Version 4 SHEET 1 880 680 WIRE 320 48 -16 48 WIRE -128 144 -208 144 WIRE -16 144 -16 48 WIRE -16 144 -48 144 WIRE 16 144 -16 144 WIRE 112 144 96 144 WIRE 176 144 112 144 WIRE 320 144 320 48 WIRE 320 144 272 144 WIRE 416 144 320 144 WIRE -208 160 -208 144 WIRE 320 160 320 144 WIRE 416 160 416 144 WIRE 112 176 112 144 WIRE -208 256 -208 240 WIRE -64 256 -64 192 WIRE -64 256 -208 256 WIRE 112 256 112 240 WIRE 256 256 256 192 WIRE 320 256 320 240 WIRE 320 256 256 256 WIRE 416 256 416 240 WIRE 256 272 256 256 WIRE -208 288 -208 256 WIRE -112 320 -112 192 WIRE 16 320 -112 320 WIRE 80 320 16 320 WIRE 96 320 80 320 WIRE 192 320 176 320 WIRE 80 352 80 320 WIRE 256 384 256 368 WIRE 80 448 80 432 FLAG 112 256 0 FLAG 416 256 0 FLAG -208 288 0 FLAG 256 384 0 FLAG 80 448 0 FLAG 112 144 Cap FLAG 416 144 Out FLAG 16 320 Cnt SYMBOL res 0 128 M90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 10 SYMBOL polcap 96 176 R0 SYMATTR InstName C2 SYMATTR Value 47mF SYMBOL pmos 176 192 R270 SYMATTR InstName M1 SYMATTR Value FDS4465 SYMBOL res 336 144 M0 WINDOW 3 -43 66 Left 2 SYMATTR InstName R2 SYMATTR Value 10k SYMBOL res 400 144 R0 SYMATTR InstName RLoad SYMATTR Value 10 SYMBOL npn 192 272 R0 SYMATTR InstName Q1 SYMATTR Value 2N3904 SYMBOL res 192 304 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 50k SYMBOL voltage 80 336 M0 WINDOW 3 45 58 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value PULSE(0 5V 3 10us 10us 10) SYMBOL sw -144 144 R270 SYMATTR InstName S1 SYMBOL voltage -208 144 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 5V TEXT -218 434 Left 2 !.tran 4 startup TEXT -120 480 Left 2 !.model SW SW(Ron=.01 Roff=1Meg Vt=-1 Vh=-.5)