Version 4 SHEET 1 880 680 WIRE -96 -64 -192 -64 WIRE -96 -16 -96 -64 WIRE -96 112 -96 64 WIRE -64 112 -96 112 WIRE 96 112 -64 112 WIRE 192 112 176 112 WIRE -96 176 -96 112 WIRE 0 176 -96 176 WIRE 192 192 192 112 WIRE 192 192 64 192 WIRE 384 192 192 192 WIRE 0 208 -96 208 WIRE -96 256 -96 208 WIRE -192 352 -192 -64 WIRE -96 352 -96 336 FLAG -96 352 0 FLAG -192 352 0 FLAG 384 192 out FLAG -96 208 ref FLAG -64 112 in- SYMBOL voltage -96 240 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 2.5 SYMBOL current -96 -16 R0 WINDOW 3 -84 -70 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName I1 SYMATTR Value PULSE(0 1n 0 10 10 1n 20) SYMBOL res 192 96 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 1G SYMBOL Opamps\\opamp 32 128 R0 SYMATTR InstName U1 TEXT -290 312 Left 2 !.tran 20 TEXT 40 240 Left 2 !.lib opamp.sub