Hello, Swami, Interestingly, we at TDA Systems determined that the TEM assumptions can be used to surprisingly high risetimes if the parameters are accurately extracted and verified. Our lossy line examples verify this. I hope this helps. Thanks, -Dima ----- Original Message ----- From: "Swamy Dhoss" <swamydp@xxxxxxxxx> To: <si-list@xxxxxxxxxxxxx> Sent: Sunday, September 07, 2003 4:28 PM Subject: [SI-LIST] TEM approximation > Hi > > Could anyone tell me about the concept of TEM > approximation for the propagation of an electrical > signal through a transmission line ? > Over what range of frequencies TEM approximation is > valid ? and what model can be used above this > frequency limit ? > > Regards > swamy > > > __________________________________ > Do you Yahoo!? > Yahoo! SiteBuilder - Free, easy-to-use web site design software > http://sitebuilder.yahoo.com > ------------------------------------------------------------------ > To unsubscribe from si-list: > si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field > > or to administer your membership from a web page, go to: > //www.freelists.org/webpage/si-list > > For help: > si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field > > List archives are viewable at: > //www.freelists.org/archives/si-list > or at our remote archives: > http://groups.yahoo.com/group/si-list/messages > Old (prior to June 6, 2001) list archives are viewable at: > http://www.qsl.net/wb6tpu > > > ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List archives are viewable at: //www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu