Broadband circularly polarised square slot antenna fed by coplanar waveguide | Zendy

Liu Y.W. | Zendy; Hsu P. | Zendy

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Broadband circularly polarised square slot antenna fed by coplanar waveguide

Author(s) -

Liu Y.W.,

Hsu P.

Publication year - 2013

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

ISSN - 1350-911X

DOI - 10.1049/el.2013.0905

Subject(s) - coplanar waveguide , broadband , optics , square (algebra) , slot antenna , antenna (radio) , physics , telecommunications , microstrip antenna , computer science , mathematics , microwave , geometry

A broadband circularly polarised square slot antenna fed by a coplanar waveguide (CPW) from a corner of the slot is proposed. A check‐shaped strip with its vertex connected to the protruded signal strip of the CPW is used to achieve circular polarisation. The measured 3 and 1 dB axial ratio bandwidths are 48 and 21.3%, respectively, and the input impedance bandwidth (| S 11 | ≤ − 10 dB) is 73.9%, which covers the entire circular polarisation band.

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