Version 4
SHEET 1 880 680
WIRE -272 -448 -624 -448
WIRE -112 -448 -208 -448
WIRE 224 -448 -112 -448
WIRE -112 -416 -112 -448
WIRE -112 -304 -112 -336
WIRE -112 -224 -240 -224
WIRE 80 -224 -112 -224
WIRE -240 -192 -240 -224
WIRE 80 -192 80 -224
WIRE -112 -128 -112 -224
WIRE -624 -80 -624 -448
WIRE -576 -80 -624 -80
WIRE -368 -80 -576 -80
WIRE -240 -80 -240 -112
WIRE -240 -80 -288 -80
WIRE -176 -80 -240 -80
WIRE 80 -80 80 -112
WIRE -112 0 -112 -32
WIRE -16 0 -112 0
WIRE 112 0 48 0
WIRE 224 0 112 0
WIRE -624 32 -624 -80
WIRE -112 32 -112 0
WIRE 112 32 112 0
WIRE -624 144 -624 112
WIRE -112 144 -112 112
WIRE -112 144 -624 144
WIRE 112 144 112 112
WIRE 112 144 -112 144
WIRE -624 176 -624 144
FLAG 80 -80 0
FLAG -112 -304 0
FLAG 224 -448 P1
FLAG 224 0 N1
FLAG -624 176 0
FLAG -576 -80 in
SYMBOL voltage -624 16 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PULSE(0 5 0 10n 10n 2m 10m)
SYMBOL res -272 -96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 4.7k
SYMBOL res -128 16 R0
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL pnp -176 -32 M180
SYMATTR InstName Q1
SYMATTR Value BC858B
SYMBOL cap -16 16 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value 0.1u
SYMBOL res 96 16 R0
SYMATTR InstName R3
SYMATTR Value 4.7k
SYMBOL res -256 -208 R0
SYMATTR InstName R4
SYMATTR Value 4.7k
SYMBOL voltage 80 -208 R0
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL cap -208 -464 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 0.1u
SYMBOL res -128 -432 R0
SYMATTR InstName R5
SYMATTR Value 4.7k
TEXT -624 -576 Left 2 !.tran 50m