Hi John,

this is Irony. I'm working on a paper to GET RID of limits and make them non
contiguous!

I hope my arguments hold more water....


Cheers,

Derek.



-----Original Message-----
From: John Woodgate <[email protected]>
To: [email protected]
Sent: Thu, Feb 3, 2011 12:24 pm
Subject: EMC spectrum 'gaps'


I am soon to do a presentation on the gaps in the EMC spectrum, where there
are no emission limits for non-military products. These are: 
 
Conducted emissions from 105 Hz to 1995 Hz, excluding mains harmonics; 
 
Conducted emissions 2.05 kHz to 9 kHz, and 9 kHz to 150 kHz for most products; 
 
Radiated emissions below 30 MHz. 
 
Pressure to fill in these gaps has blown up for different reasons more or less
simultaneously in the last 6 months. 
 
The thing is, that the audience will include some experts on military EMC
standards, of which I know little. Are there any military standards (US or
European) for the above emissions? 
-- OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk 
John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK 
Plural: data, criteria, phenomena. Singular: datum (different meaning: use 
'data element' for a single item), criterion, phenomenon. 'Effect' is a noun, 
'affect' is a verb (except in psychiatry). 
 
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