A BROAD-BANDWIDTH DUAL-BAND BANDPASS FILTER DESIGN USING COMPOSITE RIGHT/LEFT HANDED TRANSMISSION LINES

被引：7
|
作者：
Chaudhary, G. [1 ]
Jeong, Y. [1 ]
Lim, J. [2 ]
机构：
[1] Chonbuk Natl Univ, Div Elect & Informat Engn, Jeonju 561756, Chonbuk, South Korea
[2] Soonchunhyang Univ, Dept Elect & Commun, Asan, Chungnam, South Korea
来源：
JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS | 2011年 / 25卷 / 14-15期
关键词：
WIDE; RESONATOR; SIR;
D O I：
10.1163/156939311798072045
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：
In this paper, a novel design of a dual-band bandpass filter (BPF) with a broad bandwidth and low insertion loss is presented. The proposed BPF consists of short-stub composite right/left handed transmission lines and dual-band admittance inverters. Both theory and experiment have been presented in order to validate the proposed structure. The proposed dual-band BPF has the 3-dB fractional bandwidths (FBWs) of 50.24% and 20.20% at center frequencies of 2.40 GHz and 5.20 GHz, respectively, useful for wireless local area networks applications. From the measured performance, the dual-band BPF has the low insertion losses of 0.28 dB and 0.46 dB for each passband and high isolation of 39.9 dB in between two passbands.
引用
收藏
页码：2138 / 2147
页数：10
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