port definition for thicker substrates in IE3D

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aditya.sarathy

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Hey guys,

I have a problem in the port definition in IE3D. The problem is that I am using a substrate that is 0.635mm thick (RT5010) and am trying to simulate a transmission line with it. However, when I define the port to it, I am getting a warning that higher modes may be excited and when I do continue with the simulation, the results that I am obtaining are very unreasonable. Can anyone help me how to define a port for such a thick substrate?

- Regards
 

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