A Wideband and Low-Unroundness Printed Conical Equiangular-Spiral Antenna

被引：0

作者：

Wu, Chunbo ^{[1
]}

He, Mang ^{[1
]}

Zhang, Chuanfang ^{[1
]}

机构：

[1] Beijing Inst Technol, Sch Informat & Elect, Beijing, Peoples R China

来源：

2017 IEEE SIXTH ASIA-PACIFIC CONFERENCE ON ANTENNAS AND PROPAGATION (APCAP) | 2017年

关键词：

conical equiangular-spiral antenna; wideband; low unroundness; microstrip tapered balun;

D O I：

暂无

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 wideband printed conical equiangular-spiral antenna of low unroundness is proposed. The antenna, with two arms being printed on the substrate, is complementary itself and fed by a microstrip balun. The microstrip balun, linearly and gradually tapered, is adopted to literally match the balanced structure and the wideband characteristics of the antenna. Simulation results in HFSS are discussed. The unroundness within +35 is less than 1dB and the realized gain is over OdB. The impedance bandwidth (VSWR<1.5) is from 1.19GHz to 2.5GHz, with axial ratio less than 1.58dB. The simulation results demonstrate that this antenna is quite suitable for antenna measurement within this frequency range which fully covers the operating frequency of the satellite navigation system.

引用

页数：3

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