基于双模谐振器的高温超导可调滤波器  

High temperature superconducting tunable filter based on dual-mode resonator

作　　者：沈列君 商兆江 黄建勇 张慧斌 Shen Liejun;Shang Zhaojiang;Huang Jianyong;Zhang Huibin(College of Sciences,Shanghai Institute of Technology,Shanghai 201418,China)

机构地区：[1]上海应用技术大学理学院,上海201418

出　　处：《低温与超导》2023年第4期13-17,共5页Cryogenics and Superconductivity

基　　金：国家自然科学基金(61901270)资助。

摘　　要：通过研究可调谐滤波器的基本原理,提出了一种奇、偶模频率分别可控的双模谐振器,采用砷化镓变容二极管作为调谐元器件,实现了高温超导带通滤波器的连续可调谐。基于全波电磁仿真分析方法,在YBCO/MgO基片上成功设计、制作了四节高温超导可调滤波器。测试结果表明,该滤波器的可调频率范围为1.296~1.526 GHz(16.3%),验证了该设计方法的有效性。Based on the principle of tunable filter,a dual-mode resonator of odd-mode and even-mode with frequencies to be controlled was proposed.With GaAs varactor as tunable element,HTS bandpass filter could be tuned continuously.According to full-wave electromagnetic simulation analysis method,four-pole HTS tunable filter was designed and fabricated on the YBCO/MgO substrate.The measured results show that the tunable frequency range of the filter is 1.296 GHz to 1.526 GHz(16.3%),verifying the validness of the proposed method.

关 键 词：高温超导 双模谐振器 可调滤波器 变容二极管 连续可调 

分 类 号：TN713.5[电子电信—电路与系统]