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

页码：197 / 200

页数：4

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