diplexer at S-band with stripline

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dch316

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hi,
i need suggestions on how to design a diplexer (tx 2.223, rx 2.047 GHz) with stripline technology. I've thought of two interdigital BPfilters but I am not sure if it will work.
thanks in advance
 

if tx looks like a low impedance at rx and vice versa, then this will get you close to the answer.
 

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    dch316

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frannk said:
if tx looks like a low impedance at rx and vice versa, then this will get you close to the answer.
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thank you frannk, it sure will help me
However, now I am thinking on what type of filter is the best in this case (interdigital?, combline?, coupled resonators?, etc..). Has anybody any suggestion? The only restriction at the moment is that it should be stripline.
thanks
 

It primarily depends on what your bandwidth is and cuttoff, that would determine which filter to use. I woulod think that for your app, a regular stripline should work.

Is this with Rods or microstrip.
 

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