15 @@ to make 3 channels preamp</text>
 <wire x1="266.7" y1="58.42" x2="274.32" y2="58.42" width="0.1524" layer="91"/>
 </segment>
 </net>
-<net name="N$36" class="0">
-<segment>
-<pinref part="R15" gate="G$1" pin="1"/>
-<wire x1="81.28" y1="68.58" x2="83.82" y2="68.58" width="0.1524" layer="91"/>
-<pinref part="INV_SW" gate="G$1" pin="1"/>
-<wire x1="81.28" y1="60.96" x2="81.28" y2="68.58" width="0.1524" layer="91"/>
-<junction x="81.28" y="68.58"/>
-<pinref part="R3" gate="G$1" pin="2"/>
-<wire x1="27.94" y1="88.9" x2="38.1" y2="88.9" width="0.1524" layer="91"/>
-<wire x1="38.1" y1="88.9" x2="38.1" y2="68.58" width="0.1524" layer="91"/>
-<junction x="38.1" y="68.58"/>
-<pinref part="V_ERROR" gate="G$1" pin="OUT"/>
-<wire x1="30.48" y1="68.58" x2="38.1" y2="68.58" width="0.1524" layer="91"/>
-<wire x1="81.28" y1="68.58" x2="45.72" y2="68.58" width="0.1524" layer="91"/>
-<pinref part="V_ERR" gate="G$1" pin="TP"/>
-<wire x1="45.72" y1="68.58" x2="38.1" y2="68.58" width="0.1524" layer="91"/>
-<wire x1="45.72" y1="71.12" x2="45.72" y2="68.58" width="0.1524" layer="91"/>
-<junction x="45.72" y="68.58"/>
-<pinref part="R5" gate="G$1" pin="1"/>
-<wire x1="45.72" y1="43.18" x2="45.72" y2="68.58" width="0.1524" layer="91"/>
-</segment>
-</net>
 <net name="CH2_IN" class="0">
 <segment>
 <pinref part="R14" gate="G$1" pin="1"/>
-<wire x1="7.62" y1="-246.38" x2="12.7" y2="-246.38" width="0.1524" layer="91"/>
-<label x="7.62" y="-246.38" size="2.54" layer="95" rot="R180" xref="yes"/>
+<wire x1="101.6" y1="-213.36" x2="106.68" y2="-213.36" width="0.1524" layer="91"/>
+<label x="101.6" y="-213.36" size="2.54" layer="95" rot="R180" xref="yes"/>
 <pinref part="CH2_IN" gate="G$1" pin="TP"/>
-<wire x1="12.7" y1="-246.38" x2="35.56" y2="-246.38" width="0.1524" layer="91"/>
-<wire x1="12.7" y1="-238.76" x2="12.7" y2="-246.38" width="0.1524" layer="91"/>
-<junction x="12.7" y="-246.38"/>
+<wire x1="106.68" y1="-213.36" x2="129.54" y2="-213.36" width="0.1524" layer="91"/>
+<wire x1="106.68" y1="-205.74" x2="106.68" y2="-213.36" width="0.1524" layer="91"/>
+<junction x="106.68" y="-213.36"/>
 </segment>
 <segment>
 <pinref part="R37" gate="G$1" pin="1"/>
@@ -2399,101 +2367,105 @@ to make 3 channels preamp</text>
 </segment>
 <segment>
 <pinref part="R38" gate="G$1" pin="2"/>
-<wire x1="116.84" y1="-7.62" x2="116.84" y2="-17.78" width="0.1524" layer="91"/>
-<wire x1="116.84" y1="-17.78" x2="139.7" y2="-17.78" width="0.1524" layer="91"/>
-<label x="139.7" y="-17.78" size="1.778" layer="95" xref="yes"/>
+<wire x1="66.04" y1="-213.36" x2="68.58" y2="-213.36" width="0.1524" layer="91"/>
+<label x="68.58" y="-213.36" size="2.54" layer="95" xref="yes"/>
 </segment>
 </net>
 <net name="CH1_GAIN" class="0">
 <segment>
 <pinref part="R39" gate="G$1" pin="2"/>
 <pinref part="CH1_AMP" gate="G$1" pin="-IN"/>
