Version 4
SHEET 1 880 680
WIRE -48 -160 -256 -160
WIRE 528 -160 -48 -160
WIRE -48 -112 -48 -160
WIRE 528 -80 528 -160
WIRE -48 32 -48 -32
WIRE 64 32 -48 32
WIRE 240 32 64 32
WIRE -256 48 -256 -160
WIRE 368 80 304 80
WIRE 528 80 528 0
WIRE 528 80 368 80
WIRE 240 176 240 128
WIRE -48 240 -48 32
WIRE 368 256 368 80
WIRE 528 256 528 80
WIRE 240 304 240 240
WIRE 304 304 240 304
WIRE 240 320 240 304
WIRE -256 448 -256 128
WIRE -48 448 -48 304
WIRE -48 448 -256 448
WIRE 240 448 240 400
WIRE 240 448 -48 448
WIRE 368 448 368 352
WIRE 368 448 240 448
WIRE 528 448 528 336
WIRE 528 448 368 448
WIRE -48 480 -48 448
FLAG -48 480 0
FLAG 64 32 c
SYMBOL current -48 -112 R0
SYMATTR InstName I1
SYMATTR Value 100u
SYMBOL npn 304 256 R0
SYMATTR InstName Q1
SYMATTR Value BC546B
SYMBOL pnp 304 128 R180
SYMATTR InstName Q2
SYMATTR Value BC556B
SYMBOL cap -64 240 R0
SYMATTR InstName C1
SYMATTR Value 10n
SYMBOL Misc\\EuropeanResistor 512 240 R0
SYMATTR InstName R1
SYMATTR Value 22k
SYMBOL Misc\\EuropeanResistor 512 -96 R0
SYMATTR InstName R2
SYMATTR Value 22k
SYMBOL Misc\\EuropeanResistor 224 304 R0
SYMATTR InstName R3
SYMATTR Value 1Meg
SYMBOL voltage -256 32 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL diode 224 176 R0
SYMATTR InstName D1
SYMATTR Value 1N4148
TEXT -64 -200 Left 2 !.tran 0 2m 0 1u startup