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Port warnings in ADS

Question asked by maryamtele on Aug 27, 2014
Latest reply on Sep 1, 2014 by volker_muehlhaus

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hello dear fellows,
I'm simulating a huge plate in ADS, 2000x2000 mm including conductor ,dielectric, semiconductor and the ground-plane.
and I have 4 area ports as the attached file of plate1.
I get the same warning for all 4 ports. I know the area pin should be attached to an area < wavelength/10 but I don't have any other options. The calibration for these ports are selected as "None".
Your help would be appreciated.

Edited by: maryamtele on Aug 27, 2014 12:07 PM

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Plate1.png289.9 KB
Plate1_spara.png227.6 KB

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volker_muehlhaus Sep 1, 2014 4:26 AM
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I think the large ports with large distance are caused by over-simplifying your setup. In your real measurement hardware, the port (coax of your measurement instrument) is small and the large distance between the sensors is connected by some wire. You should do the same in your Momentum model: use EM ports that are physically small, and make the connection to the four sensing points with a metal conductor. All that metal conductor is properly simulated in the EM model, no matter how large and distributed it is.

Edited by: volker_muehlhaus on Sep 1, 2014 5:26 AM
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