Version 4
SHEET 1 880 680
WIRE 48 16 -144 16
WIRE 256 16 48 16
WIRE 256 64 256 16
WIRE 48 80 48 16
WIRE -144 160 -144 16
WIRE 256 192 256 144
WIRE 416 192 256 192
WIRE 528 192 496 192
WIRE 48 240 48 160
WIRE 80 240 48 240
WIRE 192 240 160 240
WIRE 528 272 528 192
WIRE -144 320 -144 240
WIRE 256 336 256 288
WIRE 528 352 528 336
FLAG -144 320 0
FLAG 256 336 0
FLAG 528 352 0
SYMBOL ind2 240 48 R0
SYMATTR InstName L1
SYMATTR Value 440u
SYMBOL ind2 64 176 R180
WINDOW 0 36 80 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName L2
SYMATTR Value 440u
SYMBOL res 176 224 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 2K
SYMBOL res 512 176 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 470
SYMBOL npn 192 192 R0
SYMATTR InstName Q1
SYMATTR Value 2SC1815-Y
SYMBOL LED 512 272 R0
SYMATTR InstName D1
SYMATTR Value QTLP690C
SYMBOL voltage -144 144 R0
SYMATTR InstName V1
SYMATTR Value 1.5
TEXT -176 376 Left 2 !.tran 200u startup
TEXT 96 120 Left 2 !K1 L1 L2 1