[time-nuts] Using Thunderbolt to Discipline FE 5680A?

Azelio Boriani azelio.boriani at screen.it
Thu Dec 22 20:53:21 UTC 2011


Not the phase directly but the rate of change of the phase and this is
exactly the way you can discipline an OCXO, phase included.

On Thu, Dec 22, 2011 at 8:57 PM, <EWKehren at aol.com> wrote:

> Using the digital input will only give you 7 E-13 steps. I will use it for
> preset.
> Bert Kehren
>
>
> In a message dated 12/22/2011 2:50:23 P.M. Eastern Standard Time,
> albertson.chris at gmail.com writes:
>
> On Thu,  Dec 22, 2011 at 9:52 AM, Chuck Forsberg WA7KGX N2469R
> <caf at omen.com>  wrote:
> > You could disable the Tbolt's oscillator and put the Rb output  in its
> place.
> > Then write a program that reads the PPS and/or OSC  offset and issue
> > appropriate commands to the Rb to bring it in  line.
>
> I don't think it is possible to do that.  The RS232 commands  don't
> allow the level of control that is required.  All you can do is  step
> the frequency, no way to adjust the phase of the Rb 10MHz  output.
>
>
> Chris Albertson
> Redondo Beach,  California
>
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