Version 4
SHEET 1 880 680
WIRE -64 -144 -176 -144
WIRE 32 -144 -64 -144
WIRE 480 -144 32 -144
WIRE 480 -112 480 -144
WIRE 32 -80 32 -144
WIRE 432 32 352 32
WIRE -176 64 -176 -144
WIRE -64 80 -64 -144
WIRE 32 80 32 -16
WIRE 224 80 32 80
WIRE 288 80 224 80
WIRE 224 128 224 80
WIRE 480 128 480 -32
WIRE 480 128 352 128
WIRE 32 160 32 80
WIRE 240 224 224 224
WIRE 160 256 160 176
WIRE 432 256 432 32
WIRE 432 256 160 256
WIRE 480 272 480 128
WIRE 240 288 240 224
WIRE -176 384 -176 144
WIRE -64 384 -64 144
WIRE -64 384 -176 384
WIRE 32 384 32 240
WIRE 32 384 -64 384
WIRE 240 384 240 352
WIRE 240 384 32 384
WIRE 480 384 480 336
WIRE 480 384 240 384
WIRE 32 432 32 384
FLAG 32 432 0
SYMBOL diode 16 -80 R0
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL res 16 144 R0
SYMATTR InstName R1
SYMATTR Value 475K
SYMBOL npn 160 128 R0
WINDOW 0 55 35 Left 2
SYMATTR InstName Q1
SYMATTR Value BC547B
SYMBOL pnp 288 32 R0
SYMATTR InstName Q2
SYMATTR Value BC557B
SYMBOL res 464 -128 R0
WINDOW 3 35 76 Left 2
SYMATTR Value 220k
SYMATTR InstName R2
SYMBOL polcap 464 272 R0
WINDOW 3 24 64 Left 2
SYMATTR Value 2.2µ
SYMATTR InstName C1
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=16 Irms=85m Rser=1.8 Lser=0
SYMBOL LED 224 288 R0
SYMATTR InstName D2
SYMATTR Value NSSWS108T
SYMBOL Misc\\battery -176 48 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 132 Left 2
SYMATTR SpiceLine Rser=0.5
SYMATTR InstName V1
SYMATTR Value 7.4
SYMBOL polcap -80 80 R0
WINDOW 3 24 64 Left 2
SYMATTR Value 2.2µ
SYMATTR InstName C2
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=16 Irms=85m Rser=0.8 Lser=0
TEXT -96 456 Left 2 !.tran 10s