Design and Implementation of a Printed Circuit Model for a Wideband Circularly Polarized Bow-Tie Antenna

被引：0

作者：

Dodd, Matthew J. ^{[1
]}

Elsherbeni, Atef Z. ^{[1
]}

机构：

[1] Colorado Sch Mines, Dept Elect Engn, Golden, CO 80401 USA

来源：

ELECTRONICS | 2024年 / 13卷 / 16期

关键词：

ultra-wideband antennas; dipole antennas; satellite antennas; impedance matching;

D O I：

10.3390/electronics13163323

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A crossed bow-tie antenna design for S- and C-Band (2.44-7.62 GHz) with a peak gain of 7.29 dBi is presented to achieve wideband radiation efficiency greater than 90% and circular polarization with a single feed point. The polarization of the antenna is modeled by the input admittance of crossed bow-ties, and the model predictions are validated by experiments. A wideband matching network is designed to be tightly integrated with the antenna and produce a 103% impedance bandwidth. The matching network is decomposed into an equivalent circuit model, and an analysis is presented to demonstrate the principles of the matching network design. A prototype of the optimized antenna design is fabricated and measured to validate the analysis.

引用

页数：10

共 28 条

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