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Información tecnológica

On-line version ISSN 0718-0764

Abstract

SUAREZ-FAJARDO, Carlos A; MARTIN-JACKSON, Cristiam D  and  PUERTO-LEGUIZAMON, Gustavo A. Short-Circuited Patch Antenna with Circular Polarization and Reconfigurable Sense of Rotation for Small-Sized Satellite Application. Inf. tecnol. [online]. 2017, vol.28, n.6, pp.125-132. ISSN 0718-0764.  http://dx.doi.org/10.4067/S0718-07642017000600014.

This paper presents the design and characterization of a circular microstrip patch antenna, fed by a hybrid quadrature coupler to achieve reconfigurable circular polarization. The radiating element has a radius of 2Q.3mm and the overall dimensions of the antenna are 76mm x 76mm X 2.Q3mm, suitable to attaching it to one of the faces of a satellite (CubeSat 1U). The measurement results of the prototype show a maximum gain of G0 = 6,04dBi and axial ratio bandwidth of 48.56MHz (2%) respect to 2dB at the center frequency of f0 = 2,44GHz; an impedance bandwidth of 27.44% respect to the magnitude of the reflection coefficient of S11 < -10 dB, in the range of 2,295GHz to 3,Q25GHz at the center frequency of f0 = 2,44GHz.

Keywords : shorted circular patch antenna; circular polarization; reconfigurable antenna; satellite application.

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