Broadband Suspended Microstrip Antenna For Circular Polarization

@article{Kasabegoudar2009BroadbandSM,
  title={Broadband Suspended Microstrip Antenna For Circular Polarization},
  author={Veeresh Gangappa Kasabegoudar and K. J. Vinoy},
  journal={Progress in Electromagnetics Research-pier},
  year={2009},
  volume={90},
  pages={353-368}
}
In this paper we propose a circularly polarized (CP) microstrip antenna on a suspended substrate with a coplanar capacitive feed and a slot within the rectangular patch. The antenna has an axial ratio bandwidth (< 3 dB) of 7.1%. The proposed antenna exhibits a much higher impedance bandwidth of about 49% (S11 < -10 dB) and also yields return loss better than -15 dB in the useful range of circular polarization. Measured characteristics of the antenna are in good agreement with the simulated… Expand
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