Abstract

In this paper we present a suspended rectangular and circular patch circularly polarized (CP) microstrip antenna with coplanar capacitive feed. Of the two circularly polarized (CP) antennas presented here, the first antenna uses fractal geometry with center slot within the rectangular patch and other having two perpendicular slots etched on circular patch in order to get circular polarization. The first antenna has an axial ratio bandwidth ( 11 11 11 is well below −20 dB in range of CP operation. Measured values fairly agree with the simulated results.

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