Version 4
SHEET 1 896 680
WIRE -32 -64 -128 -64
WIRE 160 -64 48 -64
WIRE -176 48 -400 48
WIRE -128 48 -128 -64
WIRE -112 48 -128 48
WIRE 160 48 160 -64
WIRE 160 48 144 48
WIRE -400 96 -400 48
WIRE 368 96 368 80
WIRE 480 96 480 80
WIRE -176 112 -176 48
WIRE -112 112 -176 112
WIRE 176 112 144 112
WIRE -112 176 -176 176
WIRE 176 176 144 176
WIRE 368 192 368 176
WIRE 480 192 480 176
WIRE -400 224 -400 176
WIRE -176 224 -176 176
WIRE -176 224 -400 224
WIRE -400 240 -400 224
WIRE -112 240 -144 240
WIRE 176 240 144 240
FLAG 368 192 0
FLAG 368 80 +V
FLAG 176 112 +V
FLAG 480 192 0
FLAG 480 80 -V
FLAG -144 240 -V
FLAG -400 240 0
FLAG 176 176 OUT
FLAG 176 240 0
SYMBOL voltage 368 80 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage -400 192 M180
WINDOW 0 24 104 Left 2
WINDOW 3 24 16 Left 2
SYMATTR InstName V3
SYMATTR Value SINE(0 10m 1K)
SYMBOL opamps\\LT1920 16 144 R0
SYMATTR InstName U1
SYMBOL res 64 -80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 1K
SYMBOL voltage 480 80 R0
SYMATTR InstName V2
SYMATTR Value -5
TEXT 248 296 Left 2 !.tran 3m