[time-nuts] FTS 4060 Cesium Time & Frequency Standard, Datum

Tom Miller tmiller at skylinenet.net
Tue Oct 1 21:53:09 EDT 2013


Update.

I received the FTS 4060 unit and guess what - it does not work.

So a few questions to the experts on this list-

1)  How can I verify that the CBT is in fact bad? Is there any easy way to 
confirm the high voltage supplies are working short of pulling the CBT 
assembly out and making direct HV measurements? How about the other tube 
functions? There is no beam activity on meter 3 and the ion pump voltage is 
0.

2)  If it is a bad tube (likely), is there any way it can be rebuilt? Does 
anyone do such a thing?

3)  Is there any source for used tubes?

4)  If this is a dead end, is there any value in the rest of the unit? This 
one has the display clock and the 5 MHz and 100 kHz options.

Or should I just bury it in the back yard and lick my wounds?


Regards,
Tom


----- Original Message ----- 
From: "Tom Miller" <tmiller at skylinenet.net>
To: "Discussion of precise time and frequency measurement" 
<time-nuts at febo.com>
Sent: Tuesday, September 24, 2013 7:10 PM
Subject: [time-nuts] FTS 4060 Cesium Time & Frequency Standard, Datum


While we are on Cs standards, is there technical information (service
manual) available for the Datum FTS 4060 Cesium Time & Frequency Standard
and its options?

Thank you,
Tom

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