Compact Quasi-Elliptic Wideband Bandpass Filter Using Cross-Coupled Multiple-Mode Resonator

被引：30

作者：

Ren, Si-Wei ^{[1
]}

Peng, Hong-Li ^{[1
]}

Mao, Jun-Fa ^{[1
]}

Gao, An-Ming ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Minist Educ China Res Design & Electromagnet Comp, Key Lab, Shanghai 200240, Peoples R China

来源：

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2012年 / 22卷 / 08期

关键词：

Bandpass filter (BPF); cross coupling; multiple-mode resonator (MMR); quasi-elliptic; wideband; BROAD-BAND;

D O I：

10.1109/LMWC.2012.2205230

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 novel compact wideband bandpass filter (BPF) is proposed based on cross-coupled multiple-mode resonator (MMR). The proposed resonator is constructed by introducing cross coupling between the high-impedance lines of a classical MMR. It is shown that new symmetrical pairs of transmission zeros (TZs) can be generated at the lower and upper stopbands, respectively, leading to a quasi-elliptic function response that enhances the selectivity and out-of-band rejection significantly. One filter prototype is designed, fabricated and measured for validation and shows the expected performance.

引用

页码：397 / 399

页数：3

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