Novel Dual-Band Single Circular Polarization Antenna Feeding Network for Satellite Communications

被引：9

作者：

Leal-Sevillano, Carlos A. ^{[1
]}

Ruiz-Cruz, Jorge A. ^{[2
]}

Montejo-Garai, Jose R. ^{[1
]}

Rebollar, Jesus M. ^{[1
]}

机构：

[1] Univ Politecn Madrid, Dept Electromagnetismo & Teoria Circuitos, Madrid, Spain

[2] Univ Autonoma Madrid, Escuela Politecn Super, Madrid, Spain

来源：

2014 8TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP) | 2014年

关键词：

Circular polarization; dual-band; waveguide; satellite communications; orthomode transducer; antenna; polarizer; diplexer; multibeam; K/Ka band;

D O I：

10.1109/EuCAP.2014.6902525

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：

In this paper a novel dual-band single circular polarization antenna feeding network for satellite communications is presented. The novel antenna feed chain(1) is composed of two elements or subsystems, namely a diplexer and a bi-phase polarizer. In comparison with the classic topology based on an orthomode transducer and a dual-band polarizer, the proposed feed chain presents several advantages, such as compactness, modular design of the different components, broadband operation and versatility in the subsystems interconnection. The design procedure of this new antenna feed configuration is explained. Different examples of antenna feeding networks at 20/30 GHz are presented. It is pointed out the excellent results obtained in terms of isolation and axial ratio.

引用

页码：3265 / U1417

页数：5

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