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A new technique for bandwidth improvement and size reduction of helical antennas
Author(s) -
Alsawaha H.,
SafaaiJazi A.
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.26427
Subject(s) - bandwidth (computing) , microwave , impedance matching , materials science , engineering , wavelength , electronic engineering , electrical impedance , optoelectronics , optics , electrical engineering , telecommunications , physics
Novel modifications on axial‐mode wire helical antennas are introduced by replacing the wire with a tapered strip and using a doubly tapered impedance matching section.These modifications increase the bandwidth by 8% and reduce the helix height buy more than 0.6 wavelength. Simulation and measurement results are presented. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:2990‐2994, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26427