FCC Part 15 goes far beyond digital devices; carrier
current systems, radio and TV receivers, unlicensed
low-power transmitters, and much, much more.
It gives special treatment to digital devices because
they have proven to need special attention. The exemptions
Part 15 contains exist because the cost of regulating
the exempted devices exceeds the benefit from doing so,
or is unnecessary because the devices do not in fact
cause harmful interference in actual use. For example,
equipment in a Telephone Central Office is exempt. The
building itself is usually a decent attenuator, and they
are located where the interference they generate is not
a problem to most users.
But if the FCC began receiving complaints from all
over, traced to an exemption, you can bet the exemption
would be reconsidered!
Cortland
====================== Original Message Follows ====================
<HEADERS SNIPPED>
From: "Tania Grant" <taniagr...@msn.com>
To: "Doug McKean" <dmck...@corp.auspex.com>,
"EMC-PSTC Discussion Group" <emc-p...@majordomo.ieee.org>
Subject: Re: Test Equipment ...
List-Post: emc-pstc@listserv.ieee.org
Date: Tue, 31 Jul 2001 21:15:35 -0700
Doug, et al,
FCC Part 15 addresses digital devices only. And they continue to use the
term "digital" over and over again. The scope of FCC Part 15 does not
address analog devices, whether they be industrial, commercial, or medical
test equipment. However, the FCC are exempting (and some say temporarily)
digital devices that are "used exclusively as industrial, commercial, or
medical test equipment." Therefore, no, a company that makes analog test
equipment does not have to EMC test such products. (And someone tell me
please how exactly they would test them if they wanted to!)
taniagr...@msn.com
<PREVIOUS SNIPPED>
====================== End of Original Message =====================
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