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Rahul Ponginan

microstrip port

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Denise said:

We are using CADFEKO in our engineering courses at UFABC, for electromagnetic simulation of microstrip circuits.

So far, we have used “edge ports” for accessing the microstrip.


I would like to receive an application example file on how to use the “microstrip port” (rather than the “edge ports”).

Is it possible to connect the microstrip port, considering a substrate of finite height?


I would be very grateful if you could help us on this matter.


Thank you very much.

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Attached a simple 50 Ohm microstrip line example.


I have created two configurations. One is an S-parameter configuration (note FEKO automatically adds the S-parameter loads at both ports internally)

Second is a standard configuration where a voltage source is on port 1 and a 50 Ohm load on Port 2.
The POSTFEKO session (double click the .pfs file) shows the S-parameter S11 and the Reflection coefficient on separate graphs.


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