Hi,everybody Because the PCB line i will simulate located internally, so i can not use the Wave Port of HFSS. I konw for a microstrip line, i can draw the 2D port rectangle that touchs the signal with one edge and the opposite edge touch the reference ground plane. but for the stripline, there are two reference plane.how do i draw the rectangle. thanks. ------------------------------------------------------------------ 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 technical documents are available at: http://www.si-list.net List archives are viewable at: //www.freelists.org/archives/si-list Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu