Version 4
SHEET 1 880 680
WIRE 512 16 400 16
WIRE 512 96 512 16
WIRE 368 112 336 112
WIRE 400 112 400 96
WIRE 400 112 368 112
WIRE 96 160 80 160
WIRE 160 160 96 160
WIRE 272 160 240 160
WIRE 80 192 80 160
WIRE 80 304 80 272
WIRE 336 304 336 208
WIRE 336 304 80 304
WIRE 512 304 512 176
WIRE 512 304 336 304
WIRE 336 320 336 304
FLAG 336 320 0
FLAG 368 112 Vce
FLAG 96 160 Vcommande
SYMBOL voltage 80 176 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PULSE(0 5 0 1u 1u 125u 250u)
SYMBOL res 256 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 47k
SYMBOL npn 272 112 R0
SYMATTR InstName Q1
SYMATTR Value BC847B
SYMBOL res 384 0 R0
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL voltage 512 80 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 5V
TEXT 46 314 Left 2 !.tran 500u