AIRCRAFT ANTENNA Russian patent published in 2014 - IPC H01Q13/10 

FIELD: radio engineering, communication.

SUBSTANCE: aircraft antenna comprises a cylindrical resonator open at one end, which is partially filled with a dielectric, a matching element, a coaxial connector, a tuning element, a radiator and a top cover. The centre conductor of the coaxial connector is extended into the inside of the cylindrical resonator and is connected to the radiator. The matching element is in form of two stub lines. The first stub line is placed parallel to the centre conductor of the coaxial connector. The second stub line is connected by one end to the side wall of the cylindrical resonator and by the other end to a portion of the radiator located between the points of connection with the centre conductor and the first stub line. The radiator is in form of a ring and is rigidly mounted on the dielectric. The radiator is mounted such that the axes of symmetry of the radiator and the cylindrical resonator and the straight line passing through the middle of said portion of the radiator parallel to the axis of symmetry of the radiator lie in one plane of the longitudinal section of the antenna. The tuning element is mounted in the bottom cover of the cylindrical resonator under the radiator while allowing axial displacement thereof.

EFFECT: simple design of the radiator, smaller dimensions, improved manufacturability, broader functional capabilities, high reliability.

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