Version 4
SHEET 1 880 680
WIRE 48 -64 -96 -64
WIRE 352 -64 48 -64
WIRE 480 -64 352 -64
WIRE 48 0 48 -64
WIRE 480 0 480 -64
WIRE -96 48 -96 -64
WIRE 352 48 352 16
WIRE 416 48 352 48
WIRE 48 112 48 80
WIRE 144 112 48 112
WIRE 256 112 144 112
WIRE 480 112 480 96
WIRE 480 112 256 112
WIRE 48 128 48 112
WIRE 144 128 144 112
WIRE 256 128 256 112
WIRE 480 208 480 112
WIRE 144 240 144 208
WIRE 352 240 352 48
WIRE 256 288 256 208
WIRE 256 288 208 288
WIRE 288 288 256 288
WIRE 48 336 48 208
WIRE 144 336 48 336
WIRE 352 352 352 336
WIRE 480 352 480 272
WIRE 480 352 352 352
WIRE 48 368 48 336
WIRE 480 368 480 352
FLAG 48 448 0
FLAG -96 128 0
FLAG 480 448 0
SYMBOL npn 208 240 M0
WINDOW 0 5 99 Left 2
WINDOW 3 -27 125 Left 2
SYMATTR InstName Q1
SYMATTR Value BC847C
SYMBOL npn 288 240 R0
WINDOW 0 13 102 Left 2
WINDOW 3 -5 128 Left 2
SYMATTR InstName Q2
SYMATTR Value BC847C
SYMBOL res 128 112 R0
SYMATTR InstName R1
SYMATTR Value 100k
SYMBOL res 240 112 R0
SYMATTR InstName R2
SYMATTR Value 100k
SYMBOL res 336 -80 R0
SYMATTR InstName R3
SYMATTR Value 2k7
SYMBOL LED 464 208 R0
SYMATTR InstName D1
SYMATTR Value NSSW008CT-P1
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 464 352 R0
SYMATTR InstName R4
SYMATTR Value 5
SYMBOL res 32 112 R0
WINDOW 0 -35 46 Left 2
WINDOW 3 -44 79 Left 2
SYMATTR InstName R5
SYMATTR Value 2k7
SYMBOL res 32 352 R0
WINDOW 0 -41 40 Left 2
WINDOW 3 -43 66 Left 2
SYMATTR InstName R6
SYMATTR Value 100
SYMBOL res 32 -16 R0
SYMATTR InstName R7
SYMATTR Value 1k
SYMBOL voltage -96 32 R0
WINDOW 3 -142 133 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value PULSE(0 10 0 1 1 1 1)
SYMATTR InstName V1
SYMBOL pnp 416 96 M180
SYMATTR InstName Q3
SYMATTR Value BC857C
TEXT -208 392 Left 2 !.tran 1