Version 4
SHEET 1 880 852
WIRE 0 -96 -192 -96
WIRE 128 -96 80 -96
WIRE 176 -96 128 -96
WIRE 288 -96 256 -96
WIRE -192 -80 -192 -96
WIRE -192 16 -192 0
WIRE 208 32 208 16
WIRE 128 48 128 -96
WIRE 176 48 128 48
WIRE 288 64 288 -96
WIRE 288 64 240 64
WIRE 352 64 288 64
WIRE -96 80 -192 80
WIRE 32 80 -16 80
WIRE 176 80 32 80
WIRE -192 112 -192 80
WIRE 32 112 32 80
WIRE 128 112 128 48
WIRE 208 112 208 96
WIRE -192 224 -192 192
WIRE 32 224 32 192
WIRE 128 224 128 192
WIRE -192 320 -192 304
WIRE -64 320 -64 304
WIRE -192 416 -192 400
WIRE -64 416 -64 400
WIRE 32 512 -192 512
WIRE 288 512 128 512
WIRE -192 528 -192 512
WIRE 32 544 32 512
WIRE 128 544 128 512
WIRE -192 624 -192 608
WIRE 208 640 208 624
WIRE 128 656 128 624
WIRE 176 656 128 656
WIRE 288 672 288 512
WIRE 288 672 240 672
WIRE 352 672 288 672
WIRE -96 688 -192 688
WIRE 32 688 32 624
WIRE 32 688 -16 688
WIRE 176 688 32 688
WIRE -192 720 -192 688
WIRE 128 720 128 656
WIRE 208 720 208 704
WIRE -192 832 -192 800
WIRE 128 832 128 800
FLAG 32 224 0
FLAG 128 224 0
FLAG -192 16 0
FLAG -192 224 0
FLAG 352 64 out1
FLAG -192 416 0
FLAG -64 416 0
FLAG -192 304 +V
FLAG 208 16 +V
FLAG 208 112 -V
FLAG -64 304 -V
FLAG -192 80 in
FLAG -192 -96 ref1
FLAG -192 624 0
FLAG -192 832 0
FLAG 352 672 out2
FLAG 208 624 +V
FLAG 208 720 -V
FLAG -192 688 in2
FLAG 128 832 0
FLAG -192 512 ref2
SYMBOL Misc\\EuropeanResistor 16 96 R0
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor 0 64 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL Opamps\\UniversalOpamp2 208 64 R0
SYMATTR InstName U1
SYMBOL Misc\\EuropeanResistor 112 96 R0
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor 96 -112 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor 272 -112 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 5k
SYMBOL voltage -192 96 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value SINE(0 2 100)
SYMBOL voltage -192 -96 R0
SYMATTR InstName V2
SYMATTR Value -4
SYMBOL voltage -192 304 R0
SYMATTR InstName V3
SYMATTR Value 5
SYMBOL voltage -64 304 R0
SYMATTR InstName V4
SYMATTR Value -5
SYMBOL Misc\\EuropeanResistor 0 672 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 10k
SYMBOL Opamps\\UniversalOpamp2 208 672 R0
SYMATTR InstName U2
SYMBOL Misc\\EuropeanResistor 16 528 R0
SYMATTR InstName R8
SYMATTR Value 10k
SYMBOL voltage -192 704 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V5
SYMATTR Value SINE(0 2 100)
SYMBOL voltage -192 512 R0
SYMATTR InstName V6
SYMATTR Value 2
SYMBOL Misc\\EuropeanResistor 112 528 R0
SYMATTR InstName R6
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor 112 704 R0
SYMATTR InstName R9
SYMATTR Value 10k
TEXT -216 -248 Left 2 !.tran 0 20m 0 10u
TEXT -216 -216 Left 2 !.options plotwinsize=0