Version 4 SHEET 1 880 760 WIRE 192 96 160 96 WIRE 352 96 272 96 WIRE 448 96 352 96 WIRE 160 112 160 96 WIRE -128 176 -192 176 WIRE 16 176 -48 176 WIRE 112 176 16 176 WIRE 112 192 112 176 WIRE 352 208 352 96 WIRE -192 224 -192 176 WIRE -192 224 -400 224 WIRE 160 224 160 192 WIRE 192 224 160 224 WIRE 272 224 272 208 WIRE -400 256 -400 224 WIRE 160 256 160 224 WIRE -192 288 -192 224 WIRE 112 288 112 272 WIRE 112 288 -192 288 WIRE -400 352 -400 336 WIRE 160 368 160 336 WIRE 192 368 160 368 WIRE 288 368 272 368 WIRE 352 368 352 272 WIRE 352 368 288 368 WIRE 400 368 352 368 WIRE -64 416 -64 400 WIRE -64 416 -192 416 WIRE 288 432 288 368 WIRE 288 432 112 432 WIRE 448 464 448 96 WIRE 448 464 240 464 WIRE -192 512 -192 416 WIRE 112 512 112 432 WIRE 176 512 112 512 WIRE 240 592 240 560 WIRE -192 704 -192 592 WIRE 128 704 -192 704 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 272 208 Vcc FLAG -64 400 Vcc FLAG -400 352 0 FLAG 16 176 Vo SYMBOL ind2 96 288 M180 WINDOW 0 -15 80 Right 0 WINDOW 3 -7 42 Right 0 SYMATTR InstName L1 SYMATTR Value 10m SYMATTR Type ind SYMBOL ind2 176 96 M0 WINDOW 0 -29 49 Left 0 WINDOW 3 -44 80 Left 0 SYMATTR InstName L2 SYMATTR Value 50µ 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 1000k SYMBOL ind2 176 240 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 cap 336 208 R0 SYMATTR InstName C1 SYMATTR Value 222n SYMBOL res -416 240 R0 SYMATTR InstName R3 SYMATTR Value 100m 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 4 SYMBOL res 288 352 R90 WINDOW 0 53 93 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R6 SYMATTR Value 10 SYMBOL res 288 208 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R2 SYMATTR Value 100 TEXT -40 56 Left 0 !K L1 L2 L3 0.999 TEXT -40 24 Left 0 ;A transformer with three windings TEXT -224 744 Left 0 !.tran 10m