Wideband circularly polarized radial stub fed slot antenna | Zendy

Rao Patnam H. | Zendy

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Wideband circularly polarized radial stub fed slot antenna

Author(s) -

Rao Patnam H.

Publication year - 2004

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.20421

Subject(s) - wideband , stub (electronics) , optics , standing wave ratio , physics , circular polarization , radiation pattern , turnstile antenna , coaxial antenna , microwave , bandwidth (computing) , engineering , electrical engineering , telecommunications , microstrip antenna , antenna (radio) , microstrip

Wideband circular polarization with a boresight axial ratio of ≤ 2.2 dB is achieved over 35% of bandwidth by sequential rotation of linearly polarized radial stub‐fed slot elements (2 × 2 array). The effect of the feed interactions upon the antenna radiation pattern is also analysed. The impedance bandwidth of the antenna is 40%, centered at 2.1 GHz for VSWR ≤ 1.5. The average measured gain of the antenna is 3 dB. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 43: 211–213, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20421

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