Version 4
SHEET 1 880 680
WIRE 112 -64 -208 -64
WIRE 112 16 112 -64
WIRE 432 16 208 16
WIRE 544 16 496 16
WIRE 720 16 544 16
WIRE -80 80 -352 80
WIRE 256 96 208 96
WIRE 544 112 544 16
WIRE 720 128 720 16
WIRE -208 144 -208 -64
WIRE 112 160 112 96
WIRE -80 208 -80 80
WIRE -32 208 -80 208
WIRE -480 256 -496 256
WIRE -352 256 -352 80
WIRE -352 256 -400 256
WIRE -208 336 -208 224
WIRE 112 336 112 256
WIRE 112 336 -208 336
WIRE 256 336 256 96
WIRE 544 336 544 176
WIRE 720 336 720 208
WIRE -208 368 -208 336
FLAG -208 368 0
FLAG -496 256 0
FLAG 256 336 0
FLAG 544 336 0
FLAG 720 336 0
SYMBOL ind2 96 0 R0
SYMATTR InstName L1
SYMATTR Value 0.1
SYMATTR Type ind
SYMBOL ind2 224 112 R180
WINDOW 0 36 80 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName L2
SYMATTR Value 0.1
SYMATTR Type ind
SYMBOL voltage -208 128 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 124 Left 2
SYMATTR SpiceLine Rser=0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL Misc\\signal -384 256 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 -14 309 VTop 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(-1 10 0 0 0 .2e-2 0.4e-2)
SYMBOL cap 528 112 R0
SYMATTR InstName C1
SYMATTR Value 100µ
SYMBOL res 704 112 R0
SYMATTR InstName R1
SYMATTR Value 100
SYMBOL diode 432 32 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL npn 48 160 R0
SYMATTR InstName Q1
SYMBOL res 64 192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 100
TEXT -464 -160 Left 2 !K1 L1 L2 1
TEXT -136 -160 Left 2 !.model MySW SW(Ron=1e-3 Roff=100Meg Vt=0.0 Vh=0 Lser=0 Vser=0)
TEXT -464 -112 Left 2 !.tran 0 .5 0 1e-6