Broadband circularly polarised dielectric resonator antenna fed by wideband switched line coupler | Zendy

Han RongCang | Zendy; Zhong ShunShi | Zendy; Liu Jing | Zendy

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Broadband circularly polarised dielectric resonator antenna fed by wideband switched line coupler

Author(s) -

Han RongCang,

Zhong ShunShi,

Liu Jing

Publication year - 2014

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

eISSN - 1350-911X

pISSN - 0013-5194

DOI - 10.1049/el.2014.0809

Subject(s) - broadband , wideband , dielectric resonator , dielectric resonator antenna , optics , resonator , hybrid coupler , antenna (radio) , optoelectronics , physics , power dividers and directional couplers , materials science , telecommunications , engineering

A dual‐feed rectangular dielectric resonator antenna with a wideband switched line coupler is proposed for generating broadband circular polarisation. The new wideband switched line coupler provides good impedance matching, equal power splitting and consistent 90° phase shifting over a wide bandwidth. The proposed antenna exhibits a 3 dB axial ratio bandwidth of 47.69% and an impedance matching bandwidth of 48.46% for a voltage standing wave ratio ≤2.

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