[time-nuts] Re : HP 5060A option 004

[Tom Van Baak]

Marc,

Yes, option 001 is clock/1PPS, option 002 is battery
backup, and option 004 is the high-performance tube
("twice as good for half as long").

I was not aware, though, that any of these options
applied to the 5060 as they do to the 5061. I think
the 5060 used an external instrument for the clock
(e.g., the hp 115 divider) and a separate unit for the
battery (e.g., hp K02-5060).

Can you send me some photos of yours, offline? Let
me also dig out my 1967 hp catalog.

The 5061A manual is online; I have the 5060 manual
on paper but have not seen it online yet.

/tvb

----- Original Message -----
From: "Marc Bury" <marc_bury at yahoo.fr>
To: <time-nuts at febo.com>
Sent: Tuesday, October 31, 2006 10:15
Subject: [time-nuts] Re : HP 5060A option 004


Magnus, Tom, Thanks for your help,

I already know www.leapsecond.com, and this is the principal source of what
I know of the 5060A, including the missing oscillator...
Also, I downloaded the full HP catalogs for year 1967 and 1968 from
hparchive:
The 5060A is described in 1967 catalog, but only options 1 and 2 are listed.
the 1968 catalog only has the 5061a version.
So, no luck  ...

One thing I noticed is: the Cesium tube has "High Performance" written on it
uunlike the pictures from leapsecond, so maybe option 004 is "High
performance tube" ?
Last minute: the mystery is solved !!!    HP Journal 1973-9 describes option
004 effectively as a High performance Cesium tune upgrade for 5060A and
5061A.

So: still looking for a op/service manual: any known source for a PDF ?
I have only found paper copy so far on eb*y.

Marc

> Hi!
> Just a little hint on where to look.
> You can always look back in the HP Archive (http://www.hparchive.com)
> where they have many old catalogs online.

> Cheers,
>  Magnus

> ---------------------------------------------------------

> Marc,

> For some hp 5060A photos, inside and out, see:

> http://www.leapsecond.com/museum/hp5060a/
> and
> http://www.leapsecond.com/hpclocks/
> /tvb




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