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IEICE TRANSACTIONS on Communications

Offset Beam Planar Antenna Employing Low Loss Triangular Dielectric Phase Shifter

Naoki HONMA, Fumio KIRA, Tamami MARUYAMA, Keizo CHO, Hideki MIZUNO

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Summary :

Employing a triangular dielectric phase shifter simplifies the beam forming network of an offset beam array antenna because this structure achieves phase control in a single configuration. This paper proposes a design method for a low loss offset beam planar antenna that incorporates a triangular dielectric plate phase shifter on parallel microstrip feedlines. Our design method reduces the loss of the phase shifter by optimizing the microstrip line width. By using the proposed design equation, the optimum low loss phase shifter configuration can be easily established. In addition, this paper presents the actual design of a triangular plate considering size reduction. The results of experiments of the offset beam antenna indicate that our design method is effective in obtaining a simple, low loss, and compact configuration.

Publication
IEICE TRANSACTIONS on Communications Vol.E86-B No.9 pp.2720-2727
Publication Date
2003/09/01
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Antennas and Propagation

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