Version 4
SHEET 1 1232 680
WIRE 384 -32 -256 -32
WIRE 448 -32 384 -32
WIRE 448 16 448 -32
WIRE 112 80 48 80
WIRE 384 80 384 -32
WIRE 384 80 336 80
WIRE 48 112 48 80
WIRE 112 144 16 144
WIRE -96 208 -176 208
WIRE 112 208 -96 208
WIRE 400 208 336 208
WIRE 448 208 448 96
WIRE 448 208 400 208
WIRE 112 272 80 272
WIRE -96 288 -96 208
WIRE -96 288 -128 288
WIRE -64 288 -96 288
WIRE -128 336 -128 288
WIRE -64 336 -64 288
WIRE 16 336 16 144
WIRE 448 336 448 208
WIRE 448 336 16 336
WIRE -256 352 -256 -32
WIRE 448 352 448 336
WIRE -256 448 -256 432
WIRE -128 448 -128 416
WIRE -64 448 -64 400
WIRE 448 448 448 416
FLAG 48 112 0
FLAG -256 448 0
FLAG 448 448 0
FLAG 80 272 Vcc
FLAG -256 -32 Vcc
FLAG -176 208 Out
FLAG 400 208 Cap
FLAG -128 448 0
FLAG -64 448 0
SYMBOL Misc\\NE555 224 176 R0
SYMATTR InstName U1
SYMBOL voltage -256 336 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 -5 160 Left 2
SYMATTR Value PWL(0 12 5 12 5.01 0 6 0 6.01 12 20 12 20.01 0 25 0 25.01 12 35 12 35.01 0 70 0 70.01 12)
SYMATTR InstName Vcc
SYMBOL cap 432 352 R0
SYMATTR InstName C2
SYMATTR Value 100µ ic=0
SYMBOL res 432 0 R0
SYMATTR InstName R3
SYMATTR Value 68k
SYMBOL ind -112 320 M0
SYMATTR InstName L1
SYMATTR Value 10m
SYMATTR SpiceLine Rser=920
SYMBOL diode -48 400 R180
WINDOW 0 24 64 Left 2
WINDOW 3 -98 2 Left 2
SYMATTR InstName D1
SYMATTR Value 1N4148
TEXT 128 448 Left 2 !.tran 100 startup