piclist 2001\04\22\141053a >
Thread: Which Oscillator in a Rocket?
www.piclist.com/techref/microchip/time.htm?key=oscillator
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face BY : David VanHorn email (remove spam text)



At 08:57 PM 4/21/01 +0100, Alan B. Pearce wrote:
> >However, taking a look at
> >commercial altimeters (like the R-DAS. pictures at
> >http://www.fortunepaint.com/aerocon_interim/rdas.htm ) I notice that they
> >often use crystal oscillators. Does this mean it's generally okay to use
>them
> >without much frequency drift?
>
>They may be using ruggedised oscillators. I do not know what is done to make
>them more rugged, but you may get away with ordinary ones by being careful
>about which axis you mount them in.

You'd definitely not want the thrust axis through the sides of the case.
RC osc or resonators would be safer.
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