From a59208f96b48ca851c2038e1475d662b80ec27d2 Mon Sep 17 00:00:00 2001 From: Eugeniy Mikhailov Date: Tue, 8 Jul 2014 22:09:57 -0400 Subject: lock in updates from Owen --- LockInAmp_v2014/LockInAmp_v1.sch | 2317 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 2317 insertions(+) create mode 100644 LockInAmp_v2014/LockInAmp_v1.sch (limited to 'LockInAmp_v2014/LockInAmp_v1.sch') diff --git a/LockInAmp_v2014/LockInAmp_v1.sch b/LockInAmp_v2014/LockInAmp_v1.sch new file mode 100644 index 0000000..8b8c705 --- /dev/null +++ b/LockInAmp_v2014/LockInAmp_v1.sch @@ -0,0 +1,2317 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +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 +GND + + + + + + + + + + + + + + + + + + + + + + + + +>NAME +>VALUE +1 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +>NAME +>VALUE + + + + + + + + + +>NAME + + + + + +Test point through hole + + + + + + + + + + + + + + + + + + + + + + + + + + + + +>NAME +>VALUE +2 + + + + + + + + + + + +1 +3 + + + + + + +>NAME + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +>NAME +>VALUE + + + + + + + + + + + + + + + + + + + + + + + + + + + +>NAME +>VALUE + + + + + + + +Off board trimmer + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +>NAME +>VALUE +2 + + + + + + + + + + + +1 +3 + + + + + + + + + + + + + +>NAME +>VALUE + + + + + + + +Off board switch + + + + + + + + + + + + + + + + + + + + + +<b>BNC, PCB, vertical</b>, Amp, e.g. isolated 5227222-6, nut 1-329631-2, lock washer 1-329632-2.<br> +Non-isolated use conn 5227673-1, nut 1-329631-2, lock washer 1-329632-2, shoulder washer 330620.<br> +http://www.tycoelectronics.com + + + + + + + + + + + + + + + + + + + +>NAME +>VALUE + + +<b>BNC PCB <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 + + + 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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 becalibrated + 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 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 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