Version 4
SHEET 1 1268 680
WIRE -256 112 -352 112
WIRE -144 112 -256 112
WIRE -96 112 -144 112
WIRE 32 112 -16 112
WIRE 80 112 32 112
WIRE 368 112 176 112
WIRE 704 112 368 112
WIRE 752 112 704 112
WIRE 880 112 752 112
WIRE 992 112 880 112
WIRE 1072 112 992 112
WIRE 1200 112 1072 112
WIRE 752 144 752 112
WIRE 704 160 704 112
WIRE 880 160 880 112
WIRE 32 224 32 112
WIRE 128 224 128 176
WIRE 992 224 992 112
WIRE -256 240 -256 112
WIRE -144 240 -144 112
WIRE -352 256 -352 112
WIRE 704 256 704 224
WIRE 752 256 752 224
WIRE 752 256 704 256
WIRE 800 256 752 256
WIRE 896 272 864 272
WIRE 928 272 896 272
WIRE 1072 272 1072 112
WIRE 1200 272 1200 112
WIRE 800 288 704 288
WIRE 256 320 224 320
WIRE 368 320 368 112
WIRE 368 320 336 320
WIRE 752 320 752 256
WIRE 896 352 896 272
WIRE 912 352 896 352
WIRE 992 352 992 320
WIRE 992 352 976 352
WIRE 224 384 224 320
WIRE 704 432 704 288
WIRE 880 432 880 240
WIRE 880 432 704 432
WIRE -144 448 -144 304
WIRE 80 448 80 288
WIRE 80 448 -144 448
WIRE 144 448 80 448
WIRE 368 448 368 320
WIRE 368 448 304 448
WIRE 880 464 880 432
WIRE -352 512 -352 336
WIRE -256 512 -256 304
WIRE 752 560 752 400
WIRE 880 560 880 528
WIRE 992 560 992 352
WIRE 1072 560 1072 336
WIRE 1200 560 1200 352
FLAG -352 512 0
FLAG 752 560 0
FLAG 992 560 0
FLAG 1200 560 0
FLAG 1200 112 out
FLAG 1072 560 0
FLAG -256 512 0
FLAG 880 560 0
SYMBOL LM334 224 448 R270
SYMATTR InstName U1
SYMBOL npn 80 176 R270
SYMATTR InstName Q1
SYMBOL pnp 128 288 M270
SYMATTR InstName Q2
SYMBOL res 0 96 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 15
SYMBOL LED -160 240 R0
WINDOW 3 29 114 Left 0
SYMATTR Value NSPW500BS
SYMATTR InstName D1
SYMBOL res 352 304 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 12
SYMBOL voltage -352 240 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 30
SYMBOL pnp 928 320 M180
SYMATTR InstName Q3
SYMBOL Opamps\\opamp 832 208 R0
SYMATTR InstName U2
SYMBOL res 736 128 R0
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL res 736 304 R0
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL res 1184 256 R0
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL cap 688 160 R0
WINDOW 3 -51 10 Left 0
SYMATTR Value 200p
SYMATTR InstName C1
SYMBOL cap 1056 272 R0
SYMATTR InstName C2
SYMATTR Value 220µ
SYMBOL cap -272 240 R0
WINDOW 3 23 82 Left 0
SYMATTR Value 220µ
SYMATTR InstName C3
SYMBOL zener 896 528 R180
WINDOW 0 24 72 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName D2
SYMATTR Value BZX84C10L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 864 144 R0
SYMATTR InstName R8
SYMATTR Value 10k
SYMBOL cap 976 336 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C5
SYMATTR Value 15p
TEXT -136 544 Left 0 !;op
TEXT -136 584 Left 0 !.tran 0 100m 0 1u startup