Version 4
SHEET 1 2084 680
WIRE 1632 -256 1264 -256
WIRE 1792 -256 1632 -256
WIRE 1792 -224 1792 -256
WIRE 1264 -192 1264 -256
WIRE 1632 -144 1632 -256
WIRE 1792 -112 1792 -144
WIRE 1264 -96 1264 -112
WIRE 1264 -96 1152 -96
WIRE 1376 -96 1264 -96
WIRE 1568 -96 1376 -96
WIRE 1152 -64 1152 -96
WIRE 1376 -48 1376 -96
WIRE 1264 0 1264 -96
WIRE 1632 16 1632 -48
WIRE 816 48 752 48
WIRE 976 48 896 48
WIRE 1024 48 976 48
WIRE 1152 48 1152 16
WIRE 1152 48 1088 48
WIRE 1376 48 1376 16
WIRE 1456 48 1376 48
WIRE 1632 48 1632 16
WIRE 1632 48 1536 48
WIRE 1680 48 1632 48
WIRE 1792 48 1744 48
WIRE 1632 64 1632 48
WIRE 752 80 752 48
WIRE 976 80 976 48
WIRE 1152 80 1152 48
WIRE 1376 80 1376 48
WIRE 752 176 752 160
WIRE 976 176 976 144
WIRE 1152 176 1152 144
WIRE 1264 176 1264 80
WIRE 1376 176 1376 144
WIRE 1632 176 1632 144
FLAG 1792 -112 0
FLAG 976 176 0
FLAG 1264 176 0
FLAG 1152 176 0
FLAG 1632 176 0
FLAG 1376 176 0
FLAG 752 176 0
FLAG 1632 16 uR12
FLAG 1792 48 Uosc
IOPIN 1792 48 Out
SYMBOL voltage 1792 -240 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 -130 -37 Left 0
SYMATTR Value PULSE(0 9 1n 1n 0 1m)
SYMATTR InstName V1
SYMBOL cap 1136 80 R0
SYMATTR InstName C3
SYMATTR Value 30p
SYMBOL ind2 1168 32 R180
WINDOW 0 36 80 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName L1
SYMATTR Value 1.6µ
SYMATTR SpiceLine Rser=0.5
SYMATTR Type ind
SYMBOL res 1248 -96 M180
WINDOW 0 36 76 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName R1
SYMATTR Value 18k
SYMBOL res 1248 96 M180
WINDOW 0 36 76 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName R2
SYMATTR Value 22k
SYMBOL res 1648 48 M0
SYMATTR InstName RE
SYMATTR Value 4.7k
SYMBOL cap 1360 16 M180
WINDOW 0 24 64 Left 0
WINDOW 3 24 8 Left 0
SYMATTR InstName C1
SYMATTR Value 120p
SYMBOL cap 1360 144 M180
WINDOW 0 24 64 Left 0
WINDOW 3 24 8 Left 0
SYMATTR InstName C2
SYMATTR Value 120p
SYMBOL npn 1568 -144 R0
SYMATTR InstName Q1
SYMATTR Value BC547C
SYMBOL cap 1088 32 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C4
SYMATTR Value 1n
SYMBOL varactor 992 144 R180
WINDOW 0 41 29 Left 0
WINDOW 3 -92 27 Left 0
SYMATTR InstName D1
SYMATTR Value MV2201
SYMBOL voltage 752 64 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 2.5
SYMBOL cap 1744 32 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName Ckoppel
SYMATTR Value 100n
SYMBOL res 912 32 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R3
SYMATTR Value 100k
SYMBOL res 1552 32 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName Rkoppel
SYMATTR Value 10
TEXT 752 -112 Left 0 !.tran 0 10µ 0 0.1n