Version 4 SHEET 1 880 712 WIRE 352 96 160 96 WIRE 528 96 352 96 WIRE 160 112 160 96 WIRE -128 176 -192 176 WIRE 112 176 -48 176 WIRE 112 192 112 176 WIRE 352 208 352 96 WIRE 160 224 160 192 WIRE 272 224 272 208 WIRE 272 224 160 224 WIRE 160 256 160 224 WIRE -192 288 -192 176 WIRE -16 288 -192 288 WIRE 112 288 112 272 WIRE 112 288 -16 288 WIRE 16 368 -192 368 WIRE 160 368 160 336 WIRE 240 368 160 368 WIRE 352 368 352 272 WIRE 352 368 240 368 WIRE 528 400 528 96 WIRE 528 400 128 400 WIRE 240 416 240 368 WIRE -192 464 -192 368 WIRE 16 464 16 448 WIRE 128 464 128 400 WIRE 128 464 16 464 WIRE 176 464 128 464 WIRE 16 480 16 464 WIRE 16 576 16 544 WIRE -192 656 -192 544 WIRE 16 656 16 640 WIRE 16 656 -192 656 WIRE 128 656 16 656 WIRE 240 656 240 512 WIRE 240 656 128 656 WIRE 128 672 128 656 FLAG 128 672 0 FLAG 272 208 Vcc FLAG 16 368 Vcc FLAG -16 288 0 SYMBOL ind2 96 288 M180 WINDOW 0 -15 80 Right 0 WINDOW 3 -7 42 Right 0 SYMATTR InstName L1 SYMATTR Value 1000m SYMATTR Type ind SYMBOL ind2 176 96 M0 SYMATTR InstName L2 SYMATTR Value 100m SYMATTR Type ind SYMBOL res -32 160 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R1 SYMATTR Value 1k SYMBOL ind2 176 240 M0 WINDOW 0 -10 36 Right 0 WINDOW 3 -10 73 Right 0 SYMATTR InstName L3 SYMATTR Value 100m SYMATTR Type ind SYMBOL diode 32 544 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D1 SYMATTR Value 1N4148 SYMBOL npn2 176 416 R0 SYMATTR InstName Q1 SYMATTR Value MPSA06 SYMBOL res 0 352 R0 SYMATTR InstName R2 SYMATTR Value 100k SYMBOL voltage -192 448 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 12 SYMBOL diode 32 640 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D2 SYMATTR Value 1N4148 SYMBOL cap 336 208 R0 SYMATTR InstName C1 SYMATTR Value 100µ TEXT 72 72 Left 0 !K L1 L2 L3 1 TEXT -40 24 Left 0 ;A transformer with three windings TEXT -224 696 Left 0 !.tran 100m