Always getting S11>0 in Grounded CPW simulation in IE3D

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eirp

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grounded cpw

Hi

Does anyone have experience with Grounded CPW (all grounds finite) line simulation in IE3D?

I've tried to use different port models and always got S11>0 at some frequencies.

(There was no problem with standart CPW)

Thanks in advance for any valuable response
 

Re: Grounded CPW in IE3D

Please send me the .geo file. I have not heard any problem on it.
 

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