Version 4
SHEET 1 880 680
WIRE 64 96 -368 96
WIRE 240 96 240 64
WIRE 272 96 240 96
WIRE -368 128 -368 96
WIRE -112 144 -192 144
WIRE 64 144 -32 144
WIRE 272 144 240 144
WIRE 432 144 432 112
WIRE 576 144 576 112
WIRE -192 192 -192 144
WIRE 64 192 -192 192
WIRE 368 192 240 192
WIRE 0 240 -64 240
WIRE 64 240 0 240
WIRE 272 240 240 240
WIRE 368 272 368 192
WIRE 432 272 432 224
WIRE 576 272 576 224
WIRE -368 288 -368 208
WIRE -144 320 -144 240
FLAG -368 288 0
FLAG 272 96 V+
IOPIN 272 96 In
FLAG 272 240 V-
IOPIN 272 240 In
FLAG 432 272 0
FLAG 576 272 0
FLAG 432 112 V+
IOPIN 432 112 Out
FLAG 576 112 V-
IOPIN 576 112 Out
FLAG 272 144 out
IOPIN 272 144 Out
FLAG 368 272 0
FLAG 0 320 0
FLAG -144 320 V+
IOPIN -144 320 In
SYMBOL INA126P 112 112 R0
SYMATTR InstName U1
SYMBOL res -16 128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 845
SYMBOL voltage -368 112 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 350m
SYMBOL voltage 432 128 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 12
SYMBOL voltage 576 128 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value -12
SYMBOL res -16 224 R0
SYMATTR InstName R2
SYMATTR Value 1.02k
SYMBOL res -48 224 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 39.2k
TEXT -352 440 Left 2 !.tran 5