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

WB6BNQ wb6bnq at cox.net
Tue Sep 27 02:38:01 UTC 2011


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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