Anuar Fernandez Olvera

The simulation of long transmission lines in CST can get very messy sometimes, exhibit discontinuities and ripples in the s-parameters plots. This is usually the result of unwanted reflections due to improper boundary conditions. In such cases, the solution to the problem is to modify the boundary conditions of the simulation: Instead of having open…

Note that CST will automatically set up the angle between the polarizations as 90° if the waveguide port supports both polarizations. This is usually the case for a circular waveguide.