Version 4
SHEET 1 2600 804
WIRE -816 -224 -1200 -224
WIRE -288 -224 -816 -224
WIRE -128 -224 -288 -224
WIRE -1200 -208 -1200 -224
WIRE -288 -192 -288 -224
WIRE -288 -112 -1200 -112
WIRE -672 -96 -1120 -96
WIRE -480 -96 -672 -96
WIRE -672 -64 -672 -96
WIRE -128 -48 -128 -224
WIRE -1088 -32 -1168 -32
WIRE -816 -32 -816 -224
WIRE -816 -32 -864 -32
WIRE -480 -16 -480 -96
WIRE -448 -16 -480 -16
WIRE -352 -16 -368 -16
WIRE -1088 32 -1136 32
WIRE -352 32 -352 -16
WIRE -352 32 -864 32
WIRE -1344 48 -1344 16
WIRE -672 48 -672 0
WIRE -128 80 -128 32
WIRE 16 80 -128 80
WIRE 128 80 16 80
WIRE 256 80 192 80
WIRE 480 80 256 80
WIRE 640 80 480 80
WIRE -1120 96 -1120 -96
WIRE -1088 96 -1120 96
WIRE -816 96 -864 96
WIRE 640 96 640 80
WIRE 16 112 16 80
WIRE -816 128 -816 96
WIRE -128 144 -128 80
WIRE -1344 160 -1344 128
WIRE -1200 160 -1200 -112
WIRE -1088 160 -1200 160
WIRE -848 160 -864 160
WIRE -288 160 -288 -112
WIRE -288 160 -432 160
WIRE 480 160 480 80
WIRE 256 176 256 80
WIRE -352 192 -352 32
WIRE -192 192 -352 192
WIRE -1136 208 -1136 32
WIRE -672 208 -672 128
WIRE -672 208 -1136 208
WIRE -592 208 -672 208
WIRE -848 224 -848 160
WIRE -592 224 -592 208
WIRE 16 224 16 192
WIRE -432 240 -432 160
WIRE -288 240 -288 160
WIRE -672 256 -672 208
WIRE -1168 288 -1168 -32
WIRE -352 288 -368 288
WIRE -128 288 -128 240
WIRE -128 288 -224 288
WIRE -128 304 -128 288
WIRE -848 336 -848 288
WIRE -672 336 -672 320
WIRE -592 336 -592 304
WIRE 16 336 16 288
WIRE 256 336 256 240
WIRE 480 352 480 240
WIRE 480 352 384 352
WIRE 480 384 480 352
WIRE 640 400 640 176
WIRE 752 400 640 400
WIRE 640 416 640 400
WIRE -432 432 -432 336
WIRE -288 432 -288 336
WIRE -128 432 -128 384
WIRE 752 432 752 400
WIRE -352 480 -352 288
WIRE 384 480 384 352
WIRE 384 480 -352 480
WIRE 480 544 480 464
WIRE 640 544 640 496
WIRE 752 544 752 496
FLAG -1344 160 0
FLAG -1344 16 5V
FLAG -672 336 0
FLAG -1168 288 0
FLAG -848 336 0
FLAG 256 336 0
FLAG -128 432 0
FLAG -1200 -208 5V
FLAG -816 128 0
FLAG -592 336 0
FLAG -288 432 0
FLAG 16 336 0
FLAG 256 80 out
FLAG 640 544 0
FLAG 752 544 0
FLAG -432 432 0
FLAG 480 544 0
SYMBOL voltage -1344 32 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL Misc\\NE555 -976 64 R0
SYMATTR InstName U2
SYMBOL cap -688 256 R0
SYMATTR InstName C5
SYMATTR Value 1n
SYMBOL cap -864 224 R0
SYMATTR InstName C3
SYMATTR Value 10n
SYMBOL ind -144 -64 R0
SYMATTR InstName L1
SYMATTR Value 10m
SYMBOL diode 128 96 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D3
SYMATTR Value RFU02VS6S
SYMBOL cap 240 176 R0
SYMATTR InstName C1
SYMATTR Value 10n
SYMBOL res -608 208 R0
SYMATTR InstName R5
SYMATTR Value 220k
SYMBOL npn -192 144 R0
SYMATTR InstName Q1
SYMATTR Value 2N5550
SYMBOL res -144 288 R0
SYMATTR InstName R1
SYMATTR Value 10
SYMBOL npn -224 240 M0
SYMATTR InstName Q2
SYMATTR Value 2N3904
SYMBOL res -352 -32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL diode -688 -64 R0
SYMATTR InstName D1
SYMATTR Value 1N914
SYMBOL res -688 32 R0
SYMATTR InstName R6
SYMATTR Value 330
SYMBOL res -304 -208 R0
SYMATTR InstName R7
SYMATTR Value 100k
SYMBOL cap 0 224 R0
SYMATTR InstName C2
SYMATTR Value 100p
SYMBOL res 624 80 R0
SYMATTR InstName R3
SYMATTR Value 100Meg
SYMBOL res 624 400 R0
SYMATTR InstName R8
SYMATTR Value 10k
SYMBOL cap 736 432 R0
SYMATTR InstName C4
SYMATTR Value 100p
SYMBOL res 464 144 R0
SYMATTR InstName R9
SYMATTR Value 5000k
SYMBOL res 464 368 R0
SYMATTR InstName R10
SYMATTR Value 8.2k
SYMBOL npn -368 240 M0
SYMATTR InstName Q3
SYMATTR Value 2N3904
TEXT -1376 184 Left 2 !.tran 0 1 0 1u startup
TEXT 208 -8 Left 2 !.ic v(out)=300