Compact inline triplet SIW filter with embedded short-ended strip line

被引：0
|
作者：
Ding J. [1 ]
Zhang T. [2 ]
Liu F. [1 ]
机构：
[1] College of Computer and Information, Hohai University, Nanjing
[2] College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing
来源：
Ding, Ji (dingji@hhu.edu.cn) | 2016年 / Electromagnetics Academy卷 / 61期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
8;
D O I：
10.2528/PIERC15120304
中图分类号：
学科分类号：
摘要：
A compact triplet inline substrate integrated waveguide (SIW) bandpass filter is presented with sharp lower skirt and deep lower-stopband performance. The filter is composed of two SIW rectangular cavities and an embedded short-ended strip line on the top surface of two adjacent SIW cavities. A transmission zero can be generated by the cross coupling near the lower passband edge, which allows the filter implementation in inline with sharp lower skirt. Deep lower stopband performance is inherited from SIW. To validate the concept, a filter prototype with fractional bandwidth (FBW) of 4% at 5.75 GHz is designed, fabricated and measured. Good agreement can be obtained between the measured and simulated results. © 2016 Electromagnetics Academy. All Rights Reserved.
引用
收藏
页码：127 / 130
页数：3
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