Version 4 SHEET 1 2016 772 WIRE 336 64 336 32 WIRE 160 112 80 112 WIRE 272 112 240 112 WIRE 336 208 336 160 WIRE -208 320 -400 320 WIRE 160 320 -128 320 WIRE 336 320 336 272 WIRE 336 320 224 320 WIRE -400 368 -400 320 WIRE 624 368 624 336 WIRE 336 384 336 320 WIRE -400 480 -400 448 WIRE 624 480 624 448 WIRE -208 528 -400 528 WIRE 80 528 80 112 WIRE 80 528 -128 528 WIRE 336 528 336 448 WIRE 336 528 80 528 WIRE -400 576 -400 528 WIRE -400 688 -400 656 FLAG 336 32 +3V FLAG 624 336 +3V FLAG 624 480 0 FLAG -400 480 0 FLAG -400 688 0 SYMBOL pnp 272 160 M180 SYMATTR InstName Q1 SYMATTR Value 2N4403 SYMBOL res 256 96 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 1k SYMBOL LED 320 208 R0 SYMATTR InstName D1 SYMATTR Value LXHL-BW02 SYMATTR Description Diode SYMATTR Type diode SYMBOL schottky 224 304 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D2 SYMATTR Value BAT54 SYMATTR Description Diode SYMATTR Type diode SYMBOL cap 320 384 R0 SYMATTR InstName C1 SYMATTR Value 10µ SYMBOL res -112 304 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 36 SYMBOL res -112 512 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 9 SYMBOL voltage -400 352 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value PULSE(0 3 0 10n 10n 3u 18m) SYMBOL voltage -400 560 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value PULSE(3 0 0 10n 10n 3u 18m) SYMBOL voltage 624 352 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V3 SYMATTR Value 3 TEXT 256 688 Left 2 !.tran 0 300m 200m 100n TEXT 520 120 Left 2 ;1. I can find no Spice model for Luxeon Z LEDs. Until I create one, this LED will serve as a (perhaps poor) subsitute TEXT -512 112 Left 2 ;PIC12F508 with output impedance model TEXT 520 160 Left 2 ;2. PIC output resistor values derived from "typical" Vol/Iol graphs in the datasheet. I need to measure them. TEXT 488 88 Left 2 ;Notes: RECTANGLE Normal -528 80 16 720 2