[time-nuts] HP 5065a failure of Rb oscillator problem solved

paul swed paulswedb at gmail.com
Tue Sep 27 22:21:29 UTC 2011


Diddier
Thank you.
For everyone else I just completed and emailed a word doc to Bob who offered
to host it. Its 7 MB. Turned out very nicely. You also have my hints on the
project.
Diddier I will upload it shortly to your site also.
The lamps re-installed and the HP5065a is warming up. I do have photo
current now and oven teps are looking correct or at least getting there.
Thanks everyone.
Paul
WB8TSL

On Tue, Sep 27, 2011 at 6:01 PM, <shalimr9 at gmail.com> wrote:

> That will be fine :)
>
> Didier KO4BB
>
> Sent from my BlackBerry Wireless thingy while I do other things...
>
> -----Original Message-----
> From: paul swed <paulswedb at gmail.com>
> Sender: time-nuts-bounces at febo.com
> Date: Tue, 27 Sep 2011 09:04:32
> To: Discussion of precise time and frequency measurement<
> time-nuts at febo.com>
> Reply-To: Discussion of precise time and frequency measurement
>        <time-nuts at febo.com>
> Subject: Re: [time-nuts] HP 5065a failure of Rb oscillator problem solved
>
> Happy to post the pix someplace but do not have any accounts like facebook
> etc.
> Though a great home would be Diddiers site. I could send perhaps 10 of the
> best pix.
> By the way looking into the oven you can see the glass rb filter cell. Talk
> about a classy piece of technology. This ain't no FRS-c. ;-)
>
> On Mon, Sep 26, 2011 at 10:38 PM, WB6BNQ <wb6bnq at cox.net> wrote:
>
> > Paul,
> >
> > As would I.
> >
> > Bill....WB6BNQ
> >
> > "J. L. Trantham" wrote:
> >
> > > Paul,
> > >
> > > I would love to see the pictures.
> > >
> > > Joe
> > >
> > > -----Original Message-----
> > > From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com]
> On
> > > Behalf Of paul swed
> > > Sent: Monday, September 26, 2011 9:16 PM
> > > To: Time-nuts; paul swed
> > > Subject: [time-nuts] HP 5065a failure of Rb oscillator problem solved
> > >
> > > Hello to the group my trusty HP 5065a Rb ref died. Digging in I
> > discovered
> > > that the Rb oscillator was not drawing any current. So it was time to
> go
> > > deep inside and see whats in there. Have taken pix of the innards but
> > they
> > > are each 2 MB in size. Anyhow it was A12R1 a 1330 ohm resistor that
> seems
> > to
> > > be open. Jumpered a 1500 ohm R in and the lamp re-ignites. Now to
> install
> > > appropriate quality and temperature replacement and I should be back in
> > > business. Must say the 3 levels of magnetic shielding really is
> > impressive.
> > > Regards Paul WB8TSL _______________________________________________
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