Version 4
SHEET 1 908 964
WIRE 112 -64 -176 -64
WIRE 416 -64 112 -64
WIRE 112 -32 112 -64
WIRE 416 -16 416 -64
WIRE 112 64 112 48
WIRE 112 64 0 64
WIRE 272 64 112 64
WIRE 0 80 0 64
WIRE 416 96 416 64
WIRE 464 96 416 96
WIRE 560 96 464 96
WIRE 640 96 624 96
WIRE 720 96 640 96
WIRE -176 112 -176 -64
WIRE 112 128 112 64
WIRE 416 128 416 96
WIRE 720 128 720 96
WIRE 0 176 0 160
WIRE 48 176 0 176
WIRE 272 176 272 64
WIRE 352 176 272 176
WIRE 640 192 640 96
WIRE 720 224 720 192
WIRE 112 240 112 224
WIRE 416 240 416 224
WIRE 0 304 0 176
WIRE 32 304 0 304
WIRE 192 304 112 304
WIRE 464 304 464 96
WIRE 464 304 256 304
WIRE -176 320 -176 192
WIRE 640 336 640 256
WIRE 720 336 720 288
FLAG 720 336 0
FLAG 416 240 0
FLAG 112 240 0
FLAG -176 320 0
FLAG 720 96 LED
FLAG 640 336 0
SYMBOL npn 48 128 R0
SYMATTR InstName Q1
SYMATTR Value BC817-40
SYMBOL npn 352 128 R0
SYMATTR InstName Q2
SYMATTR Value BC817-40
SYMBOL res 96 -48 R0
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL res -16 64 R0
SYMATTR InstName R2
SYMATTR Value 2k2
SYMBOL res 128 288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 1k
SYMBOL cap 256 288 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 1n
SYMBOL ind 400 -32 R0
SYMATTR InstName L1
SYMATTR Value 470µ
SYMBOL voltage -176 96 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 1V
SYMBOL cap 624 192 R0
SYMATTR InstName C2
SYMATTR Value 1µ
SYMBOL schottky 560 112 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL LED 704 128 R0
SYMATTR InstName D2
SYMATTR Value LA_T676-typ
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL LED 704 224 R0
SYMATTR InstName D3
SYMATTR Value LA_T676-typ
SYMATTR Description Diode
SYMATTR Type diode
TEXT 40 400 Left 2 !.tran 10ms startup uic