Also notice, in the same directory, a newer version from July 7, 2002, at:
http://www.fcc.gov/oet/info/rules/part15/part15_7_22_02.pdf Ed Price [email protected] Electromagnetic Compatibility Lab Cubic Defense Systems San Diego, CA USA 858-505-2780 (Voice) 858-505-1583 (Fax) Military & Avionics EMC Is Our Specialty Shake-Bake-Shock - Metrology - Reliability Analysis >-----Original Message----- >From: John Barnes [mailto:[email protected]] >Sent: Wednesday, July 24, 2002 8:15 AM >To: [email protected] >Subject: Changes to FCC Conducted Limits for Part 15 & 18 > > > >EMC-PSTC'ers, >There has been talk for several months about the FCC changing the >conducted emission limits for Part 15 and Part 18 devices. Well, it is >official. FCC docket 98-80 was published in the Federal Register on >July 10, 2002- volume 67, number 132, pages 45666-45671, see (all one >URL): > http://frwebgate1.access.gpo.gov/ > cgi-bin/waisgate.cgi?WAISdocID=38880224794+0+0+0&WAISaction=retrieve > >FCC Part 15, incorporating the new Section 15.107, may be downloaded >from > http://www.fcc.gov/oet/info/rules/part15/part15_5_30_02.pdf > >This will not be printed in the Code of Federal Regulations (CFR), >downloadable from the National Archives and Records Administration >(NARA) at: > http://www.access.gpo.gov/nara/cfr/cfr-table-search.html >until spring 2003. > >This change probably will not affect products that have been >marketed in >Taiwan and Japan, because they have already had to meet the >CISPR limits >for those markets. But products that are sold only in the >US/Canada may >be affected, because conducted emissions are now to be tested >clear down >to 150kHz, versus the former 450kHz lower limit. > >The new conducted emission limits are: >* Mains port on Class B devices: > - 66dB(uV) quasi-peak and 56dB(uV) average at 0.15MHz, to > 56dB(uV) quasi-peak and 46dB(uV) average at 0.50MHz, decreasing > linearly with the logarithm of the frequency. > - 56dB(uV) quasi-peak and 46dB(uV) average from 0.50MHz to 5MHz. > - 60dB(uV) quasi-peak and 50dB(uV) average from 5MHz to 30MHz. >* Mains port on Class A devices: > - 79dB(uV) quasi-peak and 66dB(uV) average from 0.15MHz to 0.50MHz. > - 73dB(uV) quasi-peak and 60dB(uV) average from 0.50MHz to 30MHz. > >Paragraph 15 of FCC Docket 98-80, Transition Provisions, says that FCC >part 15/18 products may be authorized using the old or the new FCC >limits for two years (until July 10, 2004). After July 10, 2004, FCC >part 15/18 products must be authorized using the new FCC limits. >Furthermore, the new limits will apply to all FCC part 15/18 products >that are manufactured or imported after three years (after July 10, >2005). > >So for the next two or three years you have a third option for meeting >FCC Part 15/18 requirements: >1. Meet the old FCC conducted-emission and radiated-emission limits. >2. Meet CISPR conducted-emission and radiated-emission limits. >3. Meet CISPR conducted-emission limits and the old FCC radiated- > emission limits. > John Barnes > dBi Corporation > http://www.dbicorporation.com/ > ------------------------------------------- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ To cancel your subscription, send mail to: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Ron Pickard: [email protected] Dave Heald: [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] All emc-pstc postings are archived and searchable on the web at: http://ieeepstc.mindcruiser.com/ Click on "browse" and then "emc-pstc mailing list"
