[time-nuts] 10 MHz OCXO recommendations

Mark Spencer mark at alignedsolutions.com
Tue Nov 11 15:50:24 EST 2014

Hi I have not had much luck with ocxo's sourced from the usual auction site.   

By far and away the best value for money for me has been found in some packaged frequency standards containing OCXO's and a non auction site purchase of a "BVA" OCXO.  

I find the concept of occasionally adjusting a good OCXO  which in turn is used as a reference works well for me.    I have some that haven't needed adjustment for over 2 years (they are still well within one part per billion of being on frequency.)

That being said the MV89's were at least fairly in expensive.

Mark Spencer

On 2014-11-10, at 10:05 PM, Joseph Gray <jgray at zianet.com> wrote:

>> You can run at 400 KHz by dividing by 5/5 and 4/9.
> True. Either will work.
>> You said "0.2ppm stability".  What do you need for accuracy and/or how
> are you going to calibrate your setup?
> I will initially calibrate the OXCO against my HP GPSDO. Idealy, it will
> only need checking against the GPSDO once a year. Is that asking too much
> for it to be stable over that length of time?
> I could simply look up the specs for the various models that I find on
> ebay. However, I know that a lot of the stuff that is sold has been through
> the mill and may not meet spec any more. Thus my request for
> recommendations for models that someone here has actually purchased and
> tested.
> Joe Gray
> W5JG
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