Version 4 SHEET 1 880 680 WIRE -80 -480 -256 -480 WIRE 80 -480 16 -480 WIRE 176 -480 80 -480 WIRE 336 -480 256 -480 WIRE 80 -416 80 -480 WIRE 0 -320 0 -432 WIRE 80 -320 80 -336 WIRE 80 -320 0 -320 WIRE 144 -320 80 -320 WIRE -256 -256 -256 -480 WIRE -80 -256 -256 -256 WIRE 80 -256 16 -256 WIRE 176 -256 80 -256 WIRE 336 -256 336 -480 WIRE 336 -256 256 -256 WIRE 80 -224 80 -256 WIRE -256 -112 -256 -256 WIRE -128 -112 -256 -112 WIRE 0 -112 0 -208 WIRE 0 -112 -32 -112 WIRE 80 -112 80 -144 WIRE 80 -112 0 -112 WIRE 144 -112 144 -320 WIRE 144 -112 80 -112 WIRE 64 -16 -32 -16 WIRE 256 -16 128 -16 WIRE -80 0 -80 -48 WIRE -256 128 -256 -112 WIRE -208 128 -256 128 WIRE -80 128 -80 80 WIRE -80 128 -128 128 WIRE -32 128 -32 -16 WIRE -32 128 -80 128 WIRE -16 128 -32 128 WIRE 256 128 256 -16 WIRE 256 128 240 128 WIRE 336 128 336 -256 WIRE 336 128 256 128 WIRE 448 128 336 128 WIRE 528 128 448 128 WIRE 560 128 528 128 WIRE 336 160 336 128 WIRE -256 208 -256 128 WIRE -80 240 -80 128 WIRE 448 240 448 128 WIRE 560 240 560 128 WIRE -256 256 -256 208 WIRE 112 272 112 224 WIRE 336 272 336 240 WIRE 336 272 112 272 WIRE 336 288 336 272 WIRE -256 400 -256 336 WIRE -80 400 -80 304 WIRE -80 400 -256 400 WIRE 336 400 336 368 WIRE 336 400 -80 400 WIRE 448 400 448 304 WIRE 448 400 336 400 WIRE 560 400 560 320 WIRE 560 400 448 400 WIRE -256 416 -256 400 FLAG -256 416 0 FLAG -256 208 In FLAG 528 128 Out SYMBOL nmos -80 -208 R270 WINDOW 0 24 -47 VRight 2 WINDOW 3 127 572 VRight 2 SYMATTR InstName M1 SYMATTR Value BSC077N12NS3 SYMBOL res 320 144 R0 SYMATTR InstName R1 SYMATTR Value 120 SYMBOL res 320 272 R0 SYMATTR InstName R2 SYMATTR Value 7k7 SYMBOL res -224 112 M90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 1.5 SYMBOL pnp -32 -48 M270 WINDOW 0 22 132 VLeft 2 WINDOW 3 243 -557 VLeft 2 SYMATTR InstName Q1 SYMATTR Value BC856B SYMBOL res -96 -16 R0 WINDOW 0 -37 36 Left 2 WINDOW 3 -46 72 Left 2 SYMATTR InstName R4 SYMATTR Value 330 SYMBOL res 96 -128 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R5 SYMATTR Value 10k SYMBOL res 544 224 R0 SYMATTR InstName Load SYMATTR Value 8 SYMBOL voltage -256 240 R0 WINDOW 3 733 -479 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value PULSE(70 100 0 1) SYMBOL PowerProducts\\LM317 112 128 R0 WINDOW 3 426 -294 Left 2 SYMATTR InstName U1 SYMBOL res 272 -272 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R8 SYMATTR Value 0.1 SYMBOL nmos -80 -432 R270 WINDOW 0 24 -47 VRight 2 WINDOW 3 -50 568 VRight 2 SYMATTR InstName M2 SYMATTR Value BSC077N12NS3 SYMBOL res 272 -496 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R7 SYMATTR Value 0.1 SYMBOL res 96 -320 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R6 SYMATTR Value 10k SYMBOL polcap -96 240 R0 WINDOW 3 24 56 Left 2 SYMATTR InstName C1 SYMATTR Value 1µ SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=100 Irms=15m Rser=20 Lser=0 mfg="Nichicon" pn="UPR2A010MAH" type="Al electrolytic" SYMBOL polcap 432 240 R0 WINDOW 3 24 56 Left 2 SYMATTR InstName C2 SYMATTR Value 1µ SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=100 Irms=15m Rser=20 Lser=0 mfg="Nichicon" pn="UPR2A010MAH" type="Al electrolytic" SYMBOL schottky 128 -32 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 -179 -446 VTop 2 SYMATTR InstName D1 SYMATTR Value MBRS1100 SYMATTR Description Diode SYMATTR Type diode TEXT 534 -136 Left 2 !.tran 1 TEXT 224 328 Left 2 ;10k pot TEXT 80 128 Left 2 ;TL783 TEXT 528 -424 Left 2 ;Sim only RECTANGLE Normal 688 -96 464 -448 2