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2019•International Symposium on Antennas and PropagationRequires access

Circularly and Linearly Polarized Planar Antenna Element with Perturbed Feeding System

Yoshiki Araki, Shota Dochi, Akinori Matsui

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Abstract

We propose a planar antenna that emits circularly/linearly polarized radiation with a perturbed feed, in which the resonant frequencies of the two antenna elements are slightly shifted. The antenna is composed of a printed dipole antenna and a planar inverted-F antenna on a dielectric substrate. The antenna is designed based on simulation results and its characteristics are experimentally verified. The results confirm that the proposed antenna radiates both circular and linear polarization.

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What this paper is about

We propose a planar antenna that emits circularly/linearly polarized radiation with a perturbed feed, in which the resonant frequencies of the two antenna elements are slightly shifted. The antenna is composed of a printed dipole antenna and a planar inverted-F antenna on a dielectric substrate. The antenna is designed based on simulation results and its characteristics are experimentally verified. The results confirm that the proposed antenna radiates both circular and linear polarization.

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Available abstract

We propose a planar antenna that emits circularly/linearly polarized radiation with a perturbed feed, in which the resonant frequencies of the two antenna elements are slightly shifted. The antenna is composed of a printed dipole antenna and a planar inverted-F antenna on a dielectric substrate. The antenna is designed based on simulation results and its characteristics are experimentally verified. The results confirm that the proposed antenna radiates both circular and linear polarization.

Key concepts: Turnstile antenna, Coaxial antenna, Antenna measurement, Dipole antenna, Monopole antenna, Optics, Radiation pattern, Antenna factor

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