[time-nuts] Oscilloquartz 3210 Cesium Standard

[paul swed]

Nice scan Tom. Clean. I most likely will never run across either unit. But
always good to read about them.
Regards
Paul
WB8TSL


On Wed, Sep 3, 2014 at 9:01 PM, Tom Van Baak <tvb at leapsecond.com> wrote:

> Hi Chris,
>
> Sorry for a delayed reply. The OSA 3210 is one of the only cesium
> standards I don't have in the "museum". I've seen one or two on eBay over
> the past decade but not in worthwhile condition. I hope you can get yours
> working. If not, let me know...
>
> The good news is that I have an original Oscilloquartz 3200 cesium manual.
> Today I scanned the first part of it for you. See:
> http://www.leapsecond.com/museum/osa3200/
>
> If this is helpful to your efforts, I'll try to scan the schematics as
> well. The manual is an inch thick.
>
> I don't know the model differences. I've seen 3000, 3020 and 3200, 3210,
> 3230, 3235 mentioned on the web. Maybe 3120. I'm also not clear about the
> differences in series-3000 vs. series-3100 vs. series 3200. If anyone
> knows, please post details.
>
> Thanks,
> /tvb
>
> ----- Original Message -----
> From: "Chris" <syseng.greenfield at btconnect.com>
> To: <time-nuts at febo.com>
> Sent: Wednesday, August 27, 2014 2:09 PM
> Subject: [time-nuts] Oscilloquartz 3210 Cesium Standard
>
>
> > Hi,
> >
> > I recently bought an Oscilloquartz 3210 cesium standard and although it
> does
> > power up, it does not lock. All the parameters on the meter look
> > sensible, other
> > than the 2nd harmonic, #9 parameter, which shows zero. Quart oscillator
> > output
> > looks almost spot on in comparison with the lab Z3816. I have no info on
> > this
> > unit at all, so this may either be a dead tube, or other electronic
> fault on
> > one of the many pcb's in the system. Ion pump had a small reading on
> > power up,
> > but now dropped back to zero.
> >
> > I am looking for a user guide for this unit, or even better, a manual
> > with theory
> > of operation and setup info. Can anyone help with this, or perhaps
> suggest a
> > source ?. Year of manufacture estimated 1984/85, from date code on ic's.
> >
> > I notice that the tube is from FTS, the same construction as in the FTS
> > 4060, but
> > different part number and wonder if this was original fitment, or has
> been
> > replaced at some stage...
> >
> > Regards & Thanks
> >
> > Chris Quayle
> >
> > Oxford, England
>
>
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