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主要介绍梳状线可调滤波器设计的两种结构形式,平面结构采用微带线,使用ADS软件仿真设计;三维结构采用同轴腔体,使用HFSS软件仿真设计。梳状线滤波器因其具有结构紧凑的特性,在小型化滤波器的应用场合中较为常见,就两种以梳状线滤波器的工作原理,采用不同的传输线形式进行设计,并进行成本,性能等方面的对比。
This paper mainly introduces two kinds of structure design of comb-line tunable filter. The planar structure adopts microstrip line and uses ADS software to simulate the design. The three-dimensional structure adopts the coaxial cavity and uses HFSS software to simulate the design. Comb filter because of its compact structure, the application of miniaturized filter is more common in the two comb-line filter to work on the principle of using different forms of transmission line design, and the cost, Performance and other aspects of the comparison.