Compact microstrip lowpass filter for harmonics suppression using a new defected ground structure

被引：7
|
作者：
Yang, Yang [1 ]
Zhu, Xi [1 ]
Karmakar, Nemai C. [1 ]
机构：
[1] Monash Univ, Dept Elect & Comp Syst Engn, Melbourne, Vic 3800, Australia
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2012年 / 54卷 / 06期
关键词：
defected ground structure; harmonics suppression; microstrip lowpass filter; SLOTS;
D O I：
10.1002/mop.26809
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 compact microstrip lowpass filter (LPF) for harmonics suppression is proposed. An open stub LPF with uniquely shaped defect ground structure cells is used to optimize the LPF performance. A stopband attenuation of greater than 20 dB is obtained from 3.42 GHz to more than 18 GHz. The physical size of the proposed LPF, excluding transmission lines, is only 10 x 15 mm2. Good agreements between simulation and measurements are observed. (C) 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:13851387, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26809
引用
收藏
页码：1385 / 1387
页数：3
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