volume | PIER Journals

2014-06-21

A Broadband Printed Quadrifilar Helical Antenna with a Novel Compact Broadband Feeding Network

Xiao-Qiang Yang,

Mr. Xiao-Qiang Yang

National Key Laboratory of Science and Technology on Antennas and Microwaves

Xidian University

China

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Ze-Hong Yan,

Dr. Ze-Hong Yan

Xidian University

China

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Ping Xu,

Dr. Ping Xu

Xidian University

China

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Tian-Ling Zhang,

Dr. Tian-Ling Zhang

National Key Laboratory of Antennas and Microwave Technology

Xidian University

China

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Zhanfa Zhu,

Dr. Zhanfa Zhu

National Key Laboratory of Science and Technology on Antennas and Microwaves

Xidian University

China

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Tuanjie Liang

Dr. Tuanjie Liang

Xi’an Aircraft Industry (Group) Company Ltd

China

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Progress In Electromagnetics Research C, Vol. 51, 103-109, 2014

doi:10.2528/PIERC14043008

Abstract

A broadband printed quadrifilar helical antenna (BPQHA) integrated with a broadband feeding network for satellite communications is proposed. Using a multiple arm technique, satisfactory antenna characteristics over a wide bandwidth are realized. To feed the antenna, a novel compact broadband feeding network composed of a frequency independent 180° out-of-phase power divider, two Wilkinson power dividers and two broadband 90° phase shifters is designed. The measured boresight gain remains positive with a reflection coefficient lower than -11 dB over a bandwidth of approximately 26%. The axial ratio is below 1.7 dB and the half-power beamwidth is more than 120° over the same bandwidth. Details of the proposed antenna design are provided and discussed, as well as the experimental results.

Citation

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Xiao-Qiang Yang, Ze-Hong Yan, Ping Xu, Tian-Ling Zhang, Zhanfa Zhu, and Tuanjie Liang, "A Broadband Printed Quadrifilar Helical Antenna with a Novel Compact Broadband Feeding Network," Progress In Electromagnetics Research C, Vol. 51, 103-109, 2014.
doi:10.2528/PIERC14043008

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