Defining a Coaxial Cable Using Cable Dimensions

A coaxial cable consists of a core with outer insulating layers and a shield.

  1. On the Cables tab, in the Definitions group, click the  Specified coax icon.
  2. Under Cable definition, from the Definition type drop-down list, select Specify coaxial cable dimensions.


    Figure 1. The Create coaxial cable dialog (Specify coaxial cable dimensions).
  3. Under Core, from the Metal drop-down list, select one of the following:
    • To create a PEC core, select Perfect electric conductor.
    • To create a core consisting of a predefined metal, select a metal.
    • To create a core consisting of a metal, which is not yet defined in the model, click the icon to define a metal or add a metal from the media library.
  4. Under Core, in the Radius field, enter the cable radius.
  5. Under Core insulating layers, for each layer:
    • To add a layer consisting of free space, select Free space.
    • To add a coating consisting of a predefined dielectric, select a dielectric.
    • To add an insulation layer consisting of a dielectric, which is not yet defined in the model, click the icon to define a dielectric or add a dielectric from the media library.
  6. Under Core insulating layers, in the Thickness field, enter the layer thickness for each layer.
    Note: If a braided shield is applied to the coaxial cable the outer radius (core + core insulation layer (s) thickness + total shield thickness) should be between the stretching limits defined for the braided shield.
  7. Under Shielding, from the Shield drop-down list, select one of the following:
    • To add an outer cable shield consisting of a predefined shield, select a cable shield.
    • To add an outer cable shield consisting of a shield, which is not yet defined in the model, click the icon to define a new cable shield.
  8. Under Insulation layer (coating), specify the following:
    • To add a coating, select the Apply coating check box.
      1. From the Medium drop-down list, specify the coating medium.
      2. In the Thickness field, specify the coating thickness.
    • To remove the coating, clear the Apply coating check box.
  9. In the Label field, add a unique label for the coaxial cable.
  10. Click Create to create the coaxial cable and to close the dialog.