A reconfigurable circularly polarized embedded PICA
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abstract
In this paper, a circularly polarized reconfigurable planar inverted cone antenna (PICA) is designed, fabricated and tested. Generally, PICA antenna shows wider-bandwidth and linear polarization characteristics. However, in order to generate circular polarization, asymmetrical types of two unbalanced circular slots are etched on PICA at angle of 45. Parametric study is done to determine the optimal dimensions of the slots. The varactor diodes (SMV1232-079LF) are placed on both sides of the PICA to enable the tenability aspects of the antenna. The measurement results show 10dB impedance bandwidth from 2GHz9GHz at 0V. However, when the diode voltage varies from 1V to 12V, the 10dB impedance bandwidth reduces to 2GHz4.5GHz.
name of conference
2013 IEEE Antennas and Propagation Society International Symposium (APSURSI)