Differential-mode wideband bandpass filter for UWB application

被引：0
|
作者：
Li, Meng [1 ]
Fang, Zhang [1 ,2 ]
Kwoun, Sung-Su [1 ]
Lee, Byungje [1 ]
Kim, Jin-Young [1 ]
Choi, Jin-Joo [1 ]
Lee, Jong-Chul [1 ]
机构：
[1] Kwangwoon Univ, Dept Wireless Commun Engn, Seoul 139701, South Korea
[2] Harbin Inst Technol, Dept Elect Sci & Technol, Harbin 150001, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2013年 / 55卷 / 01期
基金：
新加坡国家研究基金会;
关键词：
balanced filter; differential-mode excitation; common-mode suppression; ultra-wideband; microstrip; SUPPRESSION; LINE;
D O I：
10.1002/mop.27230
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：
The design of a differential-mode wideband bandpass filter (BPF) with good common-mode suppression is presented in this article. The structure of the proposed filter is divided to behave like a bandpass or bandstop filter (BSF) under differential- or common-mode operation. The open stubs in the BSF are used to control the 3-dB bandwidth (BW) of the BPF by slightly reducing the 3-dB cut-off BW of the BSF. To validate the design idea, a differential-mode BPF centered at 4 GHz with a 3-dB BW of 55%, near 30 dB common-mode suppression, is designed and fabricated. (C) 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:197200, 2013; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.27230
引用
收藏
页码：197 / 200
页数：4
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