A NOVEL DUAL-MODE BANDPASS FILTER USING STUB-LOADED DEFECTED GROUND OPEN-LOOP RESONATOR

被引：6
|
作者：
Guan, X. [1 ]
Wang, B. [1 ]
Wang, X. -Y. [1 ]
Wang, S. [1 ]
Liu, H. [1 ]
机构：
[1] East China Jiaotong Univ, Sch Informat Engn, Nanchang 330013, Jiangxi, Peoples R China
来源：
PROGRESS IN ELECTROMAGNETICS RESEARCH LETTERS | 2011年 / 26卷
基金：
新加坡国家研究基金会;
关键词：
D O I：
10.2528/PIERL11071402
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 novel dual-mode bandpass filter (BPF) using stub loaded defected ground open-loop resonator is proposed in this article. Defected arrow-shaped stub is loaded to a defected ground open loop resonator, and two non-degenerate modes are excited for dual mode characteristics. Based on even- and odd-mode theory, dual mode characteristics of the resonator is analyzed. Design equations for the defected-ground resonator are investigated. A two-pole dual mode bandpass filter operating at 2.4 GHz with fractional bandwidth of 7.97% is designed, fabricated, and measured. Good agreement between simulated and measured results verifies the validity of this design methodology.
引用
收藏
页码：31 / 37
页数：7
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