hello,
Anybody can recommend 3 volt Vref Diode.. I cant use a 2.5volt such as 
LM336BZ-2.5 as the datasheet for pic18f242 says:
(VREFH - VREFL) must be minimum of 3V when Vdd >= 3V..
is this correct as I've heard on other PICS its 2.5volts.. maybe I could use 
a zener but unfortunately I could not find any zeners here that has 1% 
tolerance..

thanks.. 



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