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
收藏
页码：397 / 399
页数：3
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