-<wire x1="43.18" y1="-157.48" x2="45.72" y2="-157.48" width="0.1524" layer="91"/>
-<wire x1="45.72" y1="-157.48" x2="48.26" y2="-157.48" width="0.1524" layer="91"/>
-<wire x1="45.72" y1="-157.48" x2="45.72" y2="-121.92" width="0.1524" layer="91"/>
-<junction x="45.72" y="-157.48"/>
+<wire x1="137.16" y1="-124.46" x2="139.7" y2="-124.46" width="0.1524" layer="91"/>
+<wire x1="139.7" y1="-124.46" x2="142.24" y2="-124.46" width="0.1524" layer="91"/>
+<wire x1="139.7" y1="-124.46" x2="139.7" y2="-88.9" width="0.1524" layer="91"/>
+<junction x="139.7" y="-124.46"/>
 <pinref part="CH1_GAIN" gate="G$1" pin="1"/>
-<wire x1="50.8" y1="-121.92" x2="45.72" y2="-121.92" width="0.1524" layer="91"/>
+<wire x1="144.78" y1="-88.9" x2="139.7" y2="-88.9" width="0.1524" layer="91"/>
 </segment>
 </net>
 <net name="N$16" class="0">
 <segment>
 <pinref part="CH1_GAIN" gate="G$1" pin="2"/>
-<wire x1="55.88" y1="-121.92" x2="55.88" y2="-127" width="0.1524" layer="91"/>
-<wire x1="55.88" y1="-127" x2="73.66" y2="-127" width="0.1524" layer="91"/>
+<wire x1="149.86" y1="-88.9" x2="149.86" y2="-93.98" width="0.1524" layer="91"/>
+<wire x1="149.86" y1="-93.98" x2="167.64" y2="-93.98" width="0.1524" layer="91"/>
 <pinref part="CH1_AMP" gate="G$1" pin="OUT"/>
-<wire x1="73.66" y1="-127" x2="73.66" y2="-160.02" width="0.1524" layer="91"/>
-<wire x1="73.66" y1="-160.02" x2="63.5" y2="-160.02" width="0.1524" layer="91"/>
+<wire x1="167.64" y1="-93.98" x2="167.64" y2="-127" width="0.1524" layer="91"/>
+<wire x1="167.64" y1="-127" x2="157.48" y2="-127" width="0.1524" layer="91"/>
 <pinref part="R40" gate="G$1" pin="1"/>
-<wire x1="81.28" y1="-160.02" x2="78.74" y2="-160.02" width="0.1524" layer="91"/>
-<junction x="73.66" y="-160.02"/>
+<wire x1="175.26" y1="-127" x2="172.72" y2="-127" width="0.1524" layer="91"/>
+<junction x="167.64" y="-127"/>
 <pinref part="CH1_OUT" gate="G$1" pin="TP"/>
-<wire x1="78.74" y1="-160.02" x2="73.66" y2="-160.02" width="0.1524" layer="91"/>
-<wire x1="78.74" y1="-157.48" x2="78.74" y2="-160.02" width="0.1524" layer="91"/>
-<junction x="78.74" y="-160.02"/>
+<wire x1="172.72" y1="-127" x2="167.64" y2="-127" width="0.1524" layer="91"/>
+<wire x1="172.72" y1="-124.46" x2="172.72" y2="-127" width="0.1524" layer="91"/>
+<junction x="172.72" y="-127"/>
 </segment>
 </net>
 <net name="N$20" class="0">
 <segment>
 <pinref part="CH1_AMP" gate="G$1" pin="+IN"/>
-<wire x1="48.26" y1="-162.56" x2="40.64" y2="-162.56" width="0.1524" layer="91"/>
+<wire x1="142.24" y1="-129.54" x2="134.62" y2="-129.54" width="0.1524" layer="91"/>
 <pinref part="R41" gate="G$1" pin="2"/>
-<wire x1="40.64" y1="-162.56" x2="40.64" y2="-165.1" width="0.1524" layer="91"/>
+<wire x1="134.62" y1="-129.54" x2="134.62" y2="-132.08" width="0.1524" layer="91"/>
 </segment>
 </net>
 <net name="CH1_IN" class="0">
 <segment>
