The answer to your question is "Yes!".  

A good reference would be FCC Part 15.107(f) for 
the United States which accepts measurements to 
CISPR22. The FCC rules for emissions test setups 
are generally more restrictive than those of 
Europe and you cannot loose if you apply a 
conservative interpretation if you should decide 
to use them as a reference in your test setups 
for Europe.

>From a measurement standpoint, you would surprised 
what effect coupling between power cables and 
I/O cables can have on your line conducted and 
radiated emissions measurements.

Regards,

Bandele 
Jetstream Communications, Inc.
[email protected]





-----Original Message-----
From: Brooks, Barbara [mailto:[email protected]]
Sent: Wednesday, August 02, 2000 4:55 AM
To: [email protected]
Subject: EN 55022 Conducted Emissions



I have had an inquiry that I am not sure of the answer and I was hoping that
someone could provide me with an answer. 

If an EUT is DC powered device (i.e., a video card, internal modem, etc.),
deriving its power from a host's power supply (i.e., a video card, internal
modem, etc.) would the conducted emission specified in EN 55022 be performed
on the power leads for the host as part of the test program for the EUT. 

Thank you for your assistance. 

Barbara Brooks
Wyle Laboratories
7800 Highway 20 West
Huntsville, AL 35807-7777
(256) 837-4411 ext 595
(253) 721-0144 Fax
[email protected]


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