Version 4 SHEET 1 880 680 WIRE 192 144 192 128 WIRE -16 160 -32 160 WIRE 160 160 64 160 WIRE 320 176 224 176 WIRE 160 192 128 192 WIRE -288 208 -288 192 WIRE -176 208 -176 192 WIRE 192 224 192 208 WIRE -288 304 -288 288 WIRE -176 304 -176 288 WIRE 32 304 16 304 WIRE 128 304 128 192 WIRE 128 304 112 304 WIRE 192 304 128 304 WIRE 320 304 320 176 WIRE 320 304 272 304 FLAG -288 304 0 FLAG -176 304 0 FLAG 192 128 +V FLAG 16 304 0 FLAG -288 192 +V FLAG -176 192 -V FLAG 192 224 -V FLAG -32 160 0 SYMBOL voltage -288 192 R0 SYMATTR InstName V1 SYMATTR Value 15 SYMBOL voltage -176 192 R0 SYMATTR InstName V2 SYMATTR Value -15 SYMBOL res 288 288 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R1 SYMATTR Value 9.09K SYMBOL res 128 288 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R2 SYMATTR Value 1K SYMBOL voltage 80 160 M270 WINDOW 0 32 56 VTop 0 WINDOW 3 -32 56 VBottom 0 SYMATTR InstName V3 SYMATTR Value sine(0 1.5 1K) SYMBOL Opamps\\opamp2 192 112 R0 SYMATTR InstName U2 SYMATTR Value acme1 TEXT 328 344 Left 0 !.tran 5m TEXT -168 352 Left 0 !.include acme.mod