The other Brian wrote:

> Does anyone have first-hand experience dealing with EMC failures  in the 
> field? If you fail by 1db, are you dragged 
> through the mud, fined, banned, prosecuted, black helicopters circle your 
> house, masked men drag you out of bed in 
> the middle of the night? Or is action taken only on severe non-compliances?  
> What's the likely scenario?

I've been doing the EMC thing since the mid-80s and I have never had a 
non-compliance in the field (that was brought to my attention).  Only 
non-compliances have been at an EMC lab (internal, external, or by a customer). 
 Am I doing a good job or is all of this blown out of proportion?

I've worked with various company imposed margins from 3 to 10 dB as well as a 
company where a pass was a pass (right at the limit was ok).  What seemed to 
work the best for getting solid EMC compliant product was when the process 
required the engineering director to sign off on releasing it without meeting 
margin.  Doesn't really matter what the value of x is at that point because 
people will do anything not to have to sign their name on a document!
______________________________________________________
Dan Roman, N.C.E.
Senior Member
IEEE Product Safety Engineering Society
mailto:[email protected]

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