Novel design of tri-band bandpass filter based on fractal-shaped geometry of a complementary single split ring resonator

被引：20

作者：

Xu He-xiu ^{[1
]}

Wang Guang-ming ^{[1
]}

Peng Qing ^{[2
]}

Liang Jian-gang ^{[1
]}

机构：

[1] Air Force Engn Univ, Missile Inst, Sanyuan 713800, Peoples R China

[2] Nanchang Univ, Sch Foreign Language, Nanchang 330031, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ELECTRONICS | 2011年 / 98卷 / 05期

基金：

中国国家自然科学基金;

关键词：

fractal; composite right/left-handed transmission line; complementary single split ring resonator; tri-band; bandpass filter; selectivity; ANTENNA;

D O I：

10.1080/00207217.2010.520156

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 novel electrically small composite right/left-handed transmission line (CRLH TL) cell based on the Minkowski-shaped geometry of a complementary single split ring resonator is proposed and analysed by the S parameters extraction method. EM simulation results have confirmed the roughly tri-band response of the proposed CRLH TL cell attributed to the fractal multiband nature. A tri-band bandpass filter (BPF) centred at 1.1, 2 and 2.74 GHz with minimum insertion loss 0.4, 1.1 and 1.45 dB was synthesised and fabricated by employing an additional two Hilbert-shaped quarter-wave open-circuit stubs which provided transmission zeros located between passbands to obtain high selectivity. This simple design concept was verified by measurement as well as simulation results.

引用

页码：647 / 654

页数：8

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