Version 4
SHEET 1 880 680
WIRE 64 -256 16 -256
WIRE 16 -176 16 -256
WIRE 16 -176 -32 -176
WIRE 48 -176 16 -176
WIRE 48 -160 48 -176
WIRE 64 -160 48 -160
WIRE 144 -144 144 -256
WIRE 144 -144 128 -144
WIRE 288 -144 144 -144
WIRE 48 -128 -32 -128
WIRE 64 -128 48 -128
WIRE -32 -80 -32 -128
WIRE 48 -80 48 -128
WIRE 96 -80 48 -80
WIRE 192 -80 96 -80
WIRE 288 -80 288 -144
WIRE 288 -80 272 -80
WIRE 96 -16 96 -80
WIRE 80 240 32 240
WIRE 32 320 32 240
WIRE 32 320 -16 320
WIRE 64 320 32 320
WIRE 64 336 64 320
WIRE 80 336 64 336
WIRE 160 352 160 240
WIRE 160 352 144 352
WIRE 304 352 160 352
WIRE 64 368 -16 368
WIRE 80 368 64 368
WIRE -16 416 -16 368
WIRE 64 416 64 368
WIRE 112 416 64 416
WIRE 208 416 112 416
WIRE 304 416 304 352
WIRE 304 416 288 416
WIRE 112 480 112 416
FLAG -224 64 0
FLAG -352 64 0
FLAG 96 -176 V1
FLAG 112 320 V1
FLAG -352 -16 V1
FLAG 96 -112 V2
FLAG 112 384 V2
FLAG -224 -16 V2
FLAG 96 64 0
FLAG 112 560 0
FLAG -528 -192 Vin
FLAG -528 -112 0
FLAG -112 -80 Vin
FLAG -96 320 Vin
FLAG -112 -176 0
FLAG -96 416 0
SYMBOL Opamps\\UniversalOpamp2 96 -144 R0
SYMATTR InstName U1
SYMBOL res -16 -96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 120
SYMBOL res -16 -192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 120
SYMBOL res 160 -272 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 38 62 VTop 2
SYMATTR InstName R3
SYMATTR Value 240
SYMBOL res 288 -96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 240
SYMBOL res 112 80 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName Rlast
SYMATTR Value 0.01
SYMBOL Opamps\\UniversalOpamp2 112 352 R0
SYMATTR InstName U2
SYMBOL res 0 400 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 120
SYMBOL res 0 304 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 120
SYMBOL res 176 224 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 38 62 VTop 2
SYMATTR InstName R7
SYMATTR Value 240
SYMBOL res 304 400 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 240
SYMBOL res 128 576 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName Rlast
SYMATTR Value 0.01
SYMBOL voltage -352 -32 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL voltage -224 -32 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value -10
SYMBOL voltage -528 -208 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value SINE(0.3 0.3 50000 0 0 0 1000)
TEXT -562 584 Left 2 !.tran 5s