[time-nuts] Re:FTS 5030 cesium frequency standard
Hubert v. Bonhorst
hbonhorst at aol.com
Sun Nov 28 14:33:50 EST 2004
Thank you for your effort. The 5061A is not my problem. I' m in need for the
5030 diagrams. These are a real problem to find. My major problem is to know
the resistance of the heater thermistor at temperature. I do not know a
method to find this value, exept knowing the setresistor of the 5030.
----- Original Message -----
From: "David G. Andersen" <dga at lcs.mit.edu>
To: "Discussion of precise time and frequency measurement"
<time-nuts at febo.com>
Sent: Saturday, November 27, 2004 7:48 PM
Subject: Re: [time-nuts] Re:FTS 5030 cesium frequency standard
> On Sat, Nov 27, 2004 at 06:32:46PM +0100, Hubert v. Bonhorst scribed:
>> Some time ago I bought a 5030 module for parts. Now I want to use the
>> cesiumbeamtube for a very weak HP 5061A.
>> I' m looking either for a web link to download the servicemanual or just
>> for some information where Cesium oven temp.
>> is set. A diagramm of the power supply and the board located directly at
>> the tube would be very helpful. Might be someone from the list could
> I have the 5061A operations and service manual online at
> It's a scanned PDF of the manual, and is kind of large (16M). The cesium
> oven controller is on page 7-45 (96 in the pdf).
> work: dga at lcs.mit.edu me: dga at pobox.com
> MIT Laboratory for Computer Science http://www.angio.net/
> time-nuts mailing list
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