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how to set boundary condition of dielectric resonator filter?

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sirikphon

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Hello,

I designed the 38 GHz dielectric resonator filter using CST microwave studio.
Now I have problem to set the boundary condition of dielectric resonator filter during simulation.
How to the set boundary condition? is it to set Et=0 or Open?
As attached is the designed of 38 GHz dielectric resonator filter and result with boundary condition set to Et=0.
upon fabrication of the design from CST, I measured them using Network Analyzer and the S-parameter results
is not the same with the S-parameter result from the CST. I meant the value such as S21 in CST= -1.63 dB but
in Network Analyzer is -20.215dB.


Thank you.::smile:
 

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  • 38 GHz dielectric resonator filter.jpg
    38 GHz dielectric resonator filter.jpg
    48.9 KB · Views: 39
  • 38 GHz dielectric resonator filter-result.jpg
    38 GHz dielectric resonator filter-result.jpg
    129.1 KB · Views: 32

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