[time-nuts] Using GPS to Fine Tune a Rubidium Frequency Standard.
EWKehren at aol.com
EWKehren at aol.com
Fri Mar 21 15:51:26 EDT 2014
Paul
Do not understand your question, what do you mean with tight?
Bert Kehren
In a message dated 3/21/2014 3:22:41 P.M. Eastern Daylight Time,
paulswedb at gmail.com writes:
Hal
Actually now that you mention it was the DDS chip.
Bert
I agree with your comments. How tight can it be.
Thanks
On Fri, Mar 21, 2014 at 3:13 PM, Hal Murray <hmurray at megapathdsl.net>
wrote:
>
> albertson.chris at gmail.com said:
> > There seem to be two different class of Rb. One takes an EFC just like
> the
> > OCXO so the controller looks just like a GPSDO and the other class of
Rb
> > accepts serial commends to adjust the frequency. These have an
internal
> > DAC. But either way the logic is the same.
>
> Is it a DAC or DDS chip? Has anybody looked at the spectrum?
>
>
> --
> These are my opinions. I hate spam.
>
>
>
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