Slot-coupled microstrip antenna for broadband circular polarisation

C. W. Su; Jeen-Sheen Row

doi:10.1049/el:20064040

Slot-coupled microstrip antenna for broadband circular polarisation

C. W. Su, Jeen-Sheen Row

Department of Electrical Engineering

Research output: Contribution to journal › Article

13 Citations (Scopus)

Abstract

A microstrip antenna with broadband circular polarisation (CP) is presented. The proposed microstrip antenna has a circular patch and is excited by a series microstrip-line-feed configuration through the coupling of a ring slot in the ground plane. The broadband operation is achieved by coupling two CP resonant elements, which are due to the circular patch and the ring slot, respectively. A typical prototype using foam material of thickness 5mm as the antenna substrate is constructed. Measured results show the 3dB-axial-ratio bandwidth centred at 2500MHz is more than 10.

Original language	English
Pages (from-to)	318-319
Number of pages	2
Journal	Electronics Letters
Volume	42
Issue number	6
DOIs	https://doi.org/10.1049/el:20064040
Publication status	Published - 2006 Mar 16

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All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering

Cite this

Su, C. W., & Row, J-S. (2006). Slot-coupled microstrip antenna for broadband circular polarisation. Electronics Letters, 42(6), 318-319. https://doi.org/10.1049/el:20064040

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AB - A microstrip antenna with broadband circular polarisation (CP) is presented. The proposed microstrip antenna has a circular patch and is excited by a series microstrip-line-feed configuration through the coupling of a ring slot in the ground plane. The broadband operation is achieved by coupling two CP resonant elements, which are due to the circular patch and the ring slot, respectively. A typical prototype using foam material of thickness 5mm as the antenna substrate is constructed. Measured results show the 3dB-axial-ratio bandwidth centred at 2500MHz is more than 10.

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Access to Document

10.1049/el:20064040