[time-nuts] Designing and building an OCXO and GPSDO
cupido at mail.ua.pt
Sat Aug 16 22:00:56 EDT 2008
Tks for all your comments about that topic.
Bruce Griffiths wrote:
> Luis Cupido wrote:
>> And at smaller offsets like 100Hz and less ?
>> Shouldn't the improvement be even bigger ?
>> Closer to the carrier we are dealing with bigger signals
>> so the ADC issues like resolution should be less important,
>> and the limiting factor should really be the the
>> phase noise of the LO's and etc.
>> Am I right ?
>> Luis Cupido.
> The R&S FMU 36 is a baseband analyser employing a pair of 80MSPS ADCs so
> only the preamp, ADC, and 80MHz oscillator phase noise should be
> significant (assuming the calculation roundoff noise isnt a factor).
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