一种L波段同轴腔体滤波器的设计

Design of an L-band Coaxial Cavity Filter

同轴腔体滤波器具有插入损耗低、功率容量大、边带抑制高、寄生通带远、调试方便等优点,在雷达、通信、电子对抗等系统中的应用越来越广泛。本文介绍了一种L波段大功率同轴腔体滤波器,利用公式计算软件算出滤波器的初值,使用HFSS软件建模仿真和优化。经过验证,滤波器各项技术指标和功率容量都满足要求。

Coaxial resonator filter has the advantages of low insertion loss,large power capacity,high sideband suppression,remote parasitic passband and convenient debugging.In this paper,a kind of L wave band high-power coaxial resonator filter is introduced,the initial value of the filter is calculated by the formula calculation software,and the HFSS software is used for modeling,simulation and optimization.After testing and verification,all technical indexes and power capacity of the filter meet the requirements.