Version 4
SHEET 1 880 680
WIRE 32 -128 -64 -128
WIRE 160 -128 32 -128
WIRE 224 -128 160 -128
WIRE 256 -128 224 -128
WIRE 400 -128 256 -128
WIRE 512 -128 400 -128
WIRE -64 -112 -64 -128
WIRE 32 -96 32 -128
WIRE 160 -96 160 -128
WIRE 256 -96 256 -128
WIRE 400 -96 400 -128
WIRE 512 -96 512 -128
WIRE -64 0 -64 -32
WIRE 32 0 32 -32
WIRE 32 0 -64 0
WIRE 400 0 400 -32
WIRE 512 0 512 -16
WIRE 512 0 400 0
WIRE 32 32 32 0
WIRE 400 32 400 0
WIRE 160 96 160 -16
WIRE 256 112 256 -16
WIRE 32 160 32 112
WIRE 64 160 32 160
WIRE 160 160 160 96
WIRE 160 160 128 160
WIRE 256 160 256 112
WIRE 304 160 256 160
WIRE 400 160 400 112
WIRE 400 160 368 160
WIRE 160 176 160 160
WIRE 256 176 256 160
WIRE 160 272 160 240
WIRE 256 272 256 240
WIRE 32 288 32 160
WIRE 400 288 400 160
WIRE 128 336 96 336
WIRE 176 336 256 272
WIRE 176 336 128 336
WIRE 256 336 160 272
WIRE 304 336 256 336
WIRE 336 336 304 336
WIRE -160 352 -160 336
WIRE 176 352 176 336
WIRE 256 352 256 336
WIRE -160 464 -160 432
WIRE 32 464 32 384
WIRE 176 464 176 432
WIRE 256 464 256 432
WIRE 400 464 400 384
FLAG -160 464 0
FLAG 32 464 0
FLAG 400 464 0
FLAG -160 336 +UB
FLAG 224 -128 +UB
FLAG 128 336 B_T1
FLAG 304 336 B_T2
FLAG 32 160 C_T1
FLAG 400 160 C_T2
FLAG 256 464 0
FLAG 176 464 0
FLAG 160 96 xb2
FLAG 256 112 xb1
SYMBOL voltage -160 336 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 9
SYMBOL npn 96 288 M0
WINDOW 0 57 30 Left 2
SYMATTR InstName Q1
SYMATTR Value BC547B
SYMBOL npn 336 288 R0
SYMATTR InstName Q2
SYMATTR Value BC547B
SYMBOL LED 16 -96 R0
SYMATTR InstName D1
SYMATTR Value LED
SYMBOL LED 384 -96 R0
SYMATTR InstName D2
SYMATTR Value LED
SYMBOL Misc\\EuropeanResistor 16 16 R0
SYMATTR InstName R1
SYMATTR Value 1.1k
SYMBOL Misc\\EuropeanResistor 144 -112 R0
SYMATTR InstName R2
SYMATTR Value 47k
SYMBOL Misc\\EuropeanResistor 240 -112 R0
SYMATTR InstName R3
SYMATTR Value 47k
SYMBOL Misc\\EuropeanResistor 384 16 R0
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL Misc\\EuropeanResistor -80 -128 R0
SYMATTR InstName R5
SYMATTR Value 4.7k
SYMBOL Misc\\EuropeanResistor 496 -112 R0
SYMATTR InstName R6
SYMATTR Value 4.7k
SYMBOL polcap 64 176 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value 100µ
SYMBOL polcap 368 144 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 100µ
SYMBOL Misc\\EuropeanResistor 240 336 R0
SYMATTR InstName R7
SYMATTR Value 1meg
SYMBOL Misc\\EuropeanResistor 192 336 M0
SYMATTR InstName R8
SYMATTR Value 1meg
SYMBOL diode 144 176 R0
WINDOW 3 -82 60 Left 2
SYMATTR InstName D3
SYMATTR Value 1N4148
SYMBOL diode 240 176 R0
SYMATTR InstName D4
SYMATTR Value 1N4148
TEXT -176 512 Left 2 !.tran 0 20 0 startup
TEXT -176 544 Left 2 !.model LED D(Is=1e-22 Rs=5 N=1.5)