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Low‐cost flat metal‐plate dipole antenna for 2.4/5‐GHz WLAN operation
Author(s) -
Su SaouWen,
Chou JuiHung
Publication year - 2008
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.23461
Subject(s) - dipole antenna , standing wave ratio , dipole , microwave , radiation pattern , coaxial antenna , electrical engineering , optics , monopole antenna , omnidirectional antenna , antenna (radio) , physics , engineering , materials science , telecommunications , microstrip antenna , quantum mechanics
A low‐cost, one‐piece, flat‐plate dipole antenna for dual WLAN band operation is presented. The dipole antenna is rectangular in shape with the dimensions 10 mm × 37 mm and fed by 50‐Ω mini‐coaxial cable. By cutting two L‐shaped slits in each radiating arm, two dipole arms are obtained, which form a larger dipole and a smaller dipole antennas for the 2.4‐ and 5‐GHz band operation, respectively. The dipole arms are further short‐circuited, making it possible for the antenna to be fabricated by stamping a single, flat metal plate only. The impedance bandwidth for 2.4/5‐GHz WLAN operation is with VSWR below 1.5 and good omnidirectional radiation patterns are also observed. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 1686–1687, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23461
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