How to set up the source when using a coaxial feed for a microstrip form antenna?
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Simulations & Solvers
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Hello,I sincerely ask for help.
I'm wondering how to set up the source when using a coaxial feed for a microstrip form antenna?
Should I use an edge source or a waveguide source?
Does the inner and outer coaxial diameters need to be extended?
The simulation results do not seem to converge and the reflection coefficient is greater than zero dB.
Is the source setup method below correct?
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Here are a few more things you can check for this case:
- Making the coax longer
- Moving the waveguide source a bit inside the coax
- Making sure that the coax is terminated with PML by changing the Padding Settings to Manual, and setting the grid padding to be zero on the side where the coax ends
- Changing Boundary Conditions Strength to High on all sides