antenna coax length

In pricniple, mesh should be adjusted in such a way that it take at least three time steps for the wave to travel thoudh coaxial feed.

hi,

i also had the same problem while feeding a PIFA (a shorted probe fed microstrip patch antenna) in HFSS.

i am eager to know the answer

with regards
abhi

Can u upload ur design then i can check

Thanks

maybe adaptive meshing can be helpful!