[time-nuts] How to get 32.768KHz from 10MHz.

Jim Lux james.p.lux at jpl.nasa.gov
Thu Jul 24 00:58:42 EDT 2008

Quoting Tom Van Baak <tvb at LeapSecond.com>, on Wed 23 Jul 2008 06:27:30 PM PDT:

> The result will be a $1, 8-pin, single-chip, 10 MHz to 32 kHz, low
> (not zero) jitter frequency divider, suitable for driving cheap digital
> or analog clock and watch movements from a 10 MHz source.
> Extra credit for the 5 MHz version.

Or, with a bit of work, you could make a sidereal clock (handy for  
astronomers) or a Mars clock (handy for a very small set of people who  
want to keep Mars time).

One might also be able to do a tide clock of some sort too, but it  
would probably require a variable speed.


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