Design of compact high temperature superconducting dual-band filter using dual-composite right-/left-handed resonators

被引：1

作者：

Zhang, Junjie ^{[1
]}

Liu, Qing ^{[1
]}

Zhang, Dewei ^{[1
]}

Yang, Hong ^{[1
]}

Zhang, Guangwei ^{[1
]}

机构：

[1] China Natl Digital Switching Syst Engn & Technol, Zhengzhou 450001, Peoples R China

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2021年 / 63卷 / 11期

基金：

中国国家自然科学基金;

关键词：

D-CRLH; dual-band; dual-mode; high temperature superconducting;

D O I：

10.1002/mop.32936

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 high temperature superconducting dual-band band-pass filter (BPF) is presented based on compact dual-mode dual-composite right-/left-handed (D-CRLH) resonators in this article, which is composed of spiral coupled lines and meander lines. In addition, the equivalent circuit model and the admittance matrix are given to analyze the resonant characteristics of the designed D-CRLH resonator. Then, the proposed filter realizes the flexible controllability of the center frequencies and coupling coefficient of the two passbands, which greatly increases the design freedom of dual-band BPFs. Finally, the proposed filter was designed and etched on a 0.5-mm-thick MgO substrate with double-sided YBCO thin-films for demonstration. The measured results match the simulated ones well, indicating the feasibility of the proposed design method.

引用

页码：2693 / 2698

页数：6

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