Wideband Balun Bandpass Filter Based on Substrate Integrated Waveguide and CSRRs

被引：3
|
作者：
Feng, Wenjie [1 ]
Yao, Shunyu [1 ]
Shen, Jialiang [1 ]
Cao, Rui [1 ]
机构：
[1] Nanjing Univ Sci & Technol, Dept Commun Engn, Nanjing, Jiangsu, Peoples R China
来源：
PROGRESS IN ELECTROMAGNETICS RESEARCH LETTERS | 2015年 / 53卷
基金：
中国国家自然科学基金;
关键词：
D O I：
10.2528/PIERL15040701
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A high selectivity wideband balun bandpass filter based on substrate integrated waveguide (SIW) and complementary split rings resonators (CSRRs) is proposed. 180 degrees reverse phase characteristic between the two output ports can be easily realized by the multi-layer SIW power divider. Eight complementary split rings resonators are used to achieve the sharp rejection upper stopband. The proposed wideband balun filter exhibits a fractional bandwidth of 37% centered at 9.45 GHz and amplitude and phase imbalance less than 0.5 dB and 1 degrees.
引用
收藏
页码：115 / 119
页数：5
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