[time-nuts] Method for comparing oscillators

Bruce Griffiths bruce.griffiths at xtra.co.nz
Tue Aug 4 21:57:15 UTC 2009


Rex wrote:
> Poul-Henning Kamp wrote:
>
>> In message
>> <abec162c0908030758y62c9dffdq65f8341cd2bb84d1 at mail.gmail.com>, John
>> Green writes:
>>
>>  
>>
>>> I have studied the dual mixer approach and the consensus is that it
>>> is the
>>> most accurate method. However, it seems pretty difficult to obtain that
>>> accuracy.
>>>   
>>
>> Check the description and papers about Timing.com's way of doing it,
>> they
>> are quite clever.
>>
>>
>>  
>>
>
> Poul-Henning,
>
> Can you give a more specific reference to the documentation? I took a
> look around www.symmetricom.com/resources/ (where timing.com
> redirects) but it is not clear to me that anything I found describes
> their way of doing it.
>
>
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Rex

Look at the TSC5115A and the TSC5120A (download and read the manuals)
plus the associated patents.

Bruce




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