HELP:how to design diplexers?

diplexer is simply two band pass filters sharing the same input and have two differnt output for the two bands

so u need to know the bands u want to work in , and then begin to design the two filters

do u want to implement the diplexer using LTCC technology or what u will use


khouly

i will use two combline(coaxial cavity) filter,but i donot konw how to design the input port
thanks for khouly's help


krose

in the input port u need some sort of matching , if u need the input port to be 50 Ohm

khouly

do u have some article about input port or advice?
thanks
my english is very poor,sorry

krose

khouly help me pls

no i don't have documents

khouly