Version 4
SHEET 1 2600 804
WIRE -816 -224 -1200 -224
WIRE -464 -224 -816 -224
WIRE -352 -224 -464 -224
WIRE -1200 -208 -1200 -224
WIRE -464 -192 -464 -224
WIRE -464 -112 -1200 -112
WIRE -768 -96 -1120 -96
WIRE -656 -96 -768 -96
WIRE -768 -64 -768 -96
WIRE -656 -48 -656 -96
WIRE -352 -48 -352 -224
WIRE -1088 -32 -1168 -32
WIRE -816 -32 -816 -224
WIRE -816 -32 -864 -32
WIRE -656 -16 -656 -48
WIRE -624 -16 -656 -16
WIRE -528 -16 -544 -16
WIRE -1088 32 -1136 32
WIRE -528 32 -528 -16
WIRE -528 32 -864 32
WIRE -1344 48 -1344 16
WIRE -768 48 -768 0
WIRE -464 64 -464 -112
WIRE -352 80 -352 32
WIRE -304 80 -352 80
WIRE -288 80 -304 80
WIRE -160 80 -224 80
WIRE 64 80 -160 80
WIRE -1120 96 -1120 -96
WIRE -1088 96 -1120 96
WIRE -816 96 -864 96
WIRE 64 96 64 80
WIRE -816 128 -816 96
WIRE -352 144 -352 80
WIRE -1344 160 -1344 128
WIRE -1200 160 -1200 -112
WIRE -1088 160 -1200 160
WIRE -848 160 -864 160
WIRE -160 176 -160 80
WIRE -528 192 -528 32
WIRE -512 192 -528 192
WIRE -416 192 -512 192
WIRE -1136 208 -1136 32
WIRE -768 208 -768 128
WIRE -768 208 -1136 208
WIRE -720 208 -768 208
WIRE -688 208 -720 208
WIRE -848 224 -848 160
WIRE -688 224 -688 208
WIRE 64 224 64 176
WIRE 176 224 64 224
WIRE -464 240 -464 64
WIRE 64 240 64 224
WIRE -768 256 -768 208
WIRE 176 256 176 224
WIRE -1168 288 -1168 -32
WIRE -368 288 -400 288
WIRE -352 288 -352 240
WIRE -352 288 -368 288
WIRE -352 304 -352 288
WIRE -848 336 -848 288
WIRE -768 336 -768 320
WIRE -688 336 -688 304
WIRE -160 336 -160 240
WIRE 64 368 64 320
WIRE 176 368 176 320
WIRE -464 432 -464 336
WIRE -352 432 -352 384
FLAG -1344 160 0
FLAG -1344 16 5V
FLAG -768 336 0
FLAG -1168 288 0
FLAG -848 336 0
FLAG -160 336 0
FLAG -352 432 0
FLAG -1200 -208 5V
FLAG -816 128 0
FLAG -688 336 0
FLAG -464 432 0
FLAG -160 80 hv
FLAG 64 368 0
FLAG 176 368 0
FLAG -368 288 b2
FLAG -512 192 b1
FLAG -720 208 trig
FLAG -304 80 sw
FLAG -464 64 rst
FLAG -656 -48 out
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 -784 256 R0
SYMATTR InstName C5
SYMATTR Value 1n
SYMBOL cap -864 224 R0
SYMATTR InstName C3
SYMATTR Value 10n
SYMBOL ind -368 -64 R0
SYMATTR InstName L1
SYMATTR Value 10m
SYMBOL diode -288 96 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D3
SYMATTR Value RFU02VS6S
SYMBOL cap -176 176 R0
SYMATTR InstName C1
SYMATTR Value 100p
SYMBOL res -704 208 R0
SYMATTR InstName R5
SYMATTR Value 220k
SYMBOL npn -416 144 R0
SYMATTR InstName Q1
SYMATTR Value 2N5550
SYMBOL res -368 288 R0
SYMATTR InstName R1
SYMATTR Value 47
SYMBOL npn -400 240 M0
SYMATTR InstName Q2
SYMATTR Value 2N3904
SYMBOL res -528 -32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL diode -784 -64 R0
SYMATTR InstName D1
SYMATTR Value 1N914
SYMBOL res -784 32 R0
SYMATTR InstName R6
SYMATTR Value 1k
SYMBOL res -480 -208 R0
SYMATTR InstName R7
SYMATTR Value 100k
SYMBOL res 48 80 R0
SYMATTR InstName R3
SYMATTR Value 100Meg
SYMBOL res 48 224 R0
SYMATTR InstName R8
SYMATTR Value 10k
SYMBOL cap 160 256 R0
SYMATTR InstName C4
SYMATTR Value 1p
TEXT -1376 184 Left 2 !.tran 0 20m 0 1u startup
TEXT -168 16 Left 2 !.ic v(hv)=394
TEXT 8 48 Left 2 ;Geiger Tube
TEXT -152 -96 Left 2 !.temp -65