电可调液晶共面波导阶梯阻抗谐振器

樊星叶; 李若舟; 严静; 方玉明; 于映

doi:10.1631/FITEE.2000278

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电可调液晶共面波导阶梯阻抗谐振器

常规文章 | Updated：2022-05-19

- 电可调液晶共面波导阶梯阻抗谐振器
  Enhanced Publication
- Electrically tunable liquid crystal coplanar waveguide stepped-impedance resonator
- 信息与电子工程前沿（英文） 2021年22卷第9期页码：1270-1276
- Affiliations：
  
  College of Electronic and Optical Engineering & College of Microelectronics, Nanjing University of Posts and Telecommunications, Nanjing 210023, China
  National and Local Joint Engineering Laboratory of RF Integration and Micro-Assembly Technology, Nanjing University of Posts and Telecommunications, Nanjing 210023, China
- Author bio：
  
  Jing YAN, E-mail: jing.yan@njupt.edu.cn
  Ying YU, E-mail: ying_yu_001@163.com
- Funds：
  
  Project supported by the National Natural Science Foundation of China (Nos. 61704090 and 11904177), the Natural Science Foundation of Jiangsu Province, China (Nos. BK20170908 and BK20170903), the Natural Science Foundation of the Higher Education Institutions of Jiangsu Province, China (No. 17KJA470005), the National and Local Joint Engineering Laboratory of RF Integration and Micro-Assembly Technology (No. KFJJ20180201), and NUPTSF (Nos. NY217123 and NY217124)
- DOI：10.1631/FITEE.2000278
  中图分类号： TN99
- 纸质出版日期：2021-09，
  
  收稿日期：2020-06-09，
  
  修回日期：2021-08-24，
- Accepted：
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樊星叶, 李若舟, 严静, 等. 电可调液晶共面波导阶梯阻抗谐振器[J]. 信息与电子工程前沿（英文）, 2021,22(9):1270-1276.

XINGYE FAN, RUOZHOU LI, JING YAN, et al. Electrically tunable liquid crystal coplanar waveguide stepped-impedance resonator. [J]. Frontiers of information technology & electronic engineering, 2021, 22(9): 1270-1276.
樊星叶, 李若舟, 严静, 等. 电可调液晶共面波导阶梯阻抗谐振器[J]. 信息与电子工程前沿（英文）, 2021,22(9):1270-1276. DOI： 10.1631/FITEE.2000278.

XINGYE FAN, RUOZHOU LI, JING YAN, et al. Electrically tunable liquid crystal coplanar waveguide stepped-impedance resonator. [J]. Frontiers of information technology & electronic engineering, 2021, 22(9): 1270-1276. DOI： 10.1631/FITEE.2000278.

摘要

提出一种液晶可调阶梯阻抗谐振器。该谐振器分别在3.367 GHz和7.198 GHz处谐振，这两个频点可通过对液晶层加载电压实现连续调节。实验表明仅需施加14 V的外加电压，即可实现52 MHz和210 MHz的调谐范围，并与仿真结果吻合；在此基础上，研究了驱动过程中电压带来的迟滞效应。该器件在两个频点处的插入损耗分别为−2.9 dB和−4 dB，回波损耗均小于−21.5 dB。该谐振器可应用于需要频率连续可调的各类通信系统中。

Abstract

A tunable stepped-impedance resonator using liquid crystal is demonstrated. Two resonant frequencies at 3.367 and 7.198 GHz are realized and can be continuously tuned by external applied voltages. Continuous tunable ranges of 52 and 210 MHz have been achieved at a particularly low driving voltage of 14 V

which shows good agreement with the simulation results. The voltage-induced hysteresis phenomenon is also investigated. This device also has a low insertion loss of -2.9 and -4 dB for the two resonant frequencies and the return losses are less than -21.5 dB. This work provides a new protocol to realize a tunable frequency for communication systems.

关键词

软测量有监督贝叶斯网络隐变量局部加权建模质量预测

Keywords

Tunable stepped-impedance resonator (SIR)Liquid crystalCoplanar waveguide (CPW)

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