Version 4
SHEET 1 880 680
WIRE 304 -144 128 -144
WIRE 592 -144 304 -144
WIRE 688 -144 592 -144
WIRE 304 -128 304 -144
WIRE 592 -96 592 -144
WIRE 688 -96 688 -144
WIRE 128 -48 128 -144
WIRE 304 -32 304 -48
WIRE 304 -32 224 -32
WIRE 480 -32 384 -32
WIRE 224 -16 224 -32
WIRE 304 -16 304 -32
WIRE 384 -16 384 -32
WIRE 480 -16 480 -32
WIRE 688 0 688 -32
WIRE 128 80 128 16
WIRE 304 80 304 64
WIRE 304 80 128 80
WIRE 384 80 384 64
WIRE 480 80 480 64
WIRE 224 112 224 48
WIRE 224 128 224 112
WIRE 592 144 592 -16
WIRE -64 176 -112 176
WIRE -32 176 -64 176
WIRE 96 176 48 176
WIRE 160 176 96 176
WIRE -112 224 -112 176
WIRE 224 240 224 224
WIRE -112 352 -112 304
WIRE 224 352 224 320
WIRE 224 352 -112 352
WIRE 592 352 592 224
WIRE 592 352 224 352
WIRE 592 368 592 352
FLAG 384 80 0
FLAG 480 80 0
FLAG 592 368 0
FLAG 96 176 in
FLAG -64 176 src
FLAG 224 112 K
FLAG 688 0 0
SYMBOL npn 160 128 R0
SYMATTR InstName Q1
SYMATTR Value 2N2222
SYMBOL res 208 224 R0
SYMATTR InstName R1
SYMATTR Value 12
SYMBOL ind2 288 -32 R0
WINDOW 0 -29 40 Left 2
WINDOW 3 -27 74 Left 2
SYMATTR InstName L1
SYMATTR Value 2µ
SYMATTR Type ind
SYMATTR SpiceLine Rser=50m
SYMBOL Misc\\battery 592 128 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 12V
SYMBOL Misc\\EuropeanVariCap 144 -48 M0
WINDOW 3 17 61 Left 2
SYMATTR Value {c_var}
SYMATTR InstName C1
SYMBOL ind2 400 -32 M0
WINDOW 0 -30 41 Left 2
WINDOW 3 -52 74 Left 2
SYMATTR InstName L3
SYMATTR Value 300n
SYMATTR Type ind
SYMBOL res 464 -32 R0
SYMATTR InstName R6
SYMATTR Value 50
SYMBOL voltage -112 208 M0
WINDOW 0 41 45 Left 2
WINDOW 3 -80 108 Left 2
WINDOW 123 38 79 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value SINE(0.52 0.45 5Meg)
SYMATTR Value2 AC 1
SYMBOL res 64 160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 100
SYMBOL ind2 288 -144 R0
WINDOW 0 -27 42 Left 2
WINDOW 3 -28 74 Left 2
SYMATTR InstName L2
SYMATTR Value 1µ
SYMATTR Type ind
SYMATTR SpiceLine Rser=20m
SYMBOL res 576 0 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R2
SYMATTR Value 47
SYMBOL cap 672 -96 R0
SYMATTR InstName C2
SYMATTR Value 100n
SYMBOL diode 240 -16 M0
SYMATTR InstName D1
SYMATTR Value 1N4148
TEXT 192 -160 Left 2 !K1 L1 L2 0.7
TEXT -272 -112 Left 2 !.tran 0 40u 0 1n
TEXT -272 -80 Left 2 !;ac dec 10k 3Meg 8Meg
TEXT 352 -56 Left 2 !K2 L1 L3 0.2
TEXT -272 48 Left 2 !.step param c_var list 203p 317p