[time-nuts] Another 3458A problem

Mark Sims holrum at hotmail.com
Tue Aug 4 15:49:44 UTC 2009


This is usually caused by a bad A3 board...  there were some design problems....

http://cp.literature.agilent.com/litweb/pdf/3458A-07B.pdf

Situation: 
The delay time compensation on the A3 assembly (03458-66503 board) may cause an occasional 
“Multislope Rundown Conversion” error.  Design changes on this assembly have addressed this issue. 
Because of the infrequent random nature of this error it is best to replace the A3 assembly and be 
certain that the problem is corrected.
 
Solution/Action: 
If the “Multislope Conversion” error occurs the A3 assembly should be replaced.

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