Version 4 SHEET 1 880 760 WIRE 192 -64 160 -64 WIRE 400 -64 272 -64 WIRE 528 -64 400 -64 WIRE 160 -48 160 -64 WIRE 528 16 528 -64 WIRE 160 96 160 32 WIRE 208 96 160 96 WIRE 304 96 288 96 WIRE 400 128 400 -64 WIRE 160 144 160 96 WIRE 528 160 528 80 WIRE 592 160 528 160 WIRE 528 240 528 160 WIRE 160 288 160 224 WIRE -64 384 -64 368 WIRE -64 384 -192 384 WIRE 16 384 -64 384 WIRE 160 384 160 368 WIRE 192 384 160 384 WIRE 304 384 272 384 WIRE 400 384 400 192 WIRE 400 384 304 384 WIRE 528 384 528 304 WIRE 528 384 400 384 WIRE 16 416 16 384 WIRE 304 432 304 384 WIRE 304 432 112 432 WIRE 112 448 112 432 WIRE 448 464 240 464 WIRE -192 512 -192 384 WIRE 16 512 16 496 WIRE 112 512 16 512 WIRE 176 512 112 512 WIRE 16 560 16 512 WIRE 240 592 240 560 WIRE -192 704 -192 592 WIRE 16 704 16 640 WIRE 16 704 -192 704 WIRE 128 704 16 704 WIRE 240 704 240 672 WIRE 240 704 128 704 WIRE 256 704 240 704 WIRE 128 720 128 704 FLAG 128 720 0 FLAG 304 96 Vcc FLAG -64 368 Vcc SYMBOL ind2 176 -64 M0 WINDOW 0 -29 49 Left 0 WINDOW 3 -44 80 Left 0 SYMATTR InstName L2 SYMATTR Value 50µ SYMATTR Type ind SYMBOL ind2 176 272 M0 WINDOW 0 -29 40 Left 0 WINDOW 3 -39 68 Left 0 SYMATTR InstName L3 SYMATTR Value 50µ SYMATTR Type ind SYMBOL npn2 176 464 R0 SYMATTR InstName Q1 SYMATTR Value 2N2222 SYMBOL voltage -192 496 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 12 SYMBOL res 224 576 R0 SYMATTR InstName R4 SYMATTR Value .1 SYMBOL res 288 -80 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R5 SYMATTR Value 1 SYMBOL res 288 368 R90 WINDOW 0 53 93 VBottom 0 WINDOW 3 28 54 VTop 0 SYMATTR InstName R6 SYMATTR Value 1 SYMBOL res 304 80 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R2 SYMATTR Value 0.1 SYMBOL cap 384 128 R0 SYMATTR InstName C1 SYMATTR Value 50n SYMBOL res 0 400 R0 SYMATTR InstName R7 SYMATTR Value 100k SYMBOL cap 96 448 R0 SYMATTR InstName C3 SYMATTR Value 1n SYMBOL res 0 544 R0 SYMATTR InstName R8 SYMATTR Value 10k SYMBOL res 144 128 R0 SYMATTR InstName R1 SYMATTR Value 0.5 SYMBOL diode 512 16 R0 SYMATTR InstName D1 SYMBOL diode 512 240 R0 SYMATTR InstName D2 SYMBOL cap 656 144 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C2 TEXT -136 144 Left 0 !K L2 L3 0.999 TEXT -224 744 Left 0 !.tran 1m