Version 4
SHEET 1 880 680
WIRE 400 80 256 80
WIRE 96 144 -32 144
WIRE 144 144 96 144
WIRE 208 144 144 144
WIRE -32 160 -32 144
WIRE 144 160 144 144
WIRE 400 192 400 80
WIRE 256 224 256 176
WIRE 256 224 224 224
WIRE -448 240 -528 240
WIRE -272 240 -368 240
WIRE -192 240 -272 240
WIRE -112 240 -192 240
WIRE -32 240 -32 224
WIRE -32 240 -112 240
WIRE 96 240 96 144
WIRE 144 240 144 224
WIRE 224 240 224 224
WIRE 224 240 144 240
WIRE 256 240 256 224
WIRE -272 256 -272 240
WIRE -192 256 -192 240
WIRE -112 256 -112 240
WIRE -32 256 -32 240
WIRE 144 256 144 240
WIRE -528 336 -528 320
WIRE -272 336 -272 320
WIRE -192 336 -192 320
WIRE -112 336 -112 320
WIRE -32 336 -32 320
WIRE 96 336 96 320
WIRE 144 336 144 320
WIRE 256 336 256 320
WIRE 400 336 400 272
FLAG 96 336 0
FLAG 144 336 0
FLAG 256 336 0
FLAG 400 336 0
FLAG -32 336 0
FLAG -528 336 0
FLAG -112 336 0
FLAG -192 336 0
FLAG -272 336 0
SYMBOL ind 112 336 R180
WINDOW 0 36 80 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName L1
SYMATTR Value 100µH
SYMBOL njf 208 80 R0
SYMATTR InstName J1
SYMATTR Value 2N3819
SYMBOL res 240 224 R0
SYMATTR InstName R1
SYMATTR Value 470
SYMBOL cap 128 256 R0
SYMATTR InstName C1
SYMATTR Value 47p
SYMBOL cap 128 160 R0
SYMATTR InstName C2
SYMATTR Value 39p
SYMBOL voltage 400 176 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value PULSE(8 9 1u 0 0 1 2)
SYMBOL varactor -16 320 R180
WINDOW 0 40 35 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName D2
SYMATTR Value MV2201
SYMBOL res -352 224 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 22k
SYMBOL voltage -528 224 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 -71 68 Left 0
WINDOW 3 -105 99 Left 0
SYMATTR InstName V2
SYMATTR Value PULSE(20 2 0 0 0 100us 1)
SYMBOL cap -48 160 R0
WINDOW 3 24 55 Left 0
SYMATTR InstName C3
SYMATTR Value 100pF
SYMBOL varactor -96 320 R180
WINDOW 0 40 35 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName D1
SYMATTR Value MV2201
SYMBOL varactor -176 320 R180
WINDOW 0 40 35 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName D3
SYMATTR Value MV2201
SYMBOL varactor -256 320 R180
WINDOW 0 40 35 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName D4
SYMATTR Value MV2201
TEXT -472 96 Left 0 !.tran 0 200us 0 2ns startup uic