[time-nuts] Bad batch of HP10811's

[Jack Hudler]

Who sold them?
-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On Behalf
Of Mark Amos
Sent: Sunday, January 14, 2007 1:41 PM
To: time-nuts at febo.com
Subject: [time-nuts] Bad batch of HP10811's

Time-nuts,
 
Seems like a bad batch of HP10811's was dumped on e-bay over the holidays...
Some (at least 
2) won't tune up to 10MHz: one won't adjust above 9,999,530 and the other peaks
around 
9,999,920 after warming up for a day or so.  It seems to stay on frequency
(albeit the wrong 
one...)

I did some preliminary checks (internal reference voltages, OK, etc.)  I'm
thinking that it 
must be a bad crystal to be this far off. 

C'est une cause perdue? (I.e. did I buy a "parts" unit?)

Mark
 



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