Version 4
SHEET 1 896 680
WIRE 384 16 288 16
WIRE 576 16 464 16
WIRE 32 32 32 16
WIRE 144 32 144 16
WIRE 32 128 32 112
WIRE 144 128 144 112
WIRE 288 128 288 16
WIRE 304 128 288 128
WIRE 576 128 576 16
WIRE 576 128 560 128
WIRE 224 176 -16 176
WIRE -16 192 -16 176
WIRE 224 192 224 176
WIRE 304 192 224 192
WIRE 592 192 560 192
WIRE 304 256 224 256
WIRE 592 256 560 256
WIRE -16 288 -16 272
WIRE 224 288 224 256
WIRE 224 288 -16 288
WIRE -16 304 -16 288
WIRE 304 320 288 320
WIRE 592 320 560 320
FLAG 144 128 0
FLAG 144 16 +V
FLAG 32 128 0
FLAG 32 16 -V
FLAG 592 192 +V
FLAG 288 320 -V
FLAG -16 304 0
FLAG 592 256 OUT
FLAG 592 320 0
SYMBOL voltage 144 16 R0
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL voltage 32 16 R0
SYMATTR InstName V2
SYMATTR Value -15
SYMBOL res 480 0 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1K
SYMBOL voltage -16 176 R0
WINDOW 3 39 86 Left 2
SYMATTR Value SINE(0 10m 1K)
SYMATTR InstName V3
SYMBOL opamps\\LT1167 432 224 R0
SYMATTR InstName U1
TEXT 584 384 Left 2 !.tran 3m