Alex,
On the FCC vs EN 55022 testing: Review the radiated emissions data. If any
of the emissions from 88 MHz to 216 MHz are within 4 dB of the limit or if
emissions from 216 to 230 MHz are within 7 dB of the limit, you probably
fail the EN 55022 emissions requirements. Otherwise, you should not need to
re-test radiated emissions.
You most likely will need to re-test line-conducted for the following
reasons:
1) Frequency range for EN 55022 starts at 150 kHz (FCC starts at 450
kHz)
2) You probably tested at only 120 VAC / 60 Hz.
Europe testing should be done at 230 VAC /50 Hz
3) Europe requires compliance with average emissions limits.
Except under certain circumstances it is unnecessary
to perform average detector measurements for FCC compliance.
I recommend using the same lab as FCC testing was performed, that way they
can use the radiated data previously collected and create an EN 55022 report
including the line-conducted data.
Michael Peters
-----Original Message-----
From: Alex McNeil [mailto:[email protected]]
Sent: Wednesday, June 19, 2002 5:55 AM
To: Alex McNeil; [email protected]
Subject: FCC part 68 vs CTR21
Hi,
Sorry for the deliberate(!!) mistake, the subject heading should read as
above per my previous query
-----Original Message-----
From: Alex McNeil [mailto:[email protected]]
Sent: 19 June 2002 07:08
To: [email protected]
Subject: FCC part 15 vs TBR21
Greetings,
I wish to market a North American ITE product in Italy based on the product
already approved to:
* FCC Part 15 Class A (EMC)
* FCC Part 68 (Analogue modem, PSTN)
I know I have to CE mark the product, so I intend to:
* Review the FCC part 15 emissions report and determine if I need to re-test
for EN55022 Class A (I want to cut down unnecessary costs)
* Test for EN55024
* Test for EN60950
For the PSTN analogue modems I am not so sure:
FCC Part 68 vs CTR21 (TBR21)?
Can anyone offer some advice here?
I assume if the product meets CTR21 then the modem should function OK in
Italy?
Does Italy have other modem details that I should know about?
I would appreciate comments on all ar parts of the above.
ps. thanks for all the help I have received in the past from this forum!
Kind Regards
Alex McNeil
Principal Engineer
Tel: +44 (0)131 479 8375
Fax: +44 (0)131 479 8321
email: [email protected]
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