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A MICROSTRIP DOUBLE SIDED MONOPOLE YAGI-UDA ANTENNA WITH APPLICATION IN SECTOR ANTENNAS