[time-nuts] Fwd: GPS and Rubidium frequency standards and noise question (new...

[EWKehren at aol.com]

I would not use a Thunderbolt. It dithers the OCXO frequency to correct  
the second pulse and that frequency change will be multiplied particularly in  
U wave applications.. I have never checked, but if LH has a hold function  
you could use it, but in that case I would also bring out the OCXO direct 
and  amplify external if you plan on using it 1 GHz and above, if so contact  
me off list
Bert Kehren 
 
 
In a message dated 6/3/2012 5:59:35 P.M. Eastern Daylight Time,  
chris at chriswilson.tv writes:



> Hi

> For your immediate need, a  Thunderbolt sounds like the ideal
> solution. It will give you a very  accurate reference to sort out
> your test gear and likely "good  enough" phase noise for most of the
> rest of what you want to do.  Once you get into the microwave stuff,
> plan your PLL's properly and  all will be well there.

> Bob

OK, I'll go for a  Thunderbolt, is it allowed and acceptable etiquette to
show an Ebay ad to  check it's the later type, which I think it is?

You have all been a  great help, thank you very much indeed, I doubt I
will become as  obsessive with accuracy as some of you apparently are,
but it's good to  know that such a friendly and sharing group of
experts exists in one  locale!


03/06/2012 22:50



-- 
Best Regards,
Chris  Wilson.


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