NDLI: Characteristics of aperture coupled microstrip antennas on magnetized ferrite substrates

Content Provider	IEEE Xplore Digital Library
Author	Leon, G. Boix, R.R. Freire, M.J. Medina, F.
Copyright Year	1963
Abstract	The method of moments in the spectral domain is applied to the full-wave analysis of aperture coupled microstrip antennas in the case where the substrate of the antennas is a layered medium containing magnetized ferrites. The subsectional basis functions used in the analysis make it possible to handle patch antennas and coupling apertures with right angle corners of arbitrary shape. The numerical results obtained show that antennas on ferrite substrates fed by single microstrip lines can radiate both circular and linear polarization, the polarization state being dependent on the orientation of the ferrites bias magnetic field. For a given polarization state, the matching frequency band of the antennas can be tuned over a wide frequency range by adjusting the magnitude of the bias magnetic field. Also, the polarization state can be continuously tuned from circular to linear within the same frequency band by adjusting both the magnitude and the orientation of the bias magnetic field. Some measurements are presented in order to check the validity of the numerical algorithm developed.
Sponsorship	IEEE Antennas and Propagation Society
Starting Page	1957
Ending Page	1966
Page Count	10
File Size	583670
File Format	PDF
ISSN	0018926X
Volume Number	53
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Microstrip antennas Couplings Aperture coupled antennas Aperture antennas Ferrites Polarization Frequency Magnetic field measurement Magnetic domains Magnetic analysis spectral-domain approach Magnetic tuning microstrip antennas microwave ferrites polarization
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering

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