Dual-band bandstop filter using stub-loaded resonators with sharp rejection characteristic

被引：31
|
作者：
Chen, Fu-Chang [1 ]
Qiu, Jie-Ming [1 ]
Chu, Qing-Xin [1 ]
机构：
[1] S China Univ Technol, Sch Elect & Informat Engn, Guangzhou, Guangdong, Peoples R China
来源：
ELECTRONICS LETTERS | 2013年 / 49卷 / 05期
基金：
中国国家自然科学基金; 高等学校博士学科点专项科研基金;
关键词：
D O I：
10.1049/el.2012.3752
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：
Dual-band bandstop filters using open-circuited stub-loaded resonators are presented. The first and second resonant frequencies of the open-circuited stub-loaded resonator can be flexibly controlled by tuning the length and position of the open-circuited stub. To illustrate the concept, a dual-band bandstop filter has been designed, fabricated and measured. The prototype of the dual-band bandstop filter achieved attenuation of 42 and 44 dB at 2.4 and 5.2 GHz.
引用
收藏
页码：351 / 352
页数：2
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