NDLI: Electrically Small Resonant Planar Antennas: Optimizing the quality factor and bandwidth.

Content Provider	IEEE Xplore Digital Library
Author	Best, S.R.
Copyright Year	1990
Abstract	The fundamental limitation (lower bound) on the quality factor (Q) of an electrically small antenna that fully occupies a spherical volume is defined by the well-known Chu limit. More recently, the subject of lower bounds for small antennas of arbitrarily shaped volumes has been given considerable attention in the literature. Gustafsson et al. were the first to present lower bounds for the Q of antennas of arbitrary volume. More significantly, they presented details on the optimum aspect ratios for minimizing the Q of electrically small antennas that fully occupy cylindrical volumes and planar areas. In previous works, we have described several electrically small-wire antenna designs that fully occupy spherical and cylindrical volumes and that are impedance matched and efficient and exhibit Qs that most closely approach the Chu limit and the Gustafsson limit, respectively.
Starting Page	38
Ending Page	47
Page Count	10
File Size	4317243
File Format	PDF
ISSN	10459243
Volume Number	57
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Dipole antennas Impedance Helical antennas Planar arrays Antenna radiation patterns Antenna theory
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering

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