Design of microstrip dual-band bandpass filter with controllable bandwidth

被引：7

作者：

Guan, Xuehui ^{[1
]}

Ma, Zhewang ^{[1
]}

Cai, Peng ^{[1
]}

Anada, Tetsuo ^{[1
]}

Hagiwara, Gen ^{[1
]}

机构：

[1] Shanghai Univ, Sch Commun & Informat Engn, Shanghai 200072, Peoples R China

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2007年 / 49卷 / 03期

关键词：

microstrip open stub; dual-band filter; transmission zero;

D O I：

10.1002/mop.22232

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 dual-band microstrip bandpass filter with controllable bandwidth is proposed by using new dual-band resonators. The resonator consists of a pair of shunt open stubs, including a stepped-impedance open stub. The open stubs produce three transmission zeros, which result in sharp attenuations near the passbands, and large isolations between the two passbands. Design formulas of this type of filters are provided. A dual-band bandpass filter operating at 2.4 and 5.2 GHz is designed and tested, and the measured characteristics agree well with the theoretical simulations. (c) 2007 Wiley Periodicals, Inc.

引用

页码：740 / 742

页数：3

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