COMPACT DUAL-MODE, DUAL-BAND, MICROSTRIP FILTER WITH MULTIPLE TRANSMISSION ZEROS

被引：0
|
作者：
Wei, C. L. [1 ]
Jia, B. F. [1 ]
Zhu, Z. J. [1 ]
Tang, M. C. [1 ]
机构：
[1] Univ Elect Sci & Technol China, Chengdu 610054, Peoples R China
来源：
MICROWAVE JOURNAL | 2011年 / 54卷 / 12期
关键词：
DESIGN;
D O I：
暂无
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 compact microstrip, dual-mode, dual-band bandpass filter with multiple transmission zeros is presented. The filter consists of an open stub loaded resonator (OSLR) and a short stub loaded resonator (SSLR). By utilizing the odd- and even-mode resonance properties of the proposed dual-mode resonators, the filter is designed with two transmission poles in both passbands. Furthermore, the coupling introduced between source and load can result in multiple transmission zeros in the stopband, which will improve the selectivity of the passband and reject the unwanted signals above the passband. To validate the design theory, a dual-mode, dual-band filter, with two passbands located at the center frequencies of 2.4 and 5 GHz, was designed and fabricated. Both experimental and simulation results are provided, with good agreement.
引用
收藏
页码：86 / +
页数：5
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