HORN ANTENNA Russian patent published in 2005 - IPC

FIELD: radio engineering; superbroad-band microwave horn antennas.

SUBSTANCE: proposed horn antenna 1 (Fig. 1) that can be used in metrology, in communication systems, in solving problems of electromagnetic compatibility and is characterized in low level of cross-polarization component of field and linear phase-frequency characteristic has rectangular horn 2 whose butt-end is closed with metal plug 6 that mounts coaxial connector, as well as first, second and third metal ridges 3, 4, and 17, respectively; two first opposing faces 8 and 9 of rectangular horn 2 are made of metal in the form of equilateral trapezium and other two faces 11 and 12, in the form of a number of contact members 13 whose leads are electrically connected to respective metal faces 8 and 9. First metal ridge 3 is mounted in center of metal face 8, second and third metal faces 4 and 17 are mounted on metal face 9 symmetrically relative to first metal ridge 3 either side of the latter; first metal ridge 3 is connected on metal plug 6 to central conductor of coaxial connector; second and third metal ridges 4 and 17 are connected on metal plug 6 to ground conductor of coaxial connector. Relevant equations describing shape of metal ridges are given in description of invention.

EFFECT: enhanced matching level and negligible nonuniformity of matching characteristic throughout entire frequency band.

20 cl, 14 dwg