From 779076218d8b280fd39be2054808cc64caeb1586 Mon Sep 17 00:00:00 2001 From: Eugeniy Mikhailov Date: Thu, 17 Jul 2014 16:03:00 -0400 Subject: Project renamed for better history tracking --- LockInAmp_2014_Owen_v1/LockInAmp_v1.sch | 2331 +++++++++++++++++++++++++++++++ 1 file changed, 2331 insertions(+) create mode 100644 LockInAmp_2014_Owen_v1/LockInAmp_v1.sch (limited to 'LockInAmp_2014_Owen_v1/LockInAmp_v1.sch') diff --git a/LockInAmp_2014_Owen_v1/LockInAmp_v1.sch b/LockInAmp_2014_Owen_v1/LockInAmp_v1.sch new file mode 100644 index 0000000..8f34463 --- /dev/null +++ b/LockInAmp_2014_Owen_v1/LockInAmp_v1.sch @@ -0,0 +1,2331 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +AD630 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +<b>Dual In Line Package</b> + + + + + + + + + + + + + + +>NAME +>VALUE + + +<b>Small Outline Package 8</b><br> +NS Package M08A + + + + + + + + + + + + + + + + + + + +>NAME +>VALUE + + + + + + + + + + + + + + + + + + + + + + + + + + +>NAME +>VALUE +V+ +V- + + + + + + + + + +Simplified OpAmp similar to OPA27 but with invisible optional pins + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +>NAME +>VALUE + + + + + + + + + + + + + + + + + + + +>NAME +>VALUE + + + + + + + + + + + + + + + + + + + + + +>NAME +>VALUE + + + + + + + + + + + + + + + + +>NAME +>VALUE + + + + + + +>NAME +>VALUE + + + + + + + + + + + +>NAME +>VALUE + + + + + + + + + + +Resistor SMD 1206 + + + + + + + + + + + + + + + + +Capacitor SMD0805 + + + + + + + + + + + + + + + + +Polarized capacitor SMD 1206 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +>NAME +>VALUE +G + + + + + + + + + + + + + + + + + + + + + + + + + + + +>NAME +>VALUE +1 +GND + + + + + + + + +TE connnector + +part 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<u>Horizontal</u> mount connector</b>, Amp, horizontal, 0.1" grid, types such as 227677-1.<br> +Don't forget the nut 1-329631-2 and maybe the shoulder washer 330620.<br> +Now with new & improved mtg holes compared to ...TYPE2...!<br> +The section of the BNC hanging over the edge of the PCB is in layer 49 (Reference).<br> +http://catalog.tycoelectronics.com/TE/bin/TE.Connect?C=1&PN=227677-1&M=STARTSWITH&LG=1&I=13&button.x=0&button.y=0 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +>NAME +>VALUE + + + + + + + + + + + + + +>NAME +>VALUE +BNC + + + + + + + +<b>BNC PCB, horizontal or vertical</b>, e.g. vertical: Amp 227677-1, nut 1-329631-2, shoulder washer 330620.<br> +The two shield connections allow the assembly on either side of the board.<br> +Horiz isolated: 5227222-6, http://catalog.tycoelectronics.com/TE/bin/TE.Connect?C=1&M=BYPN&TCPN=5227222-6&RQPN=5227222-6 +http://catalog.tycoelectronics.com/TE/bin/TE.Connect?C=1&PN=227677-1&M=STARTSWITH&LG=1&I=13&button.x=0&button.y=0<br> +http://catalog.tycoelectronics.com/TE/bin/TE.Connect?C=1&M=BYPN&PID=4946&PN=227673-1&I=13 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +>VALUE + + + + + + + + + + +>VALUE + + + + + + +>VALUE + + + + + +<b>SUPPLY SYMBOL</b> + + + + + + + + + + + + +<b>SUPPLY SYMBOL</b> + + + + + + + + + + + + +<b>SUPPLY SYMBOL</b> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +Input Buffer + + + + +Pre-Amplifier +Pre-Amplifier +All-Pass Amplifier (tuned for 1 kHz fre+quency) +Inverter +Demodulator +Low-Pass Filter/Integrator +Output Buffer +Power Supply +Should add voltage divider to regulate voltage into demodulator and either add buffer or change resistor values in integrator to follow rule of 10 + + + + + + + + + + +Choose either the Offset Adder or the High Pass filter, Both Will cause the TTL signal to cross zero. +Power De-Coupling + + + + + + + + +High Pass Filter (AC coupling) +Offset Adder +PI/2 phase Shifter/ ALL Pass Filter +TTL Conditioning + + + + +This Section Should Be on the Digital Ground Plane + + + + + + + +Filter 1 +Filter 2 +Resistors should be large to prevent offsets + + + + + + + + +High Pass +Low Pass + +AD630 Balanced Modulator/Demodulator + + + + +De-Coupling Capacitors +(optional) +Min gain =1 +Max Gain = 10 or 100 +Gain= 1 or 10 +Phase Must be calibrated + to pi/2 by user +R25=R26 +R7=R2 +R3=R4 +Resistors in filter should increase by a factor of 10 going left to right +OP amps in this Section can Be LM741s +OP amps should be OP27s Unless noted otherwise +Note that some capacitors are polar +2 power connectors to allow daisy chaining +Demodulator selects gains of +/- 2 +R20=9*R18 +100k Pot +100k Pot +Lock-In amplifier +Designed by Owen Wolfe and Eugeniy Mikhailov +July 2014 v1 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 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