Version 4 SHEET 1 1536 680 WIRE 960 -96 -448 -96 WIRE 176 -48 -304 -48 WIRE 576 -48 176 -48 WIRE 1248 -48 576 -48 WIRE 1408 -48 1248 -48 WIRE -304 0 -304 -48 WIRE 960 16 960 -96 WIRE 576 32 576 -48 WIRE 1408 32 1408 -48 WIRE 448 48 -128 48 WIRE 160 80 -304 80 WIRE -304 112 -304 80 WIRE 448 112 448 48 WIRE -96 144 -176 144 WIRE 176 144 176 -48 WIRE 176 144 128 144 WIRE 208 144 176 144 WIRE 272 144 208 144 WIRE 576 160 576 112 WIRE 704 160 576 160 WIRE 960 176 960 96 WIRE 1008 176 960 176 WIRE 1072 176 1008 176 WIRE 1184 176 1136 176 WIRE 1248 176 1248 -48 WIRE 1248 176 1184 176 WIRE 1408 176 1408 96 WIRE 576 192 576 160 WIRE -304 208 -304 192 WIRE -224 208 -304 208 WIRE -208 208 -224 208 WIRE -96 208 -208 208 WIRE 160 208 160 80 WIRE 160 208 128 208 WIRE 704 208 704 160 WIRE 272 240 272 144 WIRE 448 240 448 192 WIRE 512 240 448 240 WIRE 960 240 960 176 WIRE 1248 240 1248 176 WIRE -128 272 -128 48 WIRE -96 272 -128 272 WIRE 176 272 128 272 WIRE -448 288 -448 -96 WIRE -448 288 -576 288 WIRE -576 304 -576 288 WIRE -304 304 -304 208 WIRE 1408 304 1408 240 WIRE 576 320 576 288 WIRE 704 320 704 288 WIRE 704 320 576 320 WIRE 752 320 704 320 WIRE 864 320 832 320 WIRE 912 320 864 320 WIRE -96 336 -128 336 WIRE 240 336 128 336 WIRE 272 336 272 320 WIRE 272 336 240 336 WIRE 272 352 272 336 WIRE 448 368 448 240 WIRE 512 368 448 368 WIRE -448 400 -448 288 WIRE -128 400 -128 336 WIRE 208 400 208 144 WIRE 208 400 -128 400 WIRE -576 432 -576 384 WIRE -224 432 -224 208 WIRE 176 432 176 272 WIRE 176 432 -224 432 WIRE 1408 432 1408 368 WIRE -576 544 -576 512 WIRE -448 544 -448 464 WIRE -304 544 -304 368 WIRE -176 544 -176 144 WIRE 272 544 272 512 WIRE 576 544 576 416 WIRE 960 544 960 336 WIRE 1248 544 1248 304 WIRE 1408 544 1408 496 FLAG -576 544 0 FLAG -176 544 0 FLAG -304 544 0 FLAG 960 544 0 FLAG 1248 544 0 FLAG -448 544 0 FLAG 1184 176 out FLAG 1008 176 vd FLAG 1408 544 0 FLAG 272 544 0 FLAG 576 544 0 FLAG 864 320 vg FLAG -208 208 trig FLAG 240 336 cv SYMBOL voltage -576 416 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 1.8 SYMBOL Misc\\NE555 16 240 R0 SYMATTR InstName U1 SYMBOL cap -320 304 R0 SYMATTR InstName C1 SYMATTR Value 220p SYMBOL nmos 912 240 R0 SYMATTR InstName M1 SYMATTR Value RUF025N02 SYMBOL ind 944 0 R0 SYMATTR InstName L1 SYMATTR Value 47µ SYMATTR SpiceLine Rser=69m SYMBOL schottky 1072 192 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D3 SYMATTR Value RBR1MM30A SYMATTR Description Diode SYMATTR Type diode SYMBOL cap 1232 240 R0 SYMATTR InstName C2 SYMATTR Value 10µ SYMBOL res -592 288 R0 SYMATTR InstName R4 SYMATTR Value 5 SYMBOL cap -464 400 R0 SYMATTR InstName C3 SYMATTR Value 100µ SYMBOL LED 1392 432 R0 SYMATTR InstName D4 SYMATTR Value AOT-2015 SYMATTR Description Diode SYMATTR Type diode SYMBOL diode 1392 32 R0 SYMATTR InstName D5 SYMATTR Value MURS120 SYMBOL diode 1392 176 R0 SYMATTR InstName D6 SYMATTR Value MURS120 SYMBOL diode 1392 304 R0 SYMATTR InstName D7 SYMATTR Value MURS120 SYMBOL res -320 96 R0 SYMATTR InstName R1 SYMATTR Value 10k SYMBOL res -320 -16 R0 SYMATTR InstName R2 SYMATTR Value 10k SYMBOL npn 512 192 R0 SYMATTR InstName Q1 SYMATTR Value 2N3904 SYMBOL pnp 512 416 M180 SYMATTR InstName Q2 SYMATTR Value 2N3906 SYMBOL res 464 208 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R7 SYMATTR Value 100 SYMBOL res 688 192 R0 SYMATTR InstName R8 SYMATTR Value 10k SYMBOL res 848 304 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 10 SYMBOL res 560 16 R0 SYMATTR InstName R9 SYMATTR Value 49.9 SYMBOL res 256 416 R0 SYMATTR InstName R10 SYMATTR Value 10k SYMBOL res 256 224 R0 SYMATTR InstName R5 SYMATTR Value 3k SYMBOL res 256 336 R0 SYMATTR InstName R6 SYMATTR Value 1 TEXT -576 600 Left 2 !.tran 0 10m 2m 1u startup