Differential-mode bandpass filter on microstrip line with wideband common-mode suppression

被引：6
|
作者：
Chen, Dong [1 ]
Zhu, Lei [2 ]
Bu, Huizheng [2 ]
Cheng, Chonghu [1 ]
机构：
[1] Nanjing Univ Posts & Telecommun, Sch Elect Sci & Engn, Nanjing, Jiangsu, Peoples R China
[2] Univ Macau, Dept Elect & Comp Engn, Fac Sci & Technol, Macau, Peoples R China
来源：
ELECTRONICS LETTERS | 2017年 / 53卷 / 03期
基金：
中国国家自然科学基金;
关键词：
band-pass filters; microstrip lines; microstrip filters; resonator filters; coupled transmission lines; differential-mode bandpass filter; wideband common-mode suppression; microstrip line topology; DM BPF; half-wavelength uniform impedance resonators; coupled-line sections; open-circuited stub; spurious CM response; wideband CM suppression; RESONATOR;
D O I：
10.1049/el.2016.4223
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 differential-mode (DM) bandpass filter (BPF) on microstrip-line topology with wideband common-mode (CM) suppression is presented. The DM BPF is composed of a pair of half-wavelength (/2) uniform impedance resonators and two coupled-line sections as feeding scheme. By installing an open-circuited stub in the middle of the coupled-line section, spurious CM response can be tremendously suppressed over a wide band. Thus, wideband CM suppression is realised in and beyond core DM passband. Finally, a DM BPF is designed and fabricated to support the proposed design concept.
引用
收藏
页码：163 / U44
页数：3
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