Version 4
SHEET 1 880 680
WIRE 176 -32 96 -32
WIRE 192 -32 176 -32
WIRE 624 -32 224 -32
WIRE 96 16 96 -32
WIRE 176 16 176 -32
WIRE 224 96 224 -32
WIRE 624 144 624 -32
WIRE -80 160 -128 160
WIRE 48 160 0 160
WIRE 96 160 96 96
WIRE 96 160 48 160
WIRE 176 160 96 160
WIRE -128 176 -128 160
WIRE 224 224 224 192
WIRE 256 224 224 224
WIRE 0 240 0 160
WIRE 48 256 48 224
WIRE 224 256 224 224
WIRE 224 256 48 256
WIRE 624 256 624 224
WIRE 224 272 224 256
WIRE -128 288 -128 256
WIRE 48 288 48 256
WIRE 0 368 0 304
WIRE 48 368 48 352
WIRE 48 368 0 368
WIRE -128 384 -128 352
WIRE 48 384 48 368
WIRE 224 384 224 352
FLAG -128 384 0
FLAG 48 384 0
FLAG 224 384 0
FLAG 624 256 0
FLAG 176 16 0
SYMBOL njf 176 96 R0
SYMATTR InstName J1
SYMATTR Value 2N3819
SYMBOL voltage 624 128 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 3.3
SYMBOL res 208 256 R0
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL cap 32 288 R0
SYMATTR InstName C1
SYMATTR Value 100p
SYMBOL cap 32 160 R0
SYMATTR InstName C2
SYMATTR Value 68p
SYMBOL ind -144 160 R0
SYMATTR InstName L1
SYMATTR Value 30µ
SYMBOL res 16 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 1
SYMBOL cap -144 288 R0
SYMATTR InstName C3
SYMATTR Value 10p
SYMBOL res 80 0 R0
SYMATTR InstName R3
SYMATTR Value 100k
SYMBOL diode -16 240 R0
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL cap 320 208 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 10p
TEXT -152 408 Left 2 !.tran 0 100u 0 10n