Version 4 SHEET 1 1192 704 WIRE 400 160 208 160 WIRE 592 160 480 160 WIRE -64 272 -128 272 WIRE 0 272 -64 272 WIRE 208 272 208 160 WIRE 208 272 80 272 WIRE 272 272 208 272 WIRE 400 272 272 272 WIRE -128 336 -128 272 WIRE 400 336 400 272 WIRE 448 336 400 336 WIRE 592 352 592 160 WIRE 592 352 512 352 WIRE 768 352 592 352 WIRE 448 368 400 368 WIRE -128 448 -128 416 WIRE 400 448 400 368 WIRE 400 448 -128 448 WIRE -128 480 -128 448 FLAG -128 480 0 FLAG 768 352 OUT FLAG -64 272 IN FLAG 272 272 INV- SYMBOL res 96 256 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 1k SYMBOL res 496 144 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 10k SYMBOL voltage -128 320 R0 SYMATTR InstName V1 SYMATTR Value SINE(0 100mV 1000) SYMBOL Opamps/opamp 480 288 R0 WINDOW 3 3 89 Left 2 WINDOW 39 0 54 Left 2 WINDOW 40 0 76 Left 2 SYMATTR Value my_opamp SYMATTR SpiceLine "" SYMATTR SpiceLine2 "" SYMATTR InstName U1 TEXT 72 536 Left 2 !.TRAN 100us 3ms 0 100us TEXT 472 440 Left 2 !.subckt my_opamp in- in+ out\nE1 out 0 in+ in- 1e6\n.ends my_opamp