> 3) Embedded (or I'm coining the phrase "homogenous") microstrip - > meaning there's only a single reference plane, and the trace is embedded > far enough in the dielectric that it sees only a homogenous dielectric In this case what were the nominal (design) dimensions of the conductor and the dielectric thicknesses above and below? regards, Richard Schumacher Hewlett Packard Company ------------------------------------------------------------------ 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