Version 4
SHEET 1 2864 1448
WIRE -992 144 -1136 144
WIRE -848 144 -912 144
WIRE -1056 224 -1072 224
WIRE -896 224 -976 224
WIRE -896 240 -896 224
WIRE -1072 304 -1072 224
WIRE -848 320 -848 144
WIRE -800 320 -848 320
WIRE -752 320 -800 320
WIRE -704 320 -752 320
WIRE -560 320 -656 320
WIRE -800 352 -800 320
WIRE -656 352 -656 320
WIRE -560 352 -560 320
WIRE -1248 368 -1376 368
WIRE -1136 368 -1136 144
WIRE -1136 368 -1168 368
WIRE -1104 368 -1136 368
WIRE -848 368 -848 320
WIRE -848 368 -944 368
WIRE -704 368 -704 320
WIRE -1376 384 -1376 368
WIRE -1248 432 -1280 432
WIRE -1136 432 -1168 432
WIRE -1104 432 -1136 432
WIRE -848 432 -944 432
WIRE -1280 464 -1280 432
WIRE -848 464 -848 432
WIRE -800 464 -800 432
WIRE -800 464 -848 464
WIRE -752 464 -800 464
WIRE -704 464 -704 416
WIRE -704 464 -752 464
WIRE -656 464 -656 432
WIRE -560 464 -560 432
WIRE -1376 496 -1376 464
WIRE -976 496 -1040 496
WIRE -880 496 -896 496
WIRE -880 512 -880 496
WIRE -1072 576 -1072 496
WIRE -1056 576 -1072 576
WIRE -912 576 -976 576
WIRE -912 592 -912 576
WIRE -1136 672 -1136 432
WIRE -992 672 -1136 672
WIRE -848 672 -848 464
WIRE -848 672 -912 672
FLAG -560 320 OUT_DIFF
FLAG -880 512 0
FLAG -896 240 0
FLAG -912 592 0
FLAG -1280 464 0
FLAG -1376 368 IN
FLAG -1376 496 0
FLAG -656 464 0
FLAG -560 464 0
FLAG -752 320 OUT-
FLAG -752 464 OUT+
SYMBOL res -816 336 R0
SYMATTR InstName RL
SYMATTR Value 1k
SYMBOL g -656 336 R0
SYMATTR InstName G1
SYMATTR Value -1m
SYMBOL res -576 336 R0
SYMATTR InstName R3
SYMATTR Value 1k
SYMBOL voltage -992 496 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 -32 56 VBottom 2
SYMATTR InstName Vocm
SYMATTR Value 0
SYMBOL voltage -1072 224 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 -32 56 VBottom 2
SYMATTR InstName VS1
SYMATTR Value 5
SYMBOL voltage -1072 576 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 -32 56 VBottom 2
SYMATTR InstName VS2
SYMATTR Value -5
SYMBOL voltage -1376 368 R0
WINDOW 0 78 44 Right 2
WINDOW 3 -108 -45 Left 2
WINDOW 123 90 88 Right 2
WINDOW 39 0 0 Left 0
SYMATTR InstName Vin
SYMATTR Value SINE(0 50m 100k)
SYMBOL res -1152 416 R90
WINDOW 0 65 57 VBottom 2
WINDOW 3 65 58 VTop 2
SYMATTR InstName RG1
SYMATTR Value 1k
SYMBOL res -896 656 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName RF1
SYMATTR Value 1k
SYMBOL res -1152 352 R90
WINDOW 0 -26 54 VBottom 2
WINDOW 3 -28 55 VTop 2
SYMATTR InstName RG2
SYMATTR Value 1k
SYMBOL res -896 128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 36 57 VTop 2
SYMATTR InstName RF2
SYMATTR Value 1k
SYMBOL AD8137 -1072 400 R0
SYMATTR InstName U1
TEXT -1416 272 Left 2 !.tran 20u