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An electrically small Yagi antenna with enhanced bandwidth characteristics using folded cylindrical helix dipoles
Author(s) -
Yoon IckJae,
Ling Hao
Publication year - 2011
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.25997
Subject(s) - bandwidth (computing) , dipole antenna , high gain antenna , antenna gain , helical antenna , antenna measurement , dipole , microwave , optics , physics , engineering , electrical engineering , materials science , coaxial antenna , antenna (radio) , telecommunications , quantum mechanics
An electrically small, two‐element Yagi antenna is presented.Low‐Q, folded cylindrical helix dipoles are used for the driver and the reflector element for enhanced bandwidth performance. The design is optimized, built and measured. The kr of the antenna is 0.95. The measured realized gain in the end‐fire direction is found to be 6.19 dB with a 1‐dB‐drop‐in‐realized‐gain bandwidth of 2.82%. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:1231–1233, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.25997
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