[time-nuts] Rb as source for ADEV?

Magnus Danielson magnus at rubidium.dyndns.org
Sun Feb 9 08:42:17 UTC 2014


On 09/02/14 05:48, Hal Murray wrote:
>
> bob at evoria.net said:
>> Would I learn anything useful by hooking my Rb standard up to my 5335A and
>> comparing that to the OCXO?
>
> What kind of time-nut question is that?  :)
>
> Try it and see.   Maybe you will find something interesting where you/we
> didn't expect it.
>
> If you assume the Rb is stable, you should be able to watch the long term drift of the OCXO.

You can also see temperature variations.

>  How many low digits can you get out of the 5335A?

Has 1 ns resolution. Can do averaging on it's own but I rather use 
TimeLab or something.

> Do you have an GPSDO to add to the mix?  That would let you calibrate the Rb.

And you can measure the long-term drift of your rubidium with the same 
setup.

Cheers,
Magnus



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