Shay wrote :

> I have a 3 pronged 20 MHz Xtal which I want to use to 
> oscillate my PIC...

Is it a metal (shiny) can ?
Could be a crystal with a third ground pin (not that common).

Is it a coulored (blue, beige are common) "drop" like body ?
Probably a ceramic resonator, see prev posts...

Jan-Erik.



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