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Circularly polarized antenna for 2.3–2.7 GHz WiMax band
Author(s) -
Chang The Nan
Publication year - 2009
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.24749
Subject(s) - coplanar waveguide , wimax , microwave , return loss , conductor , bandwidth (computing) , optics , electrical engineering , physics , transmission line , center frequency , engineering , circular polarization , antenna (radio) , telecommunications , microstrip , materials science , wireless , band pass filter , composite material
Abstract A novel circularly polarized antenna fed by a coplanar waveguide is presented. Center conductor of the transmission line is protruded to form a semi‐circular shape and two ground ports of the transmission line are extensively connected to form a closed loop. By tuning width of the closed loop, we can make the return loss and axial ratio bandwidth to cover 2.3–2.7 GHz WiMAX band. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 2921–2923, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24749