抑制微波干扰的电源滤波器设计

抑制微波干扰的电源滤波器设计

内容简介：普通的电源干扰抑制滤波器，当工作在1GHz频率以上时，通常辅之以微波吸收式滤波器以改善其抑制特性。但当频率超过10GHz时，以上结构已无能为力。本文根据传输线理论，将λ／4短路线和级联传输线设计用于微波的电源干扰抑制滤波器，改善了滤波器的干扰抑制能力，在实际应用中取得了很好的效果。

Abstract：When the frquency is raised to 1GHz or higher,microwave absorption filter is often applied to improve the interference suppression capability of common power-line filter. Both of these filters will not be able to meet the requirements of interference suppression for frequencies up to 10GHz. In this paper,the design of the interference suppression power-line filter based on Transmission Line Theory is presented. The basic elements of the filter are λ/4 short circuits and cascade transmission lines. The interference suppression capability is greatly improved ,when using this kind of filters.

作者：张娴, 蒋全兴,

关键词：微波, 滤波器, 插入损耗