A Novel CP Horn Antenna with Switchable Polarization by Single Port Feeding | Zendy

Yangzhen Huang | Zendy; Junping Geng | Zendy; Xianling Liang | Zendy; Ronghong Jin | Zendy; Xudong Bai | Zendy

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A Novel CP Horn Antenna with Switchable Polarization by Single Port Feeding

Author(s) -

Yangzhen Huang,

Junping Geng,

Xianling Liang,

Ronghong Jin,

Xudong Bai

Publication year - 2015

Publication title -

international journal of antennas and propagation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.282

H-Index - 37

eISSN - 1687-5877

pISSN - 1687-5869

DOI - 10.1155/2015/562521

Subject(s) - beamwidth , optics , horn antenna , polarizer , physics , bandwidth (computing) , coaxial , waveguide , axial ratio , coaxial antenna , circular polarization , engineering , antenna (radio) , antenna measurement , electrical engineering , radiation pattern , slot antenna , telecommunications , microstrip , birefringence

A novel CP horn antenna with switchable polarization by single port feeding is presented. The antenna is composed of a coaxial-waveguide converter and a balance-cavity, a horn, a square-to-circular waveguide transition, and a stepped-septum polarizer, which simplify the feeding and can work on the left-hand or right-hand circular polarizations by manual exchanging the mounting position of the coaxial-waveguide converter and the balance-cavity. The antenna achieves an impedance bandwidth (3.88~5.12 GHz) of 27.5% and a 3 dB-AR (Axial Ratio) bandwidth of 18.6%, with the 3 dB-AR beamwidth of about 149°, and the antenna gain is over 13.3 dB in the available band

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