Tunable Substrate Integrated Waveguide Bandpass Filter Using Liquid Crystal Material

被引：0

作者：

Guo, Zhiyong ^{[1
]}

Liu, Yupeng ^{[2
]}

Yang, Tao ^{[2
]}

Xia, Lei ^{[2
]}

Xu, Ruimin ^{[2
]}

Jiang, Di ^{[1
]}

Gan, Baichuan ^{[1
]}

Cao, Weiping ^{[3
]}

机构：

[1] Univ Elect Sci & Technol China, Sch Commun & Informat Engn, Chengdu, Peoples R China

[2] Univ Elect Sci & Technol China, Fundamental Sci EHF Lab, Chengdu, Peoples R China

[3] Guilin Univ Elect Technol, Guangxi Key Lab Wireless Wideband Commun & Signal, Guilin, Peoples R China

来源：

PROCEEDINGS OF THE 2016 11TH INTERNATIONAL SYMPOSIUM ON ANTENNAS, PROPAGATION AND EM THEORY (ISAPE) | 2016年

基金：

中国国家自然科学基金;

关键词：

Complementary split-ring resonator; liquid crystal; substrate integrated waveguide; tunable filter; DESIGN;

D O I：

暂无

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 microwave tunable substrate integrated wave-guide bandpass filter using nematic liquid crystals is researched in this paper combined with the complementary split-ring resonators. The nematic liquid crystal is used to control the corresponding working frequency, with its permittivity changing caused by deflection angle of the liquid crystal molecules. And its deflection angle changing is controlled by the bias voltage. The simulation results show that the permittivity of liquid crystal changes from 2.79 to 3.56 to make the passband frequency achieve 490 MHz frequency offset.

引用

页码：763 / 765

页数：3

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