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A rotated elliptical slot antenna with ultra‐wide bandwidth
Author(s) -
Lao Jia,
Jin Ronghong,
Geng Junping
Publication year - 2013
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.27288
Subject(s) - bandwidth (computing) , microwave , microstrip antenna , impedance matching , acoustics , slot antenna , patch antenna , optics , microstrip , engineering , electrical engineering , electrical impedance , materials science , physics , antenna (radio) , telecommunications
A novel ultra‐wideband elliptical slot antenna is proposed.An elliptical slot is rotated by 45° and excited by a circular patch. Tapered microstrip feeding is used for impedance matching. The structure has multiresonance feature over a wide frequency range, where the simulated bandwidth ratio exceeds 20:1. Due to the limitation of the SMA connector, the experiment on the prototype antenna demonstrated an impedance bandwidth (voltage standing wave ratio < 2) of 165%, or 2.54–26.6 GHZ, 10.5:1. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:308–310, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.27288