Version 4
SHEET 1 1252 680
WIRE -752 -240 -912 -240
WIRE -576 -240 -752 -240
WIRE -384 -240 -576 -240
WIRE -224 -240 -384 -240
WIRE -752 -192 -752 -240
WIRE -576 -192 -576 -240
WIRE -384 -192 -384 -240
WIRE -224 -192 -224 -240
WIRE -576 -96 -576 -128
WIRE -576 32 -576 -16
WIRE -384 32 -384 -128
WIRE -912 48 -912 -240
WIRE -752 80 -752 -112
WIRE -640 80 -752 80
WIRE -224 80 -224 -112
WIRE -224 80 -320 80
WIRE -576 176 -576 128
WIRE -480 176 -576 176
WIRE -384 176 -384 128
WIRE -384 176 -480 176
WIRE -752 240 -752 80
WIRE -480 240 -480 176
WIRE -224 240 -224 80
WIRE -912 352 -912 128
WIRE -752 352 -752 320
WIRE -480 352 -480 320
WIRE -224 352 -224 320
FLAG -752 352 0
FLAG -480 352 0
FLAG -224 352 0
FLAG -912 352 0
SYMBOL res -592 -112 R0
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL res -240 -208 R0
SYMATTR InstName R2
SYMATTR Value 100k
SYMBOL res -768 224 R0
SYMATTR InstName R3
SYMATTR Value 4k7
SYMBOL res -240 224 R0
SYMATTR InstName R4
SYMATTR Value 47k
SYMBOL res -496 224 R0
SYMATTR InstName R5
SYMATTR Value 1k
SYMBOL res -768 -208 R0
SYMATTR InstName R6
SYMATTR Value 10k
SYMBOL npn -640 32 R0
SYMATTR InstName Q1
SYMATTR Value BC547B
SYMBOL npn -320 32 M0
SYMATTR InstName Q2
SYMATTR Value BC547B
SYMBOL LED -592 -192 R0
SYMATTR InstName D1
SYMATTR Value NSCW100
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL LED -400 -192 R0
SYMATTR InstName D2
SYMATTR Value NSCW100
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL voltage -912 32 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 9V
TEXT -908 400 Left 2 !.tran 10m