Version 4
SHEET 1 880 680
WIRE -160 -80 -224 -80
WIRE -96 -80 -160 -80
WIRE 48 -80 -16 -80
WIRE 176 -80 48 -80
WIRE 304 -80 256 -80
WIRE -224 -64 -224 -80
WIRE -224 32 -224 16
WIRE -160 80 -224 80
WIRE -96 80 -160 80
WIRE 48 80 48 -80
WIRE 48 80 -16 80
WIRE 176 80 48 80
WIRE -224 96 -224 80
WIRE 304 96 304 -80
WIRE 304 96 240 96
WIRE 416 96 304 96
WIRE 176 112 144 112
WIRE -224 192 -224 176
WIRE -160 240 -224 240
WIRE -96 240 -160 240
WIRE 48 240 -16 240
WIRE 144 240 144 112
WIRE 144 240 48 240
WIRE -224 256 -224 240
WIRE 48 256 48 240
WIRE 144 256 144 240
WIRE -224 352 -224 336
WIRE 48 352 48 336
WIRE 144 352 144 336
FLAG 48 352 0
FLAG 144 352 0
FLAG -224 32 0
FLAG -224 192 0
FLAG -224 352 0
FLAG 416 96 U
FLAG -160 -80 U1
FLAG -160 80 U2
FLAG -160 240 U3
DATAFLAG 368 96 "round($*10k)/10k"
DATAFLAG 48 240 "round($*10k)/10k"
DATAFLAG 48 -80 "round($*10k)/10k"
SYMBOL Opamps\\opamp 208 32 R0
SYMATTR InstName U1
SYMATTR SpiceLine Aol=1000K
SYMBOL Misc\\EuropeanResistor 272 -96 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor 0 -96 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor 0 64 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor 0 224 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor 32 240 R0
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor 128 240 R0
SYMATTR InstName R6
SYMATTR Value 10k
SYMBOL voltage -224 -80 R0
SYMATTR InstName V1
SYMATTR Value -1
SYMBOL voltage -224 80 R0
SYMATTR InstName V2
SYMATTR Value -3
SYMBOL voltage -224 240 R0
SYMATTR InstName V3
SYMATTR Value 6
TEXT -224 -184 Left 2 !.op
TEXT -224 -224 Left 2 !.lib opamp.sub
TEXT 48 -208 Left 3 ;U = U3 -U1 -U2