Nonsense!  Both the basic standard and the CISPR standard have words to the
effect that performance degradation is defined by the manufacturer.  

John P. Wagner
Regulatory Compliance & Mandatory Standards
AVAYA Regulatory Compliance Laboratory
1300 W. 120th Ave, Room B3-D16
Westminster, CO 80234-2726
Phone/Fax: (303) 538-4241
[email protected]








From: John Woodgate [mailto:[email protected]]
Sent: Friday, April 25, 2003 12:11 AM
To: [email protected]
Subject: Re: Performance Criterion



I read in !emc-pstc that Pettit, Ghery <[email protected]> wrote
(in <[email protected]>)
about 'Performance Criterion' on Thu, 24 Apr 2003:

>    During the test, degradation of performance is allowed.  However, no
change 
>    of operating state or stored data is allowed to persist after the test.
>

Yes, well, as is unfortunately far too common, a CISPR text has been
written and accepted with mind not engaged. 

A product could be failed under that provision if recovery was delayed
by 1 NANOSECOND! In other words, what time period is implied by the word
'persist'? We have to guess.
-- 
Regards, John Woodgate, OOO - Own Opinions Only. http://www.jmwa.demon.co.uk 
Interested in professional sound reinforcement and distribution? Then go to 
http://www.isce.org.uk
PLEASE do NOT copy news posts to me by E-MAIL!


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