Printed Planar 8 x 8 Array Antenna With Circular Polarization for Millimeter-Wave Application
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A new type of printed millimeter planar antenna with circular polarization for 60-GHz range is proposed. Radiation elements with two open tape rings are arranged in a two-dimensional 8 x 8 antenna array. Feeding is synphase network with tapered symmetrical (balanced) microstrip in the same plane as the radiation elements. The 8 x 8 array is fabricated in the conventional technology. To test reproducibility, three samples are fabricated. Measured S-11 (VSWR), gain, and axial ratio (AR) are very good and in very good agreement between all three samples: AR LT 3 dB about 25% and gain near 20 dBi.
Кључне речи:Antenna array / circular polarization / millimeter waves / planar antenna
Извор:IEEE Antennas and Wireless Propagation Letters, 2012, 11, 744-747
- Ieee-Inst Electrical Electronics Engineers Inc, Piscataway