On 5/18/11 2:18 AM, iov...@inwind.it wrote:
Michael wrote:
You are right, the right value for the crystal would be about 32859.27, but
I
thought that such a difference could be compensated in the circuitry,
that's
why I omitted the decimals.
before you get into grinding I have a question on your chosen frequency.
It doesn't square for me.
1,002737909350795 solar/sidereal time ratio
x 32768 crystal frequency
32857,72 required frequency for sidereal clock with 2^15 divider chain
I agree with your calculation.
Here I ask Jim Lux for help, as when I wrote the first post I simply took that
value from his article without re-checking.
http://www.techbriefs.com/component/content/article/2299
I think there was an error in that article (most likely a typo somewhere
in the transcription process). I'll go check. But your calculation
above is correct.
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