An Ultra-Compact Full-Band Waveguide Quadrature Hybrid Coupler

被引：18

作者：

Cano, Juan Luis ^{[1
]}

Ceccato, Gabriele ^{[2
]}

Fernandez, Tomas ^{[1
]}

Mediavilla, Angel ^{[1
]}

Perregrini, Luca ^{[2
]}

机构：

[1] Univ Cantabria, Dept Ingn Comunicac, Santander 39005, Spain

[2] Univ Pavia, Dept Elect Comp & Biomed Engn, I-27100 Pavia, Italy

来源：

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2022年 / 32卷 / 01期

关键词：

Couplers; Couplings; Bandwidth; Standards; Apertures; Waveguide components; Transformers; Directional coupler; full bandwidth; hybrid coupler; waveguide; DESIGN;

D O I：

10.1109/LMWC.2021.3116103

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 work proposes an easily scalable quadrature hybrid coupler (QHC) topology with two symmetric stepped apertures that originate a square coaxial-like mid-section. This new configuration enables an ultra-compact design, three times shorter than equivalent structures, having 40% of fractional bandwidth with 25 dB of matching/isolation and 1 dB of axial ratio (AR). The impedance transformers can be easily redesigned to meet other requirements related to electrical performance or even other desired coupling values. For verification purposes, a prototype at Ku-band was manufactured and measured showing good agreement with simulation results.

引用

页码：9 / 12

页数：4

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