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L‐Shaped probe‐feed circularly polarized microstrip patch antenna with a cross slot
Author(s) -
Lo W. K.,
Hu J.L.,
Chan C. H.,
Luk K. M.
Publication year - 2000
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/(sici)1098-2760(20000520)25:4<251::aid-mop7>3.0.co;2-h
Subject(s) - microstrip antenna , patch antenna , turnstile antenna , bandwidth (computing) , optics , circular polarization , microwave , microstrip , axial ratio , physics , engineering , coaxial antenna , electrical engineering , materials science , antenna (radio) , telecommunications
A small‐size circularly polarized (CP) microstrip patch antenna with a cross slot using a single L‐shaped probe feed is designed and measured. This L‐shaped probe single‐feed CP antenna can achieve a wider impedance bandwidth, axial‐ratio bandwidth, and gain bandwidth without using the phase shifters or hybrid couplers. Therefore, this simpler design of an L‐shaped probe CP antenna is suitable for use in many communication systems. © 2000 John Wiley & Sons, Inc. Microwave Opt Technol Lett 25: 251–253, 2000.