Activating Low-Frequency Stabilisation for MoM

For very low-frequency method of moments (MoM) solutions, enable low-frequency stabilisation to ensure a valid solution over the full frequency range.
  1. On the Solve/Run tab, in the Solution settings group, click the  Solver settings icon.
  2. On the Solver settings dialog, click the General tab.
  3. Under Low frequency modelling, select the Activate low frequency stabilisation for MoM check box.

    Figure 1. A snippet of the Solver settings dialog (General tab, Low frequency modelling group).
  4. Click the OK to close the dialog.