Version 4 SHEET 1 2740 2480 WIRE 2208 1872 2064 1872 WIRE 2064 1888 2064 1872 WIRE 2208 1888 2208 1872 WIRE 2064 1984 2064 1968 WIRE 2208 1984 2208 1968 WIRE 1920 2048 1776 2048 WIRE 1936 2048 1936 2016 WIRE 1936 2048 1920 2048 WIRE 2032 2048 1936 2048 WIRE 2160 2048 2032 2048 WIRE 2032 2064 2032 2048 WIRE 1776 2080 1776 2048 WIRE 1920 2080 1920 2048 WIRE 2032 2144 2032 2128 WIRE 2112 2144 2032 2144 WIRE 2208 2144 2208 2080 WIRE 2208 2144 2176 2144 WIRE 2032 2160 2032 2144 WIRE 2208 2160 2208 2144 WIRE 1776 2192 1776 2144 WIRE 1920 2192 1920 2144 WIRE 2032 2256 2032 2224 WIRE 2208 2256 2208 2240 FLAG 1920 2192 0 FLAG 2032 2256 0 FLAG 2208 2256 0 FLAG 2064 1984 0 FLAG 1776 2192 0 FLAG 1936 1952 0 SYMBOL NJF 2160 1984 R0 SYMATTR InstName Q1 SYMATTR Value 2N5484 SYMBOL RES 2192 1872 R0 SYMATTR InstName R1 SYMATTR Value 500 SYMBOL res 2192 2144 R0 SYMATTR InstName R2 SYMATTR Value 1K SYMBOL cap 2016 2064 R0 SYMATTR InstName C1 SYMATTR Value 100p SYMBOL cap 2016 2160 R0 SYMATTR InstName C2 SYMATTR Value 100p SYMBOL cap 2176 2128 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C3 SYMATTR Value 200p SYMBOL VOLTAGE 2064 1872 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 12 SYMBOL Misc\\xtal 1904 2080 R0 SYMATTR InstName C4 SYMATTR Value 0.25p SYMATTR SpiceLine Lser=1m Cpar=50p SYMBOL diode 1920 1952 R0 SYMATTR InstName D1 SYMATTR Value 1N4148 SYMBOL cap 1760 2080 R0 SYMATTR InstName C5 TEXT 1832 2288 Left 2 !.tran 500µ startup TEXT 1832 2320 Left 2 !.options method=trap TEXT 2048 2344 Top 1 ;This example schematic is supplied for informational/educational purposes only.