Dual quarter-wavelength hairpin bandpass filter with multiple transmission zeros

被引：5
|
作者：
Lin, Shih-Cheng [1 ]
Wang, Chi-Hsueh [1 ]
Lin, Yo-Shen [2 ]
Chen, Chun Hsiung [1 ]
机构：
[1] Natl Taiwan Univ, Dept Elect Engn, Taipei 106, Taiwan
[2] Natl Cent Univ, Dept Elect Engn, Chungli, Taiwan
来源：
2006 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM DIGEST, VOLS 1-5 | 2006年
关键词：
microstrip; bandpass filter; quarter-wavelength resonator; stepped-impedance resonator; transmission zero; selectivity;
D O I：
10.1109/MWSYM.2006.249544
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 dual quarter-wavelength (lambda/4) hairpin microstrip resonator is proposed, which is composed of two;L A stepped-impedance resonators (SIR's) that are coupled through a shorted stub section. In this study, the dual resonator structure is utilized to design a bandpass filter for which the filter order may be doubled and the via number required in the conventional lambda/4 filter may be reduced to halt Specifically, a four-pole quasi-elliptic microstrip filter is realized with two pairs of transmission zeros created around the passband edges so that the filter selectivity may be improved.
引用
收藏
页码：361 / +
页数：2
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