Version 4
SHEET 1 1124 868
WIRE 432 -128 368 -128
WIRE 432 -96 432 -128
WIRE 432 16 432 -16
WIRE -176 32 -176 0
WIRE 272 80 272 32
WIRE 368 80 368 -128
WIRE -176 128 -176 112
WIRE 112 128 -176 128
WIRE 512 144 480 144
WIRE -176 176 -176 128
WIRE 112 192 32 192
WIRE 112 224 32 224
WIRE 512 224 512 144
WIRE 512 224 480 224
WIRE 624 224 512 224
WIRE 656 224 624 224
WIRE 112 256 80 256
WIRE 624 256 624 224
WIRE 80 288 80 256
WIRE 512 304 480 304
WIRE -176 320 -176 256
WIRE 112 320 -176 320
WIRE -176 336 -176 320
WIRE 512 368 512 304
WIRE 624 368 624 336
WIRE 272 416 272 368
WIRE -176 432 -176 416
WIRE 368 432 368 368
WIRE 368 544 368 512
WIRE -176 608 -176 576
WIRE 224 608 224 576
WIRE -176 720 -176 688
WIRE 224 720 224 688
FLAG -176 432 0
FLAG -176 0 0
FLAG 80 288 0
FLAG 512 368 0
FLAG 624 368 0
FLAG 656 224 OUT
FLAG 432 16 0
FLAG 368 544 0
FLAG 272 32 O1
FLAG 272 416 O2
FLAG 224 720 0
FLAG -176 720 0
FLAG -176 576 A1
FLAG 224 576 A0
FLAG 32 192 A1
FLAG 32 224 A0
SYMBOL res -192 320 R0
SYMATTR InstName R1
SYMATTR Value 100k
SYMBOL res -192 16 R0
SYMATTR InstName R2
SYMATTR Value 100k
SYMBOL Misc\\signal -176 272 R180
WINDOW 0 24 104 Left 0
WINDOW 3 24 16 Left 0
SYMATTR InstName V1
SYMBOL voltage 432 -112 R0
WINDOW 3 15 97 Left 0
SYMATTR Value +15V
SYMATTR InstName V2
SYMBOL res 608 240 R0
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL voltage 368 416 R0
SYMATTR InstName V3
SYMATTR Value -15V
SYMBOL voltage 224 592 R0
SYMATTR InstName V4
SYMATTR Value PULSE(0 3 4.25m 5n 5n 4m 8m)
SYMBOL voltage -176 592 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V5
SYMATTR Value PULSE(0 3 8.25m 5n 5n 8m 16m)
SYMBOL Miscel\\Pga206_207 128 240 R0
SYMATTR InstName U2
SYMATTR SpiceModel PGA207
TEXT -184 -120 Left 0 !.tran 0 16ms 0 1u
TEXT -184 -88 Left 0 !.options plotwinsize=0
TEXT -176 -184 Left 0 ;Programmable Gain Instrumentation Amplifier
TEXT -64 560 Left 0 ;Digital Gain Control
TEXT -184 -56 Left 0 ;.options method=gear