When referencing a Basic standard, it is often the case that product
standards under-specify based on an incorrect assumption that the Basic
standard says exactly what you need to do.  I think I've found an
example, but I'd welcome it if someone can show me where I missed
something.  I'd also like to know what the answer is.

In EN61000-6-3 table 1 item 3) for DC power ports, we're told that
(under certain circumstances) we need to comply with conducted emissions
limits and that the test details are to be found in CISPR 16-2-1 and
CISPR 16-1-2.  

Off we go to those two standards (actually EN 55016-etc now) and in the
test apparatus standard (EN55016-1-2) , we find something like 5 or 6
different AMN's offerred up for use, and in the test method standard
(EN55016-1-2) we find no information regarding which AMN to use.  I
think the EN55016 standards are ok, but the EN61000-6-3 authors failed
to fully specify the method and means for their DC power port conducted
emissions requirement.

Am I missing something?  Which AMN do we use?  Is anybody out there on
the EN61000-6-3 committee?

Thanks,

Jim Eichner, P.Eng.
Compliance Engineering Manager
Xantrex Technology Inc.
e-mail: jim.eich...@xantrex.com
web: www.xantrex.com  

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