How to simulate probe-fed microstrip antenna in HFSS?

If you want to probe it using GSG probe you can use lumped source.

Dear wlcsp
I have seen the imformation you provided. Thank you very much. But I am not very clear what GSG probe means. Can you explain it in details?

Hi mwhero,

Maybe there is a misunderstanding here. From your previous post, I got an impression that you want to model the antenna with probe feeding. Usually for microstrip structure, you can measure using GSG (ground-signal-ground) probe. This kinda excitation can be modeled as described in the previous attachment.

However, patch antenna usually fed by coaxial. Please have a look at the HFSS file. This may help. If not, please describe your problem more detail.

hi wlcsp:
the radius of the probe is 0.2mm,and the wavelength is 100mm.Compared with the wavelengh, the radius is too thin. What should
I do in this kind of situation?