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Journal Article Electrically Small Tunable Antennas Using Split Ring Resonators
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Authors
J. Ju, Y. Chong, J. Kim, S. Eom, J. Choi
Issue Date
2012-07
Citation
Electronics Letters, v.48, no.14, pp.812-813
ISSN
0013-5194
Publisher
IET
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1049/el.2012.0649
Abstract
Presented are tunable electrically small antennas composed of split ring resonators (SRRs), which are used to reduce antenna size. To control the resonance frequency, a lumped inductor is inserted between the SRRs and the ground. The proposed antenna operates within Korean personal communication services (PCS) frequency bands of 1750-1870MHz, and the size of the antenna is 1/33{\\lambda} 0×1/33{\\lambda} 0 with an operating frequency of 1800MHz. In spite of its small size, the radiation efficiency and -10dB bandwidth were measured as 82 and 2.4, respectively. Good agreement between the predicted and measured results ensures the validity of the design method to provide a frequency adjustment using lumped inductors in small SRR antennas. © 2012 The Institution of Engineering and Technology.
KSP Keywords
Design method, Frequency adjustment, Operating frequency, Personal communication services, Resonance frequency, Tunable antennas, antenna size, electrically small antennas, frequency band, radiation efficiency, small size