A novel compact configuration for dual-mode microstrip resonators and dual-band bandpass filter applications

被引：6
|
作者：
Karpuz, Ceyhun [1 ]
Gorur, Ali Kursad [1 ]
机构：
[1] Pamukkale Univ, Dept Elect & Elect Engn, TR-20070 Denizli, Turkey
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2013年 / 55卷 / 04期
关键词：
dual-mode; dual-band; bandpass filter; feedline;
D O I：
10.1002/mop.27444
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 article, a novel compact dual-mode resonator formed by a square loop having folded arms and mitered bends is proposed.Degenerate modes can be excited by shifting the gaps between the folds. Thus, the center frequency can be arranged at a fixed value because the total electrical length of the proposed configuration is not changed. A novel compact dual-mode dual-band bandpass filter is also designed by locating the one resonator within the other. Additionally, to suppress the harmonic of the first passband, open-circuited stubs are connected to the end of the feedlines. Two dual-mode dual-band bandpass filters with the elliptical and linear phase filtering characteristics for both passbands have been designed, fabricated, and tested. Calculated, simulated, and measured results are in a good agreement. (c) 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:775779, 2013; View this article online at wileyonlinelibrary.com. DOI: 10.1002/mop.27444
引用
收藏
页码：775 / 779
页数：5
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