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Usign Discrete port in CST

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waseemsh

waseemsh

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Hi,

I want to model a simple Microstrip line(MS) in CST using discrete port. I had used the Waveguide port it has given me some results i want to compare with the discrete port.

Problem is that When i use a discete port between Ground and Microstrip line it gives me an error "The Port is inside PEC" and solver stops.

My need is to use two ports at the ends of MS Line and assign the Different Impedence to both Ports (like P1=50 phm P2=80 Ohm). This can be used in Impedence matching.

Any other ideas for modeling the same problem are Welcomed and Appreciated.
 

Hi waseemsh,

If you properly define the ends of the ports (properly connected to the ends of conducting layers), then the next possibility of getting this "The Port is inside PEC" error is when a mesh line is not running though the port.
Please try the simulation with a smaller mesh.

If you know to configure "local mesh" try to define a more densed mesh lines where the port is connected.

hope this will be useful,

regards,
 

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