+<pinref part="R43" gate="G$1" pin="1"/>
+<wire x1="104.14" y1="-124.46" x2="111.76" y2="-124.46" width="0.1524" layer="91"/>
+<wire x1="111.76" y1="-124.46" x2="111.76" y2="-106.68" width="0.1524" layer="91"/>
+<label x="111.76" y="-106.68" size="2.54" layer="95" rot="R180" xref="yes"/>
+<junction x="111.76" y="-124.46"/>
 <pinref part="R39" gate="G$1" pin="1"/>
-<wire x1="5.08" y1="-157.48" x2="10.16" y2="-157.48" width="0.1524" layer="91"/>
-<pinref part="CH1/DITHER_IN" gate="G$1" pin="1"/>
-<wire x1="10.16" y1="-157.48" x2="33.02" y2="-157.48" width="0.1524" layer="91"/>
-<wire x1="-12.7" y1="-165.1" x2="5.08" y2="-165.1" width="0.1524" layer="91"/>
-<wire x1="5.08" y1="-165.1" x2="5.08" y2="-157.48" width="0.1524" layer="91"/>
-<label x="5.08" y="-157.48" size="2.54" layer="95" rot="R180" xref="yes"/>
 <pinref part="CH1_IN" gate="G$1" pin="TP"/>
-<wire x1="10.16" y1="-152.4" x2="10.16" y2="-157.48" width="0.1524" layer="91"/>
-<junction x="10.16" y="-157.48"/>
+<wire x1="111.76" y1="-124.46" x2="119.38" y2="-124.46" width="0.1524" layer="91"/>
+<wire x1="119.38" y1="-124.46" x2="127" y2="-124.46" width="0.1524" layer="91"/>
+<wire x1="119.38" y1="-116.84" x2="119.38" y2="-124.46" width="0.1524" layer="91"/>
+<junction x="119.38" y="-124.46"/>
 </segment>
 <segment>
-<pinref part="R43" gate="G$1" pin="1"/>
-<wire x1="-73.66" y1="45.72" x2="-73.66" y2="30.48" width="0.1524" layer="91"/>
-<wire x1="-73.66" y1="30.48" x2="-66.04" y2="30.48" width="0.1524" layer="91"/>
-<label x="-66.04" y="30.48" size="2.54" layer="95" xref="yes"/>
+<pinref part="CH1/DITHER_IN" gate="G$1" pin="1"/>
+<wire x1="0" y1="-106.68" x2="7.62" y2="-106.68" width="0.1524" layer="91"/>
+<label x="7.62" y="-106.68" size="2.54" layer="95" xref="yes"/>
 </segment>
 </net>
 <net name="N$31" class="0">
 <segment>
 <pinref part="OUT_ADD" gate="G$1" pin="-IN"/>
-<wire x1="114.3" y1="-307.34" x2="119.38" y2="-307.34" width="0.1524" layer="91"/>
-<junction x="114.3" y="-307.34"/>
-<wire x1="119.38" y1="-307.34" x2="124.46" y2="-307.34" width="0.1524" layer="91"/>
-<wire x1="114.3" y1="-317.5" x2="114.3" y2="-307.34" width="0.1524" layer="91"/>
-<junction x="114.3" y="-317.5"/>
+<wire x1="208.28" y1="-274.32" x2="213.36" y2="-274.32" width="0.1524" layer="91"/>
+<junction x="208.28" y="-274.32"/>
+<wire x1="213.36" y1="-274.32" x2="218.44" y2="-274.32" width="0.1524" layer="91"/>
+<wire x1="208.28" y1="-284.48" x2="208.28" y2="-274.32" width="0.1524" layer="91"/>
+<junction x="208.28" y="-284.48"/>
 <pinref part="FEEDBACK" gate="G$1" pin="2"/>
-<wire x1="106.68" y1="-317.5" x2="109.22" y2="-317.5" width="0.1524" layer="91"/>
+<wire x1="200.66" y1="-284.48" x2="203.2" y2="-284.48" width="0.1524" layer="91"/>
 <pinref part="R36" gate="G$1" pin="2"/>
-<wire x1="109.22" y1="-304.8" x2="109.22" y2="-317.5" width="0.1524" layer="91"/>
