Version 4 SHEET 1 880 680 WIRE -32 -48 -64 -48 WIRE 96 -48 32 -48 WIRE 256 -48 96 -48 WIRE 336 -48 256 -48 WIRE 432 -48 336 -48 WIRE 608 -48 512 -48 WIRE 256 -16 256 -48 WIRE 336 -16 336 -48 WIRE 96 16 96 -48 WIRE 608 80 608 -48 WIRE 256 96 256 64 WIRE 304 96 256 96 WIRE 336 96 336 48 WIRE 336 96 304 96 WIRE 256 112 256 96 WIRE -80 160 -128 160 WIRE -32 160 -80 160 WIRE 96 160 96 96 WIRE 96 160 32 160 WIRE 192 160 96 160 WIRE -128 176 -128 160 WIRE -128 272 -128 256 WIRE 256 272 256 208 WIRE 608 272 608 160 FLAG -64 -48 0 FLAG 608 272 0 FLAG 256 272 0 FLAG -128 272 0 FLAG -80 160 in FLAG 304 96 out SYMBOL npn 192 112 R0 SYMATTR InstName Q1 SYMATTR Value 2N3904 SYMBOL voltage 608 64 M0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 12V SYMBOL ind 416 -32 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 10µ SYMATTR SpiceLine Rser=1 SYMBOL cap 32 -64 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 100n SYMBOL ind 272 -32 M0 SYMATTR InstName L2 SYMATTR Value 300n SYMBOL cap 320 -16 R0 SYMATTR InstName C2 SYMATTR Value 112p SYMBOL voltage -128 160 M0 WINDOW 3 27 113 Left 2 WINDOW 123 40 54 Left 2 WINDOW 39 29 83 Left 2 SYMATTR InstName V2 SYMATTR Value SINE(0 2 13.5Meg) SYMATTR Value2 AC 1 SYMATTR SpiceLine Rser=50 SYMBOL cap -32 144 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C3 SYMATTR Value 22p SYMBOL res 112 0 M0 SYMATTR InstName R1 SYMATTR Value 220k TEXT -328 32 Left 2 !.tran 0 2u 0 1n TEXT -328 64 Left 2 !;ac dec 10k 1Meg 100Meg