{"id":366171,"date":"2024-05-08T19:10:42","date_gmt":"2024-05-08T19:10:42","guid":{"rendered":"\/forum\/forums\/reply\/366171\/"},"modified":"2024-05-08T19:10:42","modified_gmt":"2024-05-08T19:10:42","slug":"366171","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/366171\/","title":{"rendered":"Reply To: How to set simulation conditions for coplanar microstrip line CPS (or differenti"},"content":{"rendered":"<p>&lt;p&gt;Hi&lt;\/p&gt;&lt;p&gt;I did a similar simulation recently.&nbsp;&lt;\/p&gt;&lt;p&gt;Assign a modal waveport with one conductor as signal and referencing to the other conductor as ground on both sides.&lt;\/p&gt;&lt;p&gt;The port would be 5`10 times the height of the substrate in Z direction and in the Y direction, 5~10*(width + gap).&lt;\/p&gt;&lt;p&gt;Once you run the simulation, you will be able to see the excitation mode under port field display. and it should look as below.&nbsp;&lt;\/p&gt;&lt;p&gt;So the port size will vary with varying substrate height, CPW width and gap.&lt;\/p&gt;&lt;p&gt;<img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/05\/08-05-2024-1715195399-mceclip0.png\" \/>&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-366171","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/366171","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/reply"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/366171\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=366171"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}