FIELD: antenna equipment.
SUBSTANCE: invention relates to the field of antenna equipment and can be used as radiators of flat antenna arrays with feeder signal routing. Invention is a horn radiator for a phased antenna array comprising a segment of a square waveguide, a stepped pyramidal horn with a square cross-section, longitudinal axis of symmetry of which coincides with longitudinal axis of symmetry of section of square waveguide, and dielectric plate intended for conversion of linear polarization waves into waves of circular polarization or waves of circular polarization into waves of linear polarization, wherein at the ends of the dielectric plate profiled matching sections are formed.
EFFECT: technical result consists in achieving CMA level of horn radiator of more than 0_80 and emission of circularly polarized waves with low level of cross-polarization.
1 cl, 7 dwg, 1 tbl
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