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一种新型双环双模带通滤波器
  • 期刊名称：电子学报
  • 时间：0
  • 页码：668-671
  • 语言：中文
  • 分类：TN713[电子电信—电路与系统]
  • 作者机构：[1]上海交通大学微波与射频技术研究中心,上海200240
  • 相关基金：国家重点基础研究发展规划（973计划）项目（No.2009CB320202）; 国家自然科学基金委创新群体项目（No.60821062）
  • 相关项目：片上系统的互连问题与高端IP核研究
作者： 周亮|毛军发|褚瑞|
关键词： 带通滤波器, 双模, 双环, bandpass filter, dual mode, double loop
中文摘要：

本文提出了一种由一个环形谐振器和一个微扰小环构成的新型双环双模带通滤波器.微扰小环具有两个可调参数,增加了调整双模的自由度,从而更容易地调节双模,便于实现滤波器的小型化.抽头输入输出耦合结构可以方便地调整双模滤波器的两个传输零点,从而改善滤波器的通带特性.最后实现了中心频率为2.41GHz,相对带宽为17.77%的双环双模带通滤波器,通带内插入损耗为0.67dB,回波损耗为17dB,且带外衰减大于20dB.

英文摘要：

A novel double loop dual-mode bandpass filter is proposed which is composed of a quadrate resonator and a small quadrate loop for the purpose of perturbation.The small quadrate loop has two tunable parameters which increase the degree of freedom of dual modes and make the miniaturization easier.Tapped coupling can be used to change the transmission zeros so that the performance of filter is improved.A prototype filter is designed and fabricated with a measured center frequency of 2.41GHz,17.77% fractional bandwidth,a low passband insertion loss of 0.67dB,a high passband return loss of 17dB and a wide stop band with rejection better than 20dB.

同期刊论文项目
片上系统的互连问题与高端IP核研究
期刊论文 54 会议论文 32 获奖 6 专利 23
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