Compact High-Performance Balanced Wideband BPF With a Notch Band and Multiple Transmission Zeros

被引：2
作者：
Zhao, Shipeng [1 ]
Wang, Zhongbao [1 ,2 ]
Liu, Hongmei [1 ]
Gao, Mingming [1 ,2 ]
Fang, Shaojun [1 ]
机构：
[1] Dalian Maritime Univ, Sch Informat Sci & Technol, Dalian 116026, Liaoning, Peoples R China
[2] Liaoning Tech Univ, Liaoning Key Lab Radio Frequency & Big Data Intell, Huludao 125105, Liaoning, Peoples R China
来源：
IEEE MICROWAVE AND WIRELESS TECHNOLOGY LETTERS | 2024年 / 34卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Band-pass filters; Resonator filters; Transversal filters; Microwave filters; Interference; Wideband; Wireless communication; Balanced bandpass filter (BPF); double-sided parallel-strip line (DSPSL); notch band; transversal signal inference; SUPERCONDUCTING FILTER;
D O I：
10.1109/LMWT.2024.3389944
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：
In this letter, a novel compact high-performance balanced wideband bandpass filter with a notch band and multiple transmission zeros (TZs) based on double-sided parallel-strip line (DSPSL) structure is proposed. Compared with the half-wavelength microstrip lines, an intrinsic excellent common-mode suppression (CMS) can be realized with a small circuit size in the DSPSL structure. The wideband filtering responses are first constructed by using a short stub-loaded multimode resonator. The shorted coupled lines are utilized to introduce extra TZs on account of the transversal signal interference technique. The asymmetric three-line coupled structures are employed to create a notch band around 3.0 GHz to avoid inference signals. One filter prototype is designed, manufactured, and measured to validate the framework principle.
引用
收藏
页码：607 / 610
页数：4
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