Version 4
SHEET 1 880 680
WIRE -208 416 -208 400
WIRE -208 512 -208 496
WIRE -160 400 -208 400
WIRE -80 144 -80 128
WIRE -80 240 -80 208
WIRE -32 304 -32 208
WIRE -32 320 -32 304
WIRE -32 400 -80 400
WIRE -32 400 -32 384
WIRE -32 432 -32 400
WIRE -32 512 -208 512
WIRE -32 512 -32 496
WIRE 0 208 -32 208
WIRE 16 304 -32 304
WIRE 16 400 -32 400
WIRE 48 128 -80 128
WIRE 48 176 48 128
WIRE 48 240 -80 240
WIRE 48 256 48 240
WIRE 64 512 -32 512
WIRE 64 528 64 512
WIRE 80 128 48 128
WIRE 144 208 112 208
WIRE 144 304 96 304
WIRE 144 304 144 208
WIRE 144 320 144 304
WIRE 144 400 96 400
WIRE 144 400 144 384
WIRE 144 432 144 400
WIRE 144 512 64 512
WIRE 144 512 144 496
WIRE 208 128 160 128
WIRE 208 176 208 128
WIRE 208 272 208 256
FLAG 64 528 0
FLAG 48 256 0
FLAG 208 272 0
SYMBOL res 112 288 R90
WINDOW 0 16 112 VBottom 0
WINDOW 3 -12 -1 VTop 0
SYMATTR InstName R1
SYMATTR Value 100k
SYMBOL cap -48 320 R0
SYMATTR InstName C1
SYMATTR Value 1n
SYMATTR SpiceLine Rpar=1g
SYMBOL cap 160 320 M0
SYMATTR InstName C2
SYMATTR Value 1n
SYMATTR SpiceLine Rpar=1g
SYMBOL ind 0 416 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 5 56 VBottom 0
SYMATTR InstName L1
SYMATTR Value 47n
SYMBOL varactor -48 496 M180
WINDOW 0 24 72 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName D1
SYMATTR Value MV2201
SYMBOL varactor 160 496 R180
WINDOW 0 24 72 Left 0
WINDOW 3 37 27 Left 0
SYMATTR InstName D2
SYMATTR Value MV2201
SYMBOL res -64 384 R90
WINDOW 0 16 112 VBottom 0
WINDOW 3 -12 -1 VTop 0
SYMATTR InstName R2
SYMATTR Value 15k
SYMBOL voltage -208 400 R0
WINDOW 0 -14 58 Left 0
WINDOW 3 24 104 Invisible 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vc
SYMATTR Value PULSE(0 10 0 5u 5u 0 10u)
SYMBOL Robertugo\\74hcu04 48 208 R0
SYMATTR InstName U1
SYMBOL voltage 208 160 R0
WINDOW 0 -74 18 Left 0
WINDOW 3 -7 60 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 -23 152 Left 0
SYMATTR InstName Vcc
SYMATTR Value 5
SYMATTR SpiceLine Rser=33
SYMBOL ind 64 144 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 5 56 VBottom 0
SYMATTR InstName L2
SYMATTR Value 100µ
SYMBOL cap -96 144 R0
SYMATTR InstName C3
SYMATTR Value 10µ
SYMATTR SpiceLine Rpar=1g
TEXT -210 528 Left 0 !.tran 0 1u 0 1n