The FCC line-voltage probe is mainly for use in in situ installations, so they are used to measure the actual rf potential at the point-of-interest. Ken Javor
Phone: (256) 650-5261 > From: Ralph McDiarmid <[email protected]> > Date: Wed, 30 Apr 2008 10:06:08 -0700 > To: <[email protected]> > Conversation: Appendix A of FCC Part 15 - LISNs > Subject: RE: Appendix A of FCC Part 15 - LISNs > > I wonder how voltage probes can yield repeatable results, since doesn't > the amplitude of the HF signals depend very much on line impedance? > (hence the need for a LISN in the first place) > > Ralph McDiarmid, AScT > Compliance Engineering Group > Xantrex Technology Inc > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On Behalf Of > [email protected] > Sent: Wednesday, April 30, 2008 8:51 AM > To: [email protected] > Cc: [email protected] > Subject: Re: Appendix A of FCC Part 15 > > Hello Grace, > > I have no idea about the referenced appendices. However, I believe that > information on the line probe can be found in ANSI C63.4 section 4.1.3 > which covers voltage probes that can be used as an alternate to LISNs. > > Ted Eckert > APC-MGE > http://www.apc.com/ > > The items contained in this e-mail reflect the personal opinions of the > writer and are only provided for the assistance of the reader. The > writer > is not speaking in an official capacity for APC-MGE or Schneider > Electric. > The speaker does not represent APC-MGE's or Schneider Electric's > official > position on any matter. > > > > > "Grace Lin" > > <gracelinnj@gmail > > .com> > To > Sent by: [email protected] > > [email protected] > cc > > > > Subject > 04/30/2008 07:36 Appendix A of FCC Part 15 > > AM > > > > > > > > > > > > > > > > Dear Members, > > Could someone please help me locate an Appendix A, quoted on Page 7 of > http://www.ets-lindgren.com/manuals/3701.pdf, "FCC Rules and Regulations > Volume II, Part 15, Paragraph 8.4, Appendix A" or under the NOTE of > http://www.solar-emc.com/FCCLineStabNet.html, "Part 15 Subpart J, > Appendix > A"? > > I don't know if there is an appendix in the FCC Rules. I took a quick > look > at the 1984 47CFR Part 15 Subpart J - Computing Device , pp 506-512. > There > is no appendex in that subpart. Is it possible that this Appendix A > being > included in the FCC MP-4? > > Thank you and look forward to your help. > > Best regards, > Grace > - ---------------------------------------------------------------- This > message is from the IEEE Product Safety Engineering Society emc-pstc > discussion list. 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Website: http://www.ieee-pses.org/ > > To post a message to the list, send your e-mail to [email protected] > > Instructions: http://listserv.ieee.org/request/user-guide.html > > List rules: http://www.ieee-pses.org/listrules.html > > For help, send mail to the list administrators: > > Scott Douglas [email protected] > Mike Cantwell [email protected] > > For policy questions, send mail to: > > Jim Bacher: [email protected] > David Heald: [email protected] > > All emc-pstc postings are archived and searchable on the web at: > > http://www.ieeecommunities.org/emc-pstc > > - > ---------------------------------------------------------------- > This message is from the IEEE Product Safety Engineering Society > emc-pstc discussion list. Website: http://www.ieee-pses.org/ > > To post a message to the list, send your e-mail to [email protected] > > Instructions: http://listserv.ieee.org/request/user-guide.html > > List rules: http://www.ieee-pses.org/listrules.html > > For help, send mail to the list administrators: > > Scott Douglas [email protected] > Mike Cantwell [email protected] > > For policy questions, send mail to: > > Jim Bacher: [email protected] > David Heald: [email protected] > > All emc-pstc postings are archived and searchable on the web at: > > http://www.ieeecommunities.org/emc-pstc - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. Website: http://www.ieee-pses.org/ To post a message to the list, send your e-mail to [email protected] Instructions: http://listserv.ieee.org/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas [email protected] Mike Cantwell [email protected] For policy questions, send mail to: Jim Bacher: [email protected] David Heald: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc

