Application of a Stub-Loaded Square Ring Resonator for Wideband Bandpass Filter Design

被引：14
|
作者：
Zhang, Ping [1 ]
Liu, Liqin [1 ]
Chen, Deli [1 ]
Weng, Min-Hang [1 ]
Yang, Ru-Yuan [2 ]
机构：
[1] Putian Univ, Sch Informat Engn, Putian 351100, Peoples R China
[2] Natl Pingtung Univ Sci & Technol, Grad Inst Mat Engn, Pingtung 912, Pingtung County, Taiwan
来源：
ELECTRONICS | 2020年 / 9卷 / 01期
关键词：
stub-loaded square ring resonator; resonant mode; bandpass filter; wideband; COMPACT;
D O I：
10.3390/electronics9010176
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, a stub-loaded square ring resonator (SLSRR) is analyzed and applied to design a very simple and compact wideband bandpass filter structure. Resonant modes dependent on the structure parameters of the SLSRR are analyzed first, and then the first two modes are used to achieve a required passband. The input and output terminals are supplied with high impedance and strong coupling to provide sufficient coupling energy. Two wideband filter examples are designed, manufactured, and measured using the SLSRRs. The first filter is a wideband filter with a wide upper stopband, and the second filter is a dual wideband filter with a notched stopband between two passbands. The two filter examples are designed, fabricated, and measured to verify the design concept and present the advantages of easy design and a simple and compact structure.
引用
收藏
页数：14
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