A novel compact microstrip bandpass filter using an open-loop resonator with radial stub

被引：2
|
作者：
Chen, JX
Xu, J
Xue, Q
机构：
[1] City Univ Hong Kong, Dept Elect Engn, Kowloon, Hong Kong, Peoples R China
[2] Univ Elect Sci & Technol China, Inst Appl Phys, Chengdu 610054, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2005年 / 46卷 / 04期
关键词：
bandpass filter; slow-wave; open-loop resonator; radial stub;
D O I：
10.1002/mop.20995
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 microstrip bandpass filter using an open-loop resonator with radial stub is proposed, which has the advantages of compact size and sharp rejection in the stopband. One transmission zero is realized in the upper stopband in order to improve the selectivity of the passband. The transmission-zero frequency can be changed by altering the outer radius of the radial stub. A demonstration filter is designed and tested and the theoretical and experimental results are presented. (c) 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 46: 387-389, 2005; Published online in Wiley InterScience (www. interscience.wiley.coin). DOI 10.1002/mop.20995.
引用
收藏
页码：387 / 389
页数：3
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