Version 4 SHEET 1 880 740 WIRE -208 -128 -704 -128 WIRE -208 -96 -208 -128 WIRE -368 16 -448 16 WIRE -208 16 -208 -16 WIRE -208 16 -304 16 WIRE -704 80 -704 -128 WIRE -448 144 -448 16 WIRE -368 144 -448 144 WIRE -208 144 -208 16 WIRE -208 144 -288 144 WIRE -144 144 -208 144 WIRE -16 144 -80 144 WIRE 96 144 -16 144 WIRE 176 144 96 144 WIRE -208 176 -208 144 WIRE -208 192 -208 176 WIRE -16 224 -16 144 WIRE 96 224 96 144 WIRE -448 240 -448 144 WIRE -448 240 -560 240 WIRE -320 240 -448 240 WIRE -272 240 -320 240 WIRE -560 256 -560 240 WIRE -448 272 -448 240 WIRE -704 368 -704 160 WIRE -560 368 -560 336 WIRE -560 368 -704 368 WIRE -448 368 -448 336 WIRE -448 368 -560 368 WIRE -208 368 -208 288 WIRE -208 368 -448 368 WIRE -16 368 -16 288 WIRE -16 368 -208 368 WIRE 96 368 96 288 WIRE 96 368 -16 368 WIRE -704 400 -704 368 FLAG -704 400 0 FLAG 176 144 out FLAG -208 176 c FLAG -320 240 b SYMBOL Misc\\xtal -304 0 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 WINDOW 39 60 32 VTop 2 SYMATTR InstName C1 SYMATTR Value {C} SYMATTR SpiceLine Rser={R} Lser={L} Rpar=1T Cpar={CP} SYMBOL cap -464 272 R0 WINDOW 3 34 41 Left 2 SYMATTR Value 22p SYMATTR InstName C2 SYMBOL npn -272 192 R0 SYMATTR InstName Q1 SYMATTR Value BC547B SYMBOL Misc\\EuropeanResistor -384 160 R270 WINDOW 0 27 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName R1 SYMATTR Value 100k SYMBOL Misc\\EuropeanResistor -224 -112 R0 SYMATTR InstName R2 SYMATTR Value 2k SYMBOL Misc\\battery -704 64 R0 SYMATTR InstName V2 SYMATTR Value 5 SYMBOL cap -144 160 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C3 SYMATTR Value 150p SYMBOL LED -32 224 R0 SYMATTR InstName D1 SYMATTR Value LED_R SYMBOL LED 80 288 M180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D2 SYMATTR Value LED_R SYMBOL Misc\\EuropeanResistor -576 352 M180 WINDOW 0 31 76 Left 2 WINDOW 3 31 40 Left 2 SYMATTR InstName R3 SYMATTR Value 100k TEXT -680 568 Left 2 !.param R=50 f0=13.56Meg Q=30000 Cp=5p\n.param w=2*pi*f0\n.param C = 1/(w*Q*R)\n.param L = C*(Q*R)**2 TEXT -680 480 Left 2 !.tran 0 3m 0 .1u startup TEXT -680 528 Left 2 !.model LED_R D(Is=2.4e-20 N=1.655 Rs=1.5 Eg=2.17 Cjo=20p tt=10n)