Version 4 SHEET 1 880 1052 WIRE -1056 -144 -1072 -144 WIRE -928 -144 -1056 -144 WIRE -784 -144 -848 -144 WIRE -640 -144 -784 -144 WIRE -512 -144 -560 -144 WIRE -432 -144 -512 -144 WIRE -384 -144 -432 -144 WIRE -784 -96 -784 -144 WIRE -768 -96 -784 -96 WIRE -1056 -48 -1056 -144 WIRE -512 -48 -512 -144 WIRE -432 -48 -432 -144 WIRE -864 0 -864 -96 WIRE -848 0 -864 0 WIRE -864 48 -864 0 WIRE -1056 144 -1056 32 WIRE -912 144 -912 -96 WIRE -912 144 -1056 144 WIRE -864 144 -864 128 WIRE -864 144 -912 144 WIRE -512 144 -512 16 WIRE -512 144 -864 144 WIRE -432 144 -432 32 WIRE -432 144 -512 144 WIRE -912 192 -912 144 FLAG -384 -144 OUT IOPIN -384 -144 Out FLAG -912 192 0 FLAG -1072 -144 IN IOPIN -1072 -144 In FLAG -848 0 PULSE IOPIN -848 0 In FLAG -768 -96 VL IOPIN -768 -96 Out SYMBOL voltage -1056 -64 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 12V SYMBOL res -448 -64 R0 SYMATTR InstName Rload SYMATTR Value 5 SYMBOL sw -944 -144 R270 WINDOW 0 48 96 VRight 0 WINDOW 3 16 96 VRight 0 SYMATTR InstName S1 SYMATTR Value MySwitch SYMBOL voltage -864 32 R0 WINDOW 0 32 80 Left 0 WINDOW 3 -16 130 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value PULSE(0 5 0 10n 10n 5u 10u) SYMBOL ind2 -656 -128 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 4 56 VBottom 0 SYMATTR InstName L1 SYMATTR Value 100µH SYMBOL cap -528 -48 R0 SYMATTR InstName C1 SYMATTR Value 10µ TEXT -1152 288 Left 0 !.tran 1m TEXT -1152 264 Left 0 !.model MySwitch SW(Ron=10m Roff=1Meg Vt=2.5) TEXT -1152 240 Left 0 ;.model MySwitch SW(Ron=10m Roff=1Meg Vt=2.5 Vh=-.5 Lser=10n Vser=-.6) RECTANGLE Normal -280 216 -1152 -224