[time-nuts] NCOCXO anyone?
alex at pcscons.com
Thu Jul 28 17:06:09 EDT 2016
if you send the circuit to me Attila, I would try to help you
by the way aside of that ham license, I have some fifty years of
experience and also an MSEE....
On 7/28/2016 11:03 AM, Attila Kinali wrote:
> On Fri, 22 Jul 2016 08:19:43 +0000 (UTC)
> Bruce Griffiths <bruce.griffiths at xtra.co.nz> wrote:
>> No, the first one merely uses a pair of cascaded heterodyne PLLs
>> as shown on p3 of the manual.
> Ok. I tried to understand how this circuit works. While I can see
> how a small and precise frequency offset can be produced, I do not
> see how a small phase offset with fixed frequency can be produced.
> At least not at the 100fs resolution level they are claiming in
> the manual. Would someone be so kind and explain the working
> of the circuit?
>> A diophantine setup may be useful here if one wished to construct something similar.
> What is a diophantine setup?
> Attila Kinali
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