Version 4
SHEET 1 888 680
WIRE 16 64 0 64
WIRE 112 64 96 64
WIRE 272 64 256 64
WIRE 0 80 0 64
WIRE 96 80 96 64
WIRE 256 80 256 64
WIRE 176 224 144 224
WIRE 304 224 256 224
WIRE 144 288 144 224
WIRE 192 288 144 288
WIRE 304 288 304 224
WIRE 304 288 256 288
WIRE 224 352 208 352
WIRE 208 368 208 352
WIRE 48 384 0 384
WIRE 144 384 144 288
WIRE 144 384 128 384
WIRE 176 384 144 384
WIRE 304 400 304 288
WIRE 304 400 240 400
WIRE 336 400 304 400
WIRE 0 416 0 384
WIRE 176 416 144 416
WIRE 144 432 144 416
WIRE 208 448 208 432
WIRE 224 448 208 448
WIRE 0 512 0 496
FLAG 0 160 0
FLAG 96 160 0
FLAG 16 64 vcc
FLAG 112 64 vee
FLAG 224 352 vcc
FLAG 224 448 vee
FLAG 144 432 0
FLAG 0 512 0
FLAG 0 384 in
FLAG 336 400 out
FLAG 272 64 test
FLAG 256 160 0
SYMBOL voltage 0 64 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 112 Left 2
SYMATTR InstName V1
SYMATTR Value 10
SYMATTR SpiceLine Rser=100m
SYMBOL voltage 96 64 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 112 Left 2
SYMATTR InstName V2
SYMATTR Value -10
SYMATTR SpiceLine Rser=100m
SYMBOL res 272 208 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 100Meg
SYMBOL cap 256 272 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 100n
SYMBOL res 32 400 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL voltage 0 400 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value PWL(0 0 1u 0 1.01u 500m repeat forever (0 500m 249.99u 500m 250.01u -500m 499.99u -500m 500.01u 500m) endrepeat
SYMBOL Opamps\\UniversalOpamp2 208 400 R0
SYMATTR InstName U1
SYMBOL bv 256 64 R0
SYMATTR InstName B1
SYMATTR Value V=-1000*idt(v(in))
TEXT -24 240 Left 2 !.tran 0 200m 0 1u
TEXT 24 544 Left 2 ;PULSE(500m -500m 1m 1u 1u 0.25m 0.5m)
TEXT 24 528 Left 2 ;PWL(0 0 1u 0 1.01u 500m repeat forever (0 500m 249.99u 500m 250.01u -500m 499.99u -500m 500.01u 500m) endrepeat