[time-nuts] Oscilloquartz 3210 Cesium Standard

[paul swed]

I have the same disease. I have the clock, but the wife thinks that is
insane. I don't get her concern at all??? Especially when she says "NO!".
Regards
Paul
WB8TSL


On Thu, Aug 28, 2014 at 10:39 AM, bownes <bownes at gmail.com> wrote:

> Careful Chris, it sounds like you are developing the symptoms of the
> Vintage strain of the time nuts infection. Next thing you know, you will be
> looking at tall clocks.
>
> Bob, who is debating the wisdom of non invasively synchronizing the family
> heirloom tall clock to the new cesium clock...
>
> > On Aug 28, 2014, at 10:33, Chris <syseng.greenfield at btconnect.com>
> wrote:
> >
> >> On 08/28/14 05:03, Javier Herrero wrote:
> >> Hello,
> >>
> >> Here is the manual I've. I have also some other documentations, and some
> >> Oscilloquartz software for the OSA-5585, but I don't know if they are
> >> very useful.
> >>
> >> Regards,
> >>
> >> Javier
> >
> > Hi Javier,
> >
> > Thanks for that and for the other replies. The 3210 looks like quite an
> early design, with no sign of microprocessors at all. There's a 8 slot card
> cage with a load of discrete analog circuitry, 741 op amps etc and a couple
> of boards full of 14 / 16 pin ssi cmos / ttl devices, which I guess would
> be the synthesiser logic and perhaps a state machine style startup
> sequencer. Apart from that, the rest is power supply related and what looks
> like an alarm board with optoisolator discete outputs to a 25 way D
> connector. The step recovery diode (?) multiplier into the microwave cavity
> is a really neat gold plated assembly with what looks like a 50r
> termination (setup tap for spectrum analyser ?) and an adjustment trimmer,
> but am not touching that or the many trimpots on the boards or any
> adjustments until I have more info. The tube is from FTS, part number /
> model 7101.
> >
> > It seems strange that the 2nd harmonic, meter #9, is zero, since even
> with a tube approaching eol, one would expect at least some indication,
> which is why I think there may be an electronic fault. Perhaps the hv power
> supply module feeding the electron multiplier. Will try to measure that,
> but the area around the tube is really heavily rivetted and screwed down in
> all directions. Looks like a lot of the left hand side of the case will
> need to be disassembled just to get at the tube connections. It also had
> the battery backup option, with 4 sets of 3 x cyclon type cells, but with a
> date code of 1984, are seriously dead and have been removed.
> >
> > This time nuts things seems to be a growing interest and wonder if there
> is a cure ? :-). Recently bought a 1970's era Tracor 304D rubidium
> standard. Again, no lock, but a very well engineered and screwed together
> piece of kit and should be fixable. Collection now includes the Z3816, from
> Ebay US around 7 years ago, a Z3815 currently being repackaged, an HP103
> with open circuit oven heater elements and the 3210...
> >
> > Regards,
> >
> > Chris
> >
> >
> >
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