wavguide filter with bend?is it ok?

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amicloud

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I designed a filter with no bend firstly, and I directly change the filter to one with bend, and place one inductive iris inside the bend,but the result is very poor.how to improve?
 

hi
i have done that for waveguide filters, by HFSS. I optimized the filter's post. and the bend, using hfss's optimization ans sweeps. It took some time.

sara
 

when you change the structure of you design , it is necessary to tuning the filter in the simulator. the optim in HFSS is very powerful but it is very time-comsuing.
I find a new method to design every resonator-coupling filter including iris waveguide filter . it is very efficient and accuracy. I have designed a 20pole filter using this method though it is unrealizing(maybe using superconductor).
I will post it on the forum if anyone want to see it .
 

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