-<junction x="109.22" y="-317.5"/>
+<wire x1="203.2" y1="-271.78" x2="203.2" y2="-284.48" width="0.1524" layer="91"/>
+<junction x="203.2" y="-284.48"/>
 <pinref part="R35" gate="G$1" pin="2"/>
-<wire x1="109.22" y1="-332.74" x2="109.22" y2="-317.5" width="0.1524" layer="91"/>
-<wire x1="109.22" y1="-317.5" x2="114.3" y2="-317.5" width="0.1524" layer="91"/>
-<wire x1="114.3" y1="-365.76" x2="114.3" y2="-317.5" width="0.1524" layer="91"/>
+<wire x1="203.2" y1="-299.72" x2="203.2" y2="-284.48" width="0.1524" layer="91"/>
+<wire x1="203.2" y1="-284.48" x2="208.28" y2="-284.48" width="0.1524" layer="91"/>
+<wire x1="208.28" y1="-332.74" x2="208.28" y2="-284.48" width="0.1524" layer="91"/>
 <pinref part="R21" gate="G$1" pin="2"/>
-<wire x1="106.68" y1="-365.76" x2="114.3" y2="-365.76" width="0.1524" layer="91"/>
+<wire x1="200.66" y1="-332.74" x2="208.28" y2="-332.74" width="0.1524" layer="91"/>
 <pinref part="R40" gate="G$1" pin="2"/>
-<wire x1="91.44" y1="-160.02" x2="114.3" y2="-160.02" width="0.1524" layer="91"/>
-<wire x1="114.3" y1="-160.02" x2="114.3" y2="-307.34" width="0.1524" layer="91"/>
-<wire x1="124.46" y1="-279.4" x2="119.38" y2="-279.4" width="0.1524" layer="91"/>
-<wire x1="119.38" y1="-279.4" x2="119.38" y2="-307.34" width="0.1524" layer="91"/>
-<junction x="119.38" y="-307.34"/>
+<wire x1="185.42" y1="-127" x2="208.28" y2="-127" width="0.1524" layer="91"/>
+<wire x1="208.28" y1="-127" x2="208.28" y2="-274.32" width="0.1524" layer="91"/>
+<wire x1="218.44" y1="-246.38" x2="213.36" y2="-246.38" width="0.1524" layer="91"/>
+<wire x1="213.36" y1="-246.38" x2="213.36" y2="-274.32" width="0.1524" layer="91"/>
+<junction x="213.36" y="-274.32"/>
 <pinref part="R22" gate="G$1" pin="1"/>
 </segment>
 </net>
-<net name="N$32" class="0">
+<net name="PI_IN" class="0">
 <segment>
-<pinref part="BUFFER" gate="G$1" pin="+IN"/>
-<wire x1="-60.96" y1="66.04" x2="-53.34" y2="66.04" width="0.1524" layer="91"/>
+<wire x1="86.36" y1="-104.14" x2="86.36" y2="-58.42" width="0.1524" layer="91"/>
 <pinref part="R42" gate="G$1" pin="2"/>
+<label x="86.36" y="-58.42" size="2.54" layer="95" xref="yes"/>
+</segment>
+<segment>
+<pinref part="BUFFER" gate="G$1" pin="+IN"/>
+<wire x1="-66.04" y1="66.04" x2="-53.34" y2="66.04" width="0.1524" layer="91"/>
+<label x="-66.04" y="66.04" size="2.54" layer="95" rot="R180" xref="yes"/>
 </segment>
 </net>
 <net name="N$37" class="0">
@@ -2508,6 +2480,64 @@ to make 3 channels preamp</text>
 <junction x="-55.88" y="91.44"/>
 </segment>
 </net>
+<net name="CH2_INV_IN" class="0">
+<segment>
+<pinref part="R15" gate="G$1" pin="1"/>
+<wire x1="-15.24" y1="-210.82" x2="-12.7" y2="-210.82" width="0.1524" layer="91"/>
+<pinref part="INV_SW" gate="G$1" pin="1"/>
+<wire x1="-15.24" y1="-218.44" x2="-15.24" y2="-210.82" width="0.1524" layer="91"/>
+<junction x="-15.24" y="-210.82"/>
