Version 4
SHEET 1 880 1460
WIRE 304 -48 -64 -48
WIRE -64 32 -64 -48
WIRE -64 32 -304 32
WIRE 112 32 -64 32
WIRE 256 32 192 32
WIRE 320 32 256 32
WIRE 528 32 384 32
WIRE 672 32 528 32
WIRE 736 32 672 32
WIRE -64 80 -64 32
WIRE 32 128 0 128
WIRE 144 128 32 128
WIRE 256 128 256 32
WIRE 256 128 224 128
WIRE 304 144 304 -48
WIRE 528 144 528 32
WIRE 528 144 496 144
WIRE 32 208 32 128
WIRE 304 208 32 208
WIRE 256 224 256 128
WIRE 528 240 496 240
WIRE -304 256 -304 32
WIRE 672 256 672 32
WIRE -64 272 -64 176
WIRE 192 272 -64 272
WIRE 736 288 736 32
WIRE 528 304 528 240
WIRE -64 384 -64 272
WIRE 32 384 32 208
WIRE 528 400 528 384
WIRE -304 496 -304 336
WIRE -64 496 -64 464
WIRE -64 496 -304 496
WIRE 32 496 32 464
WIRE 32 496 -64 496
WIRE 256 496 256 320
WIRE 256 496 32 496
WIRE 528 496 528 464
WIRE 528 496 256 496
WIRE 672 496 672 336
WIRE 672 496 528 496
WIRE 736 496 736 352
WIRE 736 496 672 496
WIRE 32 608 32 496
WIRE -96 864 -336 864
WIRE 80 864 -96 864
WIRE 224 864 160 864
WIRE 288 864 224 864
WIRE 496 864 352 864
WIRE 640 864 496 864
WIRE 704 864 640 864
WIRE 496 896 496 864
WIRE -96 912 -96 864
WIRE 0 960 -32 960
WIRE 112 960 0 960
WIRE 224 960 224 864
WIRE 224 960 192 960
WIRE 496 992 496 976
WIRE 224 1056 224 960
WIRE -336 1088 -336 864
WIRE 640 1088 640 864
WIRE -96 1104 -96 1008
WIRE 32 1104 -96 1104
WIRE 144 1104 112 1104
WIRE 160 1104 144 1104
WIRE 704 1120 704 864
WIRE 144 1200 144 1104
WIRE 320 1200 144 1200
WIRE -96 1216 -96 1104
WIRE 0 1216 0 960
WIRE 496 1248 496 1056
WIRE 496 1248 384 1248
WIRE -336 1328 -336 1168
WIRE -96 1328 -96 1296
WIRE -96 1328 -336 1328
WIRE 0 1328 0 1296
WIRE 0 1328 -96 1328
WIRE 224 1328 224 1152
WIRE 224 1328 0 1328
WIRE 320 1328 320 1296
WIRE 320 1328 224 1328
WIRE 640 1328 640 1168
WIRE 640 1328 320 1328
WIRE 704 1328 704 1184
WIRE 704 1328 640 1328
WIRE 0 1440 0 1328
FLAG 32 608 0
FLAG 0 1440 0
SYMBOL npn 192 224 R0
SYMATTR InstName Q1
SYMATTR Value 2N2222
SYMBOL pnp 0 176 R180
SYMATTR InstName Q2
SYMATTR Value BC557B
SYMBOL ind 208 16 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName L1
SYMATTR Value 300µ
SYMATTR SpiceLine Rser=1
SYMBOL res -80 368 R0
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL res 16 368 R0
SYMATTR InstName R2
SYMATTR Value 100k
SYMBOL schottky 320 48 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 cap 720 288 R0
SYMATTR InstName C1
SYMATTR Value 47µ
SYMBOL res 240 112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 220k
SYMBOL voltage -304 240 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 1.5
SYMBOL res 656 240 R0
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL Optos\\4N25 400 208 M0
SYMATTR InstName U1
SYMBOL zener 544 464 R180
WINDOW 0 24 64 Left 2
WINDOW 3 85 22 Left 2
SYMATTR InstName D2
SYMATTR Value BZX84C7V5L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 512 288 R0
SYMATTR InstName R6
SYMATTR Value 470
SYMBOL npn 160 1056 R0
SYMATTR InstName Q3
SYMATTR Value 2N2222
SYMBOL pnp -32 1008 R180
SYMATTR InstName Q4
SYMATTR Value BC557B
SYMBOL ind 176 848 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName L2
SYMATTR Value 300µ
SYMATTR SpiceLine Rser=1
SYMBOL res -112 1200 R0
SYMATTR InstName R7
SYMATTR Value 1k
SYMBOL res -16 1200 R0
SYMATTR InstName R8
SYMATTR Value 100k
SYMBOL schottky 288 880 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D3
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 688 1120 R0
SYMATTR InstName C2
SYMATTR Value 47µ
SYMBOL res 208 944 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 220k
SYMBOL voltage -336 1072 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 1.5
SYMBOL res 624 1072 R0
SYMATTR InstName R10
SYMATTR Value 1k
SYMBOL res 128 1088 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R11
SYMATTR Value 220
SYMBOL zener 512 1056 R180
WINDOW 0 24 64 Left 2
WINDOW 3 85 22 Left 2
SYMATTR InstName D4
SYMATTR Value BZX84C7V5L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 480 880 R0
SYMATTR InstName R12
SYMATTR Value 470
SYMBOL npn 384 1200 M0
SYMATTR InstName Q5
SYMATTR Value BC547B
TEXT 80 712 Left 2 !.tran 100m startup