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A dual frequency circularly polarized antenna design using a combination of DRA and microstrip patch

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3 Author(s)
Yoonjae Lee ; Electromagn. Commun. Lab., Pennsylvania State Univ., University Park, PA, USA ; Junho Yeo ; R. Mittra

In this paper, we present a novel dual frequency circularly polarized antenna concept, utilizing a cylindrical dielectric resonator and a microstrip patch. we describe a stacked configuration of a dielectric resonator antenna on a microstrip patch for dual frequency operation. A circular polarization is obtained by utilizing four coax feeds in phase quadrature. A numerical simulation of the radiation characteristic and return loss of the antenna has been performed. This configuration is found to exhibit a wide axial ratio beamwidth.

Published in:

Antennas and Propagation Society International Symposium, 2003. IEEE  (Volume:4 )

Date of Conference:

22-27 June 2003