Abstract:

This paper introduces an implementation technology which can reduce the insertion loss and increase the out-of-band rejection for high-power filter.The design of high performance high-power filter becomes quite easy by choosing reasonably the structure of filter,related components and PCB material;fully considering the influence on different frequencies by PCB wiring in the process of designing filter;adopting uniform transmission line design for PCB wiring as far as possible;and combining the theory with engineering practice.

Key words: insertion loss;passband fluctuation;uniform transmission line