Version 4
SHEET 1 880 680
WIRE 48 64 -144 64
WIRE 144 64 128 64
WIRE 176 64 144 64
WIRE 48 144 -80 144
WIRE 144 144 144 64
WIRE 144 144 128 144
WIRE 176 144 144 144
WIRE 256 160 256 64
WIRE 256 160 240 160
WIRE 352 160 256 160
WIRE 176 176 160 176
WIRE 48 224 0 224
WIRE 144 224 144 144
WIRE 144 224 128 224
WIRE -144 304 -144 144
WIRE -80 304 -80 224
WIRE 160 304 160 176
FLAG 160 304 0
FLAG 0 304 0
FLAG -80 304 0
FLAG -144 304 0
FLAG 352 160 OUT
IOPIN 352 160 Out
SYMBOL Opamps\\opamp 208 96 R0
SYMATTR InstName U1
SYMATTR SpiceLine Aol=1G
SYMBOL Misc\\EuropeanResistor 32 80 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 1G
SYMBOL Misc\\EuropeanResistor 32 160 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 1G
SYMBOL Misc\\EuropeanResistor 32 240 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R3
SYMATTR Value 1G
SYMBOL Misc\\EuropeanResistor 160 80 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R4
SYMATTR Value 1G
SYMBOL voltage 0 208 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 4
SYMBOL voltage -80 128 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 2
SYMBOL voltage -144 48 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 1
TEXT 8 -80 Left 2 !.lib opamp.sub
TEXT -178 328 Left 2 !.tran 1