Design of circularly polarized annular-ring slot antennas fed by a double-bent microstripline

Jia Yi Sze; Chung I.G. Hsu; Min Hua Ho; Yu He Ou; Ming Ting Wu

doi:10.1109/TAP.2007.908801

Design of circularly polarized annular-ring slot antennas fed by a double-bent microstripline

Jia Yi Sze, Chung I.G. Hsu, Min Hua Ho, Yu He Ou, Ming Ting Wu

Graduate Institute of Communication Engineering

Research output: Contribution to journal › Article

72 Citations (Scopus)

Abstract

A novel design of a circularly polarized annular-ring slot antenna is discussed. The circular polarization is attained through a newly proposed double-bent microstripline that feeds the antenna at two different positions. Several structural parameters were experimentally studied with care to establish a design procedure, which was subsequently drawn into a design flow chart. Validation was carried out using the antennas designed at 3.5 and 1.59 GHz. The measured 3-dB axial-ratio bandwidth (ARBW) for the former is 10.5% and for the latter, 10.0%, which is larger than the 8.5% 3-dB ARBW required by an Inmarsat application.

Original language	English
Pages (from-to)	3134-3139
Number of pages	6
Journal	IEEE Transactions on Antennas and Propagation
Volume	55
Issue number	11 II
DOIs	https://doi.org/10.1109/TAP.2007.908801
Publication status	Published - 2007 Nov 1

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All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering

Cite this

Sze, J. Y., Hsu, C. I. G., Ho, M. H., Ou, Y. H., & Wu, M. T. (2007). Design of circularly polarized annular-ring slot antennas fed by a double-bent microstripline. IEEE Transactions on Antennas and Propagation, 55(11 II), 3134-3139. https://doi.org/10.1109/TAP.2007.908801

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10.1109/TAP.2007.908801