FIELD: antenna equipment.
SUBSTANCE: invention relates to ultrahigh frequency equipment and is intended for emitting and receiving electromagnetic waves in two different frequency ranges. The apparatus can be used in communication, radio location, and radio navigation systems, various measuring and special-purpose radio equipment. The dual-frequency mirror antenna irradiator comprises a circular high-frequency waveguide and a coaxial low-frequency waveguide coaxial therewith, a coaxial corrugated horn, a dielectric rod antenna, a matching dielectric sleeve, and a metal diaphragm. When the irradiator is assembled, the dielectric sleeve and the metal diaphragm are clamped between the flange of the waveguide and the corrugated horn.
EFFECT: increase in the simplicity and manufacturability of dual-frequency mirror antenna irradiators and ensured coaxial alignment of the external and internal tubes of the coaxial waveguide in the irradiator.
1 cl, 10 dwg
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