Full Ka-band right-angle transition from substrate integrated waveguide to air-filled rectangular waveguide

被引：16

作者：

Dong, Jun ^{[1
]}

Yang, Ziqiang ^{[1
]}

Peng, Hao ^{[1
]}

Yang, Tao ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Sch Elect Engn, Chengdu 611731, Peoples R China

来源：

ELECTRONICS LETTERS | 2015年 / 51卷 / 22期

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

Millimeter waves - Rectangular waveguides - Electric fields - Bandwidth;

D O I：

10.1049/el.2015.2462

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 full Ka-band right-angle transition from a substrate integrated waveguide (SIW) to an air-filled rectangular waveguide is proposed. A two-step ridged waveguide and the SIW with an etched slot are jointly designed to obtain a better electric field and impedance matching between the SIW and the air-filled rectangular waveguide. To verify the method, a back-to-back transition prototype at Ka-band is designed, fabricated and measured. The measured results show that the insertion loss of a single transition is <0.55 dB over the entire Ka-band from 26.5 to 40 GHz. Moreover, the 15 dB fractional bandwidth is increased from 25.7 to 40.9% compared with conventional right-angle SIW-to-waveguide transition. This broadband transition can be a good candidate for broadband millimetre-wave applications.

引用

页码：1796 / 1797

页数：2

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