Hi

On Jun 2, 2013, at 4:10 PM, Magnus Danielson <mag...@rubidium.dyndns.org> wrote:

> 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.

I'd put it in the "just because you can do it, doesn't mean you should do it" 
category. The 3,200 Hz sidebands on the 10 MHz could be an issue in some 
applications. 

Bob

> 
> Cheers,
> Magnus
> _______________________________________________
> time-nuts mailing list -- time-nuts@febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.

_______________________________________________
time-nuts mailing list -- time-nuts@febo.com
To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.

Reply via email to