Version 4 SHEET 1 1536 680 WIRE 160 -304 16 -304 WIRE 336 -304 160 -304 WIRE 560 -304 336 -304 WIRE 672 -304 560 -304 WIRE 560 -272 560 -304 WIRE 672 -192 672 -304 WIRE 560 -144 560 -192 WIRE 608 -144 560 -144 WIRE 336 -96 336 -304 WIRE 560 -96 560 -144 WIRE 688 -96 672 -96 WIRE 784 -96 688 -96 WIRE 912 -96 864 -96 WIRE 992 -96 912 -96 WIRE 1104 -96 992 -96 WIRE 560 0 560 -16 WIRE 336 48 336 -16 WIRE 400 48 336 48 WIRE 464 48 400 48 WIRE 496 48 464 48 WIRE 1104 64 1104 -96 WIRE 336 96 336 48 WIRE 400 96 400 48 WIRE 912 96 912 -96 WIRE 912 96 560 96 WIRE 16 144 16 -304 WIRE 464 144 464 48 WIRE 528 144 464 144 WIRE 688 144 688 -96 WIRE 688 144 592 144 WIRE 160 160 160 -304 WIRE 688 160 688 144 WIRE 912 160 912 96 WIRE 992 160 992 -96 WIRE 16 272 16 224 WIRE 160 272 160 224 WIRE 336 272 336 160 WIRE 400 272 400 160 WIRE 688 272 688 224 WIRE 912 272 912 224 WIRE 992 272 992 224 WIRE 1104 272 1104 144 FLAG 16 272 0 FLAG 688 272 0 FLAG 912 272 0 FLAG 1104 272 0 FLAG 336 272 0 FLAG 400 272 0 FLAG 992 272 0 FLAG 160 272 0 SYMBOL voltage 16 128 R0 WINDOW 123 0 0 Left 0 WINDOW 39 24 132 Left 0 SYMATTR InstName V1 SYMATTR Value 30 SYMATTR SpiceLine Rser=.1 SYMBOL npn 496 0 R0 SYMATTR InstName Q2 SYMATTR Value BC546B SYMBOL res 544 -112 R0 SYMATTR InstName R1 SYMATTR Value 470 SYMBOL res 544 -288 R0 SYMATTR InstName R2 SYMATTR Value 220 SYMBOL schottky 704 224 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D1 SYMATTR Value MBRS1100 SYMATTR Description Diode SYMATTR Type diode SYMBOL ind 880 -112 R90 WINDOW 0 5 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName L1 SYMATTR Value 470µ SYMBOL cap 896 160 R0 SYMATTR InstName C1 SYMATTR Value 100µ SYMATTR SpiceLine Rser=.5 SYMBOL res 1088 48 R0 SYMATTR InstName R3 SYMATTR Value 60 SYMBOL cap 592 128 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C2 SYMATTR Value 470p SYMBOL res 320 -112 R0 SYMATTR InstName R4 SYMATTR Value 10k SYMBOL zener 352 160 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D2 SYMATTR Value BZX84C12L SYMATTR Description Diode SYMATTR Type diode SYMBOL cap 384 96 R0 SYMATTR InstName C3 SYMATTR Value 4n7 SYMBOL pnp 608 -96 M180 SYMATTR InstName Q1 SYMATTR Value BD140 SYMBOL cap 976 160 R0 SYMATTR InstName C4 SYMATTR Value 100n SYMBOL cap 144 160 R0 SYMATTR InstName C5 SYMATTR Value 100µ SYMATTR SpiceLine Rser=.5 TEXT -194 344 Left 0 !.tran 0 10m 0 100n startup uic TEXT -192 320 Left 0 !.inc BD140.sub