A novel asymmetry C-band dual-mode bandpass filter using pentagon loop resonator

被引：0
|
作者：
Tang, Jingxin [1 ]
Wan, Jing [2 ]
Wang, Zhengbiao [1 ]
Liu, Haiwen [3 ]
Ren, Baoping [1 ]
Wen, Pin [3 ]
机构：
[1] East China Jiaotong Univ, Sch Informat Engn, Nanchang, Jiangxi, Peoples R China
[2] Chinese Acad Sci, Inst Microelect, Beijing, Peoples R China
[3] Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Xian, Peoples R China
来源：
2019 CROSS STRAIT QUAD-REGIONAL RADIO SCIENCE AND WIRELESS TECHNOLOGY CONFERENCE (CSQRWC) | 2019年
关键词：
pentagon; dual-mode; asymmetry; bandpass filter; DEGENERATE MODES;
D O I：
10.1109/csqrwc.2019.8799166
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 dual-mode pentagon resonator that produces asymmetrical frequency response is proposed for the first time in this paper. Unlike a typical dual mode filter, its two ports are distributed along a straight line. By changing the arrangement of perturbation, two transmission zeros (TZs) can be both in the upper stop-band or one in the lower stop band and the other in the upper stopband. The effect of cavities' depth on odd and even modes' splitting is also investigated. Finally, a asymmetric dual-mode filter with elliptical response is designed to verify the effectiveness of the proposed method. The pass-band of designed filter is centered at 6.41 GHz with fractional bandwidth of 7.8%, and its selectivity is improved by two transmission zeros located at 6.2 and 9.8 GHz.
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收藏
页数：3
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