Version 4
SHEET 1 880 680
WIRE 304 -32 48 -32
WIRE 304 16 304 -32
WIRE 240 64 176 64
WIRE 176 160 176 64
WIRE 304 176 304 112
WIRE 384 176 304 176
WIRE 48 192 48 -32
WIRE 384 192 384 176
WIRE 304 208 304 176
WIRE 48 336 48 272
WIRE 176 336 176 240
WIRE 176 336 48 336
WIRE 304 336 304 272
WIRE 304 336 176 336
WIRE 384 336 384 272
WIRE 384 336 304 336
WIRE 304 400 304 336
FLAG 304 400 0
FLAG 304 176 Uc1
SYMBOL voltage 48 176 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL pnp 240 112 M180
SYMATTR InstName Q1
SYMATTR Value BD140
SYMBOL Misc\\EuropeanResistor 160 144 R0
SYMATTR InstName R2
SYMATTR Value 6800
SYMBOL cap 288 208 R0
SYMATTR InstName C1
SYMATTR Value 1
SYMBOL current 384 192 R0
WINDOW 3 -32 179 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName I1
SYMATTR Value PULSE(0 0.5 0 0 0 2 12 10)
TEXT 16 424 Left 2 !.tran 60