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 #640456-3 >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 >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 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 Lock-In amplifier Designed by Owen Wolfe and Eugeniy Mikhailov July 2014 v1 Since Version 6.2.2 text objects can contain more than one line, which will not be processed correctly with this version.