Changes

Ports are used in a planar structure to order and index the sources for calculation of circuit [[parameters]] such as scattering (S), impedance (Z) and admittance (Y) [[parameters]]. In [[EM.Cube]]'s [[Planar Module]]Picasso, you can use one or more of the following types of sources to define ports:

Ports are defined in the '''Observables''' section of the Navigation Treenavigation tree. Right click on You can define any number of ports equal to or less than the '''Port Definition''' item total number of the Navigation Tree and select '''Insert New Port Definition...''' from the contextual menu. The Port Definition Dialog opens up, showing the default port assignmentssources in your project. If you have N sources in your planar structure, then N default ports are defined, with one port assigned to each source according to their order on the Navigation Treenavigation tree. Note that your project can have mixed gap and probes sources as well as active lumped element sources. '''You can define any number of ports equal to on PEC and slot traces or less than the total number of sources in your project.''' The Port List of the dialog shows a list of all the ports in ascending order, with their associated sources and the port's characteristic impedance, which is 50S by default. You can delete any port by selecting it from the Port List and clicking the '''Delete''' button of the dialog. Keep in mind that after deleting a port, you will have a source in your project without any port assignment and make sure that is what you intend. You can change the characteristic impedance of a port by selecting it from the Port List and clicking the '''Edit''' button of the dialog. This opens up the Edit Port dialog, where you can enter a new value in the box labeled '''Impedance'''vias.