Version 4
SHEET 1 880 680
WIRE 32 64 0 64
WIRE 128 64 96 64
WIRE -112 128 -192 128
WIRE 0 128 0 64
WIRE 0 128 -32 128
WIRE 32 128 0 128
WIRE -192 144 -192 128
WIRE 128 144 128 64
WIRE 128 144 96 144
WIRE 208 144 128 144
WIRE 32 160 0 160
WIRE -192 240 -192 224
WIRE 0 240 0 160
WIRE 0 240 -192 240
WIRE 208 240 0 240
WIRE 208 256 208 240
FLAG 208 256 0
FLAG 208 144 Vout
FLAG -192 128 Vin
SYMBOL Opamps\\opamp 64 80 R0
WINDOW 0 0 32 Invisible 0
SYMATTR InstName U1
SYMBOL voltage -192 128 R0
WINDOW 0 24 16 Invisible 0
WINDOW 3 -96 204 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value PWL(0 0 5ms 0 10ms 1 15ms -1 20ms 0)
SYMBOL cap 32 80 R270
WINDOW 0 32 32 Invisible 0
WINDOW 3 2 35 VBottom 0
SYMATTR InstName C1
SYMATTR Value 1µF
SYMBOL res -128 144 R270
WINDOW 0 32 56 Invisible 0
WINDOW 3 -4 65 VBottom 0
SYMATTR InstName R1
SYMATTR Value 1K
TEXT -288 360 Left 0 !.tran 20ms
TEXT -288 384 Left 0 !.lib opamp.sub