Mike S,
I think you missed the point ! One does not ask the question "How does
one get a 32.768KHz signal from our 10MHz reference ?" and not expect
it to cost both in terms of money and effort. There was no statement
of doing it cheap, re-read the original Email.
Bill....WB6BNQ
Mike S wrote:
At 05:42 PM 7/23/2008, Bruce Griffiths wrote...
>Another approach is to divide the 10MHz by 5^7 (78125) and then use
an
>
>injection locked multiplier chain to generate 32768 Hz from the
>resultant 128Hz output.
>It may even be possible to do the 256x multiplication using a
single
>injection locked 32768Hz injection locked multiplier.
You're missing the point. The application is to drive a common,
readily
available consumer clock. Simple and cheap. It can be done with a
single $1 PIC. You could spend $20 or $100 and not get better
results
for the application. If you can describe a way of doing it for
$0.50,
please do.
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