[time-nuts] Adjusting HP 5065A frequency

Bob Camp lists at rtty.us
Mon Oct 22 18:41:07 EDT 2012


Modern parts are pretty cool. I have measured them them for this application. The truncation still is a big issue.


On Oct 22, 2012, at 6:16 PM, Magnus Danielson <magnus at rubidium.dyndns.org> wrote:

> On 10/22/2012 07:53 PM, Bob Camp wrote:
>> Hi
>> The gotcha with the DDS is phase truncation. That pretty much trashes the
>> ADEV.
> True, but the more bits you apply the better performance you get.
> Modern DDS clock chips do have pretty amazing specs for the money you spend.
> Cheers,
> Magnus
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