Quadrifilar Helix Antenna
Self-phase Quadrifilar Helix Antenna

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Quadrifilar Helix Antenna

Volume: 7 | Issue: 6 | Pages: 2273-2276 | December 2017 | https://doi.org/10.48084/etasr.1569

Abstract

The objective of this study is the design and implementation of a Quadrifilar Helix Antenna (QHA) for telemetry, tracking and control of a Low Earth Orbit (LEO) satellite. Because of its cardioid-shaped circularly polarized beam, QHA can satisfy requirements of satellite communications completely. In this paper, a variation of QHA referred to as “self-phased QHA” with a single feeding circuit, has been proposed to reduce implementation complexity. The designed antenna has been analyzed and the experimental results show that the radiation pattern provides good wide-beam in the desired frequency while the antenna’s bandwidth is around 200MHz when VSWR is less than 2.

Keywords: quadrifilar helix antenna, circular polarization, satellite communication

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References

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Self-phase Quadrifilar Helix Antenna

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