多传输零点基片集成波导双通带滤波器

doi:10.3969/j.issn.1007-2861.2013.07.024

上海大学学报(自然科学版) ›› 2014, Vol. 20 ›› Issue (3): 330-336.doi: 10.3969/j.issn.1007-2861.2013.07.024

多传输零点基片集成波导双通带滤波器

程孝奇, 李国辉, 鉴浩, 彭太维

上海大学特种光纤与光接入网省部共建重点实验室, 上海200072

收稿日期:2013-05-21 出版日期:2014-06-26 发布日期:2014-06-26
通讯作者: 李国辉(1970—), 男, 副教授, 博士, 研究方向为微波器件与无线通信系统等. E-mail:ghlee@sohu.com
作者简介:李国辉(1970—), 男, 副教授, 博士, 研究方向为微波器件与无线通信系统等. E-mail: ghlee@sohu.com
基金资助:
上海市重点学科建设资助项目(S30108)

Substrate Integrated Waveguide Dual-Band Filter with Multi-transmission Zeros

CHENG Xiao-qi, LI Guo-hui, JIAN Hao, PENG Tai-wei

Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai University, Shanghai 200072, China

Received:2013-05-21 Online:2014-06-26 Published:2014-06-26

摘要/Abstract

摘要： 提出一种新型的基片集成波导(substrate integrated waveguide, SIW)双通带滤波器. 该滤波器由2个不同中心频率、不同带宽的滤波器组成, 共用输入输出端口, 并采用矩形基片集成波导谐振腔结构, 通过在源与负载之间引入电耦合产生多个传输零点, 从而大大提高了滤波器的选择特性. 设计了一款工作在Ku波段的基片集成波导双通带滤波器, 两通带带宽分别为220和120 MHz. 利用Ansoft HFSS建立滤波器模型并进行全波仿真. 仿真结果表明, 该滤波器带外衰减陡峭, 结构紧凑. 实测结果与仿真结果吻合良好.

关键词: 电耦合, 基片集成波导, 双通带滤波器, 传输零点

Abstract: A novel dual-band filter based on the substrate integrated waveguide (SIW) is proposed. The filter is composed of two filters with different center frequencies and bandwidths. The two filters share the same input and output ports and use a rectangular substrate integrated waveguide cavity structure. Multi-transmission zeros have been obtained by electrical coupling between the source and the load, greatly improving the frequency-selective characteristics of the filter. A Ku-band substrate integrated waveguide dual-band filter is designed, with bandwidths of 220 and 120 MHz for the two pass-bands. A model with full-wave simulation is built with the Ansoft HFSS. Simulation results show that the filter has steep stopband attenuation and a compact structure. easurement results agree well with the simulation.

Key words: dual-band filter, electrical coupling, substrate integrated waveguide (SIW), transmission zero

中图分类号:

TN 713+.5

程孝奇, 李国辉, 鉴浩, 彭太维. 多传输零点基片集成波导双通带滤波器[J]. 上海大学学报(自然科学版), 2014, 20(3): 330-336.

CHENG Xiao-qi, LI Guo-hui, JIAN Hao, PENG Tai-wei. Substrate Integrated Waveguide Dual-Band Filter with Multi-transmission Zeros[J]. Journal of Shanghai University（Natural Science Edition）, 2014, 20(3): 330-336.

参考文献

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多传输零点基片集成波导双通带滤波器

Substrate Integrated Waveguide Dual-Band Filter with Multi-transmission Zeros

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