how to realize impedance matching

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hakunamatata

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hello everyong
i meet some difficults when i design microstrip filer with HTS,i use hairpin-comb constructure,but the port of the filter is too thin to connect
with the coaxial line but i think it can not realize impedance matching(Z0=50) when let the port of the filter be wider.how can i to do with it!
i am very sad,i will cannot graduate from my university if i cannot
solve this problem!
please help!!
thanks in advance!!


hakunamatata
 

Use this soft was develop by motorola. MimP..


Mimp soft + tutorial!!!
 

Hi hakunamatata,

Did you use the correct reletive permaebility Er , substrate thickness H , conductor thickness t that you need for your filter?
 

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