[time-nuts] HP5065A Rubidium 2nd Harmonic Readings

[paul swed]

John,
Interested. How might you connect the oven controller to what he is seeing?
Bad caps causing it to oscillate, 60 hz modulation, ......
I have a 5065 so am always interested in tid bits that I read.
Thanks

On Fri, Oct 29, 2010 at 12:34 AM, John Miles <jmiles at pop.net> wrote:

> How's the photo current?  Does it vary as well?  If not, I don't think I'd
> be too worried about the physics package.
>
> I would, however, check the electrolytics on the oven controller board.
>  You
> don't want an oven controller failure.
>
> -- john, KE5FX
>
> > -----Original Message-----
> > From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com]On
> > Behalf Of Brian Kirby
> > Sent: Thursday, October 28, 2010 9:15 PM
> > To: precise time
> > Subject: [time-nuts] HP5065A Rubidium 2nd Harmonic Readings
> >
> >
> > I recently had a long term power failure and ran out of UPS time.  The
> > power was out over a day and when I returned home, it had been restored.
> >
> > The rubidium recovered, I hit the logic reset button and start and got
> > the green light.
> >
> > I made some meter readings, and noticed something I have not seen
> > before.  The 2nd Harmonic reading is showing 30 and its bouncing up to
> > 31 about every 2 to 3 seconds.
> >
> > Otherwise, the unit seems to be performing nominal.
> >
> > Anybody ever seen this ?  Hope its not trying to tell me failure of the
> > cell is on the way...
> >
> >
> > Brian - KD4FM
> >
>
>
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