+<wire x1="-15.24" y1="-210.82" x2="-27.94" y2="-210.82" width="0.1524" layer="91"/>
+<junction x="-27.94" y="-210.82"/>
+<pinref part="R5" gate="G$1" pin="1"/>
+<wire x1="-48.26" y1="-210.82" x2="-27.94" y2="-210.82" width="0.1524" layer="91"/>
+<wire x1="-27.94" y1="-210.82" x2="-27.94" y2="-180.34" width="0.1524" layer="91"/>
+<wire x1="-27.94" y1="-180.34" x2="-30.48" y2="-180.34" width="0.1524" layer="91"/>
+<label x="-30.48" y="-180.34" size="2.54" layer="95" rot="R180" xref="yes"/>
+</segment>
+<segment>
+<pinref part="R3" gate="G$1" pin="2"/>
+<wire x1="27.94" y1="88.9" x2="38.1" y2="88.9" width="0.1524" layer="91"/>
+<wire x1="38.1" y1="88.9" x2="38.1" y2="68.58" width="0.1524" layer="91"/>
+<junction x="38.1" y="68.58"/>
+<pinref part="V_ERROR" gate="G$1" pin="OUT"/>
+<wire x1="30.48" y1="68.58" x2="38.1" y2="68.58" width="0.1524" layer="91"/>
+<wire x1="63.5" y1="68.58" x2="50.8" y2="68.58" width="0.1524" layer="91"/>
+<label x="63.5" y="68.58" size="2.54" layer="95" xref="yes"/>
+<wire x1="50.8" y1="68.58" x2="38.1" y2="68.58" width="0.1524" layer="91"/>
+<wire x1="50.8" y1="76.2" x2="50.8" y2="68.58" width="0.1524" layer="91"/>
+<junction x="50.8" y="68.58"/>
+<pinref part="V_ERR" gate="G$1" pin="TP"/>
+</segment>
+</net>
+<net name="CH2_INV_OUT" class="0">
+<segment>
+<pinref part="ERR_INV" gate="G$1" pin="OUT"/>
+<pinref part="R16" gate="G$1" pin="2"/>
+<wire x1="12.7" y1="-190.5" x2="30.48" y2="-190.5" width="0.1524" layer="91"/>
+<wire x1="30.48" y1="-190.5" x2="30.48" y2="-213.36" width="0.1524" layer="91"/>
+<wire x1="30.48" y1="-213.36" x2="17.78" y2="-213.36" width="0.1524" layer="91"/>
+<junction x="30.48" y="-213.36"/>
+<wire x1="30.48" y1="-213.36" x2="33.02" y2="-213.36" width="0.1524" layer="91"/>
+<pinref part="E_INV" gate="G$1" pin="TP"/>
+<junction x="33.02" y="-213.36"/>
+<wire x1="33.02" y1="-213.36" x2="53.34" y2="-213.36" width="0.1524" layer="91"/>
+<junction x="53.34" y="-213.36"/>
+<pinref part="R38" gate="G$1" pin="1"/>
+<wire x1="55.88" y1="-213.36" x2="53.34" y2="-213.36" width="0.1524" layer="91"/>
+<wire x1="53.34" y1="-213.36" x2="53.34" y2="-190.5" width="0.1524" layer="91"/>
+<label x="53.34" y="-190.5" size="2.54" layer="95" xref="yes"/>
+</segment>
+<segment>
+<wire x1="129.54" y1="27.94" x2="129.54" y2="66.04" width="0.1524" layer="91"/>
+<wire x1="129.54" y1="66.04" x2="147.32" y2="66.04" width="0.1524" layer="91"/>
+<pinref part="R4" gate="G$1" pin="1"/>
+<pinref part="P_GAIN" gate="G$1" pin="3"/>
+<wire x1="160.02" y1="15.24" x2="160.02" y2="27.94" width="0.1524" layer="91"/>
+<wire x1="160.02" y1="27.94" x2="129.54" y2="27.94" width="0.1524" layer="91"/>
+<label x="129.54" y="66.04" size="2.54" layer="95" rot="R180" xref="yes"/>
+</segment>
+</net>
 </nets>
 </sheet>
 </sheets>
-- 
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