I can get down off of the wall now...I remembered the company name as Fischer Custom Communication. (although I'm a little unsure if it's "Fisher" or "Fischer")
Chris > John and Ken, > > Isn't this one of the main reasons that it's better to measure the > emissions from a line with a coupling clamp at these frequencies (1 to 30 > MHZ).??? > > There is a company that makes coupling clamps...and their name escapes me > right now...About 10 years ago...when I was a wet behind the ears EMC > neophyte...I remember reading some papers that they had written regarding > the measurements of common mode cable currents and surface currents on > chassis. > > In their papers, they stated that it was much more reliable and repeatable > to use a clamp to measure the common mode current on a cable at 5Mhz as > opposed to trying to measure the field radiated by that common mode > current with an antenna. > > I believe that the coupling clamp method circumvented all of this > near-field vs far-field determination. > > I wish I could remember the name of that company...it's driving me up a > wall...all I can remember is Com-Power...or maybe Fischer??? > > Best regards, > > Chris Maxwell > > >> In message <c0fd3eda.411bd%[email protected]>, dated Mon, 7 >> Aug 2006, Ken Javor <[email protected]> writes >> >>> Now you could certainly idealize the transmission line for the >>>purposes of a standard test, and you would need to, but if you do that, >>>why not specify and measure the BPL current on that matched >>>transmission line? >> >> Would you please clarify what you mean by 'transmission line' in this >> context? Is it the transmission line between the BPL sender and the >> mains network? >> >> I ask because I am involved in a similar issue; measuring the emissions >> form audio-frequency induction loops fed by Class D amplifiers. At >> present, measuring the current in one conductor of the cable between the >> amplifier and the loop is believed to be the first possibility to be >> investigated. >> -- >> OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk >> 2006 is YMMVI- Your mileage may vary immensely. >> >> John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK >> >> - >> ---------------------------------------------------------------- >> 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 > - 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 email has been scanned by the MessageLabs Email Security System. For more information please visit http://www.messagelabs.com/email ______________________________________________________________________
