[time-nuts] Symmetricom 5071A

[Dave Carlson]

Hello Magnus,

Your question:

"Or, to put it in another form, do you know where the HP/Agilent tubes are
actually made (I.he. not the total clock assembly)?"

Since the early 1970s made in Santa Clara CA, corner of Stevens Creek Blvd
and Lawrence Expressway, at the site once owned by HP and later by Agilent.
Before that they were made by HP in Palo Alto, Ca.

Never has Symmetricom or any other CBT manufacturer made CBTs for HP or
Agilent. HP/Agilent always made
their own.

Other CBT manufacturers have made a CBT that could be retrofitted into a
5061A/B Cesium Beam Frequency Standard, but not the 5071a.

           Dave Carlson

Message ----- 
From: "Magnus Danielson" <cfmd at bredband.net>
To: <time-nuts at febo.com>
Sent: June 25, 2005 1:11 PM
Subject: Re: [time-nuts] Symmetricom 5071A


From: "Dave Carlson" <dgcarlson at sprynet.com>
Subject: Re: [time-nuts] Symmetricom 5071A
Date: Sat, 25 Jun 2005 12:42:48 -0700
Message-ID: <000b01c579be$140a65a0$f9da5142 at cos.agilent.com>

> Hello Magnus,

Hi Dave,

> No. Symmetricom NEVER made the tube for the 5071A. Please tell me where
you
> got that.

I'll check with my source. He pointed out this fact to me last year.
Naturally,
I could have got him wrong, or he could have his facts wrong.

> The HP/Agilent 10890A and 10891A CBTs could not be legally re-engineered
and
> the 5071A chassis required that the CBT installed be only one from
> HP/Agilent.

You interprent what I said as it is the same tube, I did not say that. What
my
source said was that they where manufactured by Symmetricom.

Or, to put it in another form, do you know where the HP/Agilent tubes are
actually made (i.e. not the total clock assembly)?

Cheers,
Magnus

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