Version 4 SHEET 1 1352 1588 WIRE -1488 -16 -2464 -16 WIRE -1088 -16 -1488 -16 WIRE -1008 -16 -1088 -16 WIRE -896 -16 -1008 -16 WIRE -768 -16 -896 -16 WIRE -480 -16 -560 -16 WIRE -304 -16 -416 -16 WIRE -208 -16 -304 -16 WIRE -64 -16 -208 -16 WIRE -1488 32 -1488 -16 WIRE -1088 32 -1088 -16 WIRE -1008 32 -1008 -16 WIRE -896 32 -896 -16 WIRE -768 64 -768 -16 WIRE -560 64 -560 -16 WIRE -64 80 -64 -16 WIRE -304 96 -304 -16 WIRE -208 96 -208 -16 WIRE -1008 144 -1008 96 WIRE -896 144 -896 112 WIRE -896 144 -1008 144 WIRE -2112 160 -2224 160 WIRE -1488 160 -1488 112 WIRE -1488 160 -2112 160 WIRE -1392 160 -1488 160 WIRE -896 160 -896 144 WIRE -1392 176 -1392 160 WIRE -896 256 -896 224 WIRE -896 256 -1008 256 WIRE -768 256 -768 144 WIRE -768 256 -896 256 WIRE -560 256 -560 144 WIRE -304 256 -304 160 WIRE -304 256 -560 256 WIRE -208 256 -208 160 WIRE -208 256 -304 256 WIRE -64 256 -64 160 WIRE -64 256 -208 256 WIRE -1008 288 -1008 256 WIRE -2464 320 -2464 -16 WIRE -1392 320 -1392 256 WIRE -1392 320 -1440 320 WIRE -304 320 -304 256 WIRE -1760 336 -1792 336 WIRE -1488 336 -1488 160 WIRE -1488 336 -1536 336 WIRE -1392 352 -1392 320 WIRE -1792 368 -1792 336 WIRE -1200 368 -1280 368 WIRE -1056 368 -1120 368 WIRE -2224 384 -2224 160 WIRE -2112 384 -2112 160 WIRE -1760 400 -1840 400 WIRE -1440 400 -1440 320 WIRE -1440 400 -1536 400 WIRE -1760 464 -1856 464 WIRE -1472 464 -1536 464 WIRE -1392 464 -1392 432 WIRE -1392 464 -1472 464 WIRE -1760 528 -1792 528 WIRE -1488 528 -1536 528 WIRE -1488 560 -1488 528 WIRE -1392 560 -1392 464 WIRE -2464 592 -2464 400 WIRE -2224 592 -2224 448 WIRE -2224 592 -2464 592 WIRE -2112 592 -2112 448 WIRE -2112 592 -2224 592 WIRE -1488 656 -1488 624 WIRE -1440 656 -1488 656 WIRE -1392 656 -1392 624 WIRE -1392 656 -1440 656 WIRE -1088 656 -1088 96 WIRE -1088 656 -1392 656 WIRE -1008 656 -1008 384 WIRE -1008 656 -1088 656 WIRE -2224 672 -2224 592 WIRE -1440 688 -1440 656 FLAG -2224 672 0 FLAG -1792 368 0 FLAG -1488 336 VCC FLAG -1792 528 VCC FLAG -1440 688 0 FLAG -1472 464 THRS FLAG -1840 400 THRS FLAG -1280 368 OUT FLAG -1856 464 OUT FLAG -304 320 0 SYMBOL Misc\\NE555 -1648 432 R0 SYMATTR InstName U6 SYMBOL voltage -2464 304 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 24 SYMBOL zener -2208 448 R180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D7 SYMATTR Value EDZV6_2B SYMBOL cap -2128 384 R0 SYMATTR InstName C17 SYMATTR Value 100µ SYMBOL res -1504 16 R0 SYMATTR InstName R1 SYMATTR Value 470 SYMBOL res -1104 352 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 47 SYMBOL diode -880 224 R180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D1 SYMBOL res -912 16 R0 SYMATTR InstName R4 SYMATTR Value 1k SYMBOL cap -1024 32 R0 SYMATTR InstName C2 SYMATTR Value 100n SYMBOL cap -1104 32 R0 SYMATTR InstName C3 SYMATTR Value 1000µ SYMBOL ind2 -784 160 M180 WINDOW 0 36 80 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName L1 SYMATTR Value 1m SYMATTR Type ind SYMBOL ind2 -544 160 R180 WINDOW 0 36 80 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName L2 SYMATTR Value 5,1m SYMATTR Type ind SYMBOL diode -480 0 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D2 SYMBOL cap -224 96 R0 SYMATTR InstName C4 SYMATTR Value 100µ SYMBOL res -80 64 R0 SYMATTR InstName R5 SYMATTR Value 1000 SYMBOL res -1408 160 R0 SYMATTR InstName R2 SYMATTR Value 722 SYMBOL res -1408 336 R0 SYMATTR InstName R6 SYMATTR Value 360 SYMBOL cap -1408 560 R0 SYMATTR InstName C1 SYMATTR Value 10n SYMBOL cap -1504 560 R0 SYMATTR InstName C5 SYMATTR Value 10µ SYMBOL nmos -1056 288 R0 SYMATTR InstName M1 SYMBOL diode -288 160 R180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D3 TEXT -2432 272 Left 2 !.tran 0 2 0 1m startup TEXT -744 -88 Left 2 !K1 L1 L2 1