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Dual-Band Circularly Polarized Stack-Ring Antenna

  • Sung, Youngje (Department of Electronic Engineering, Kyonggi University)
  • Received : 2018.04.27
  • Accepted : 2018.10.26
  • Published : 2019.01.31

Abstract

A stack-ring configuration is proposed for designing a dual-band circularly polarized (CP) antenna. Each ring generates different resonant frequencies. A good CP performance at both resonant frequencies is achieved by adjusting the relative distance between the two rings. The two operating bands are separated with a small frequency ratio of 1.07. Measured results show that radiation patterns with good CP characteristics are obtained at the two resonant frequencies.

Keywords

CP Antenna;Dual-Band Antenna

Acknowledgement

Supported by : National Research Foundation of Korea

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