[time-nuts] 5MHz x 10MHz

[Brian, WA1ZMS]

My 2 cents....

In a talking to Charles Wenzel about
this very topic some 13 yrs ago, I liked
it when he said sometimes it comes
down to the "quartz-to-crud ratio" of
the crystal that makes all the difference
for a given crystal frequency.

-Brian, WA1ZMS

On Aug 4, 2013, at 8:40 PM, Bob Camp <lists at rtty.us> wrote:

> Hi
> 
> As with any real question, the answer is always "that depends…".
> 
> Different offsets at different carrier frequencies will make you look at different things….
> 
> Bob
> 
> On Aug 3, 2013, at 9:01 AM, Magnus Danielson <magnus at rubidium.dyndns.org> wrote:
> 
>> On 08/03/2013 02:28 PM, Bob Camp wrote:
>>> Hi
>>> 
>>> The whole drop frequency / better Q thing really only applies if you are looking for ADEV with tau's > = 0.1 second.  If you are after phase noise, then there are other things to worry about. 
>> White noise and flicker noise of oscillator and buffer amps comes to
>> mind. Naturally noise in the crystal itself.
>> 
>> Cheers,
>> Magnus
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