中国空间科学技术

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射电天文保护滤波器

吴须大   

  1. 西安空间无线电技术研究所
  • 发布日期:1989-12-25

RADIO ASTRONOMY REJECT FILTER

Wu Xuda (Xi-an Institute of Space Radio Technology)   

  • Published:1989-12-25

摘要： 本文介绍了射电天文波段保护滤波器,它是一种结构新颖的同轴带阻滤波器。这个滤波器使用了λ/4同轴腔谐振器和外方内圆的传输线。在研制中充分应用了同轴滤波器的设计技术,获得了高阻带衰减、低通带插入损耗的满意的实测结果。

关键词: 带阻滤波器, 设计

Abstract: This paper presents a filter protecting the radio astronomicalfrequency band,which is a novel coaxial band-rejection filter in structure.The filter uses λ/4 coaxial cavities as resonater and round wire in squareouter conducter as transmission line.In designing of the filter by makinggood use of design technology of coaxial filters,the measured performanceof high attenuation in stopband and low insertion loss in passband issatisfactorily obtained.