Version 4 SHEET 1 904 704 WIRE -624 0 -624 -80 WIRE -624 144 -624 64 WIRE -512 -80 -624 -80 WIRE -512 0 -512 -80 WIRE -512 144 -512 80 WIRE -512 416 -512 272 WIRE -512 640 -512 496 WIRE -400 272 -512 272 WIRE -144 -80 -512 -80 WIRE -144 32 -144 -80 WIRE -144 272 -336 272 WIRE -144 272 -144 112 WIRE -144 368 -144 272 WIRE -144 640 -144 448 WIRE 32 272 -144 272 WIRE 96 -80 -144 -80 WIRE 96 16 96 -80 WIRE 96 224 96 96 WIRE 96 368 96 320 WIRE 96 464 96 448 WIRE 96 496 96 464 WIRE 96 640 96 576 WIRE 224 16 224 -80 WIRE 224 176 224 96 WIRE 224 464 96 464 WIRE 224 512 224 464 WIRE 224 640 224 576 WIRE 416 -80 224 -80 WIRE 416 16 416 -80 WIRE 416 176 224 176 WIRE 416 176 416 96 WIRE 416 240 416 176 FLAG 96 640 0 FLAG 224 640 0 FLAG -144 640 0 FLAG -512 640 0 FLAG -512 144 0 FLAG 416 240 0 FLAG -624 144 0 SYMBOL npn 32 224 R0 SYMATTR InstName Q1 SYMATTR Value 2N2222 SYMBOL ind2 80 0 R0 SYMATTR InstName L1 SYMATTR Value 160µH SYMATTR Type ind SYMBOL ind2 208 0 R0 SYMATTR InstName L2 SYMATTR Value 10µh SYMATTR Type ind SYMBOL res 400 0 R0 SYMATTR InstName R2 SYMATTR Value 50 SYMBOL res 80 352 R0 SYMATTR InstName R3 SYMATTR Value 10 SYMBOL res 80 480 R0 SYMATTR InstName R4 SYMATTR Value 10 SYMBOL cap 208 512 R0 SYMATTR InstName C1 SYMATTR Value .1µF SYMBOL res -160 16 R0 SYMATTR InstName R5 SYMATTR Value 70k SYMBOL res -160 352 R0 SYMATTR InstName R6 SYMATTR Value 10k SYMBOL cap -336 256 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C2 SYMATTR Value .1µF SYMBOL voltage -512 400 R0 WINDOW 123 0 0 Left 0 WINDOW 39 24 132 Left 0 SYMATTR SpiceLine Rser=50 SYMATTR InstName V1 SYMATTR Value SINE(0 .3 10000000) SYMBOL voltage -512 -16 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value 12 SYMBOL cap -640 0 R0 SYMATTR InstName C3 SYMATTR Value .1 TEXT 80 -224 Left 0 ;4:1 transformer TEXT 88 -184 Left 0 !K1 L1 L2 1 TEXT -880 272 Left 0 !.tran 0 .000001 0 .000001