Hybrid Spoof Surface Plasmon Polariton and Substrate Integrated Waveguide Broadband Bandpass Filter With Wide Out-of-Band Rejection

被引：98

作者：

Chen, Peng ^{[1
]}

Li, Luping ^{[1
]}

Yang, Kai ^{[1
]}

Chen, Qiang ^{[2
]}

机构：

[1] Univ Elect Sci & Technol China, Sch Aeronaut & Astronaut, Chengdu 611731, Sichuan, Peoples R China

[2] Tohoku Univ, Grad Sch Engn, Sendai, Miyagi 9808579, Japan

来源：

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2018年 / 28卷 / 11期

基金：

中国国家自然科学基金;

关键词：

Broadband bandpass filter; spoof surface plasmon polariton (SSPP); substrate integrated waveguide (SIW);

D O I：

10.1109/LMWC.2018.2869290

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：

This letter presents a novel hybrid spoof surface plasmon polariton (SSPP) and substrate integrated waveguide (SIW) filter, which has the broadband bandpass and wide out-of-band rejection features. The lower and upper cutoff frequencies of the passband can be independently adjusted by changing the structural parameters of the SSPP and SIW units, respectively. The dispersion curves of the SSPP and SIW units are analyzed and the influences of some structural parameters are investigated. A hybrid SSPP-SIW filter is fabricated based on the proposed method, and the measured passband is at 7.3-11.2 GHz with a relative bandwidth of 44%. The upper stopband rejection level is lower than -40 dB from 11.8 to 19.8 GHz.

引用

页码：984 / 986

页数：3

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