Version 4
SHEET 1 880 756
WIRE 160 32 80 32
WIRE 304 32 160 32
WIRE 80 80 80 32
WIRE 304 96 304 32
WIRE 80 192 80 160
WIRE 304 192 304 160
WIRE 304 192 80 192
WIRE 80 208 80 192
WIRE 160 272 80 272
WIRE 304 272 160 272
WIRE 80 320 80 272
WIRE 304 336 304 272
WIRE 80 432 80 400
WIRE 304 432 304 400
WIRE 304 432 80 432
WIRE 80 448 80 432
WIRE 160 528 80 528
WIRE 192 528 160 528
WIRE 80 560 80 528
WIRE 80 672 80 640
FLAG 80 208 0
FLAG 160 32 c1
FLAG 80 448 0
FLAG 160 272 c2
FLAG 80 672 0
FLAG 160 528 CT
SYMBOL cap 288 96 R0
SYMATTR InstName C1
SYMATTR Value 1u
SYMBOL voltage 80 64 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PWL(0 0 1 1)
SYMBOL cap 288 336 R0
SYMATTR InstName C2
SYMATTR Value q=(1u+1u*V(CT))*x
SYMBOL voltage 80 304 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PWL(0 0 1 1)
SYMBOL voltage 80 544 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value PWL(0 0 0.1 0.1)
TEXT 80 -40 Left 2 !.tran 0 200m 0 0.1m
TEXT 88 -96 Left 2 ;I(C) = C(t)*dV/dt + V(t)*dC(t)/dt