[time-nuts] 10MHz Rubidium reference source for frequency
Ryan Stasel
rstasel at uoregon.edu
Mon Oct 27 12:10:16 EDT 2014
Chris,
I’m curious how you have the PLL set up for the 5680 and GPS. Do you have any schematics, docs, etc?
I’m currently building a GPSDO based on James Miller’s design, and have a separate box with a 5680 in it (also grabbed from eBay for $40, since it “wouldn’t lock”, which was a simple fix).
Thanks!
-Ryan Stasel
> On Oct 26, 2014, at 6:51 PM, Chris Albertson <albertson.chris at gmail.com> wrote:
>
> On Sun, Oct 26, 2014 at 2:05 PM, Karen Tadevosyan <ra3apw at mail.ru> wrote:
>
>> I hope to use homemade GPSDO for the rubidium oscillator calibration.
>>
>
> You can save a little if you build a "GPS disciplined Rb". It is just like
> building a GPSDO but you use the Rb in place of the OCXO. Saves money and
> I think gives better results because you do not have to transfer frequency
> from the crystal to the Rb. Unless you need the OCXO for some other reason.
>
> I was luck to have bought the FE5680 back when they were $35 each. They
> work well enough for my 10 digit frequency counter.
>
> --
>
> Chris Albertson
> Redondo Beach, California
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