[time-nuts] Cheap 9.8Mhz Sa.22c's
Magnus Danielson
magnus at rubidium.dyndns.org
Sun Jun 2 16:10:53 EDT 2013
On 06/02/2013 10:05 PM, Bob Camp wrote:
> Hi
>
> 9.3804 MHz = (2^15*3) * 100 Hz
>
> 10 MHz = 2^5 * 5^5 * 100 Hz
>
> With a normal integer PLL, your highest lock frequency would be 2^5* 100 Hz = 3200 Hz.
Doable, but you better care about details, and going for a PI-loop is
the way to go. For lower ratios between locked frequency and comparator
frequency you can cheat more if you do not have any particular requirements.
Cheers,
Magnus
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