Square Dual-Mode Quasi-Elliptic Bandpass Filter with Wide Upper Stopband

被引：0
|
作者：
Ma, Y. [1 ,2 ]
Che, W. [1 ]
Feng, W. [1 ]
Chen, J. -X. [3 ]
机构：
[1] Nanjing Univ Sci & Technol, Dept Commun Engn, Nanjing 210094, Jiangsu, Peoples R China
[2] Huaiyin Inst Technol, Fac Math & Phys, Huaian 223003, Peoples R China
[3] Nantong Univ, Sch Elect & Informat, Nantong 226019, Peoples R China
来源：
APPLIED COMPUTATIONAL ELECTROMAGNETICS SOCIETY JOURNAL | 2013年 / 28卷 / 11期
关键词：
Bandpass filter; dual-mode; quasi-elliptic; wide upper stopband; HARMONIC SUPPRESSION; TRANSMISSION ZEROS;
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 square dual-mode quasi-elliptic bandpass filter (BPF) with a wide stopband is proposed. To realize the quasi-elliptic response and harmonic suppression for the filter, the inductive source-load coupling is introduced. To achieve wider stopband suppression, the open-circuited stubs are adopted. A demonstration filter with 3-dB fractional bandwidth (2.84 GHz 3.28 GHz) about 14.3 % has been designed, fabricated, and measured. Simulated and measured results indicate that the proposed filter can effectively suppress 6th harmonic response referred to a suppression degree of 16.5 dB.
引用
收藏
页码：1056 / 1060
页数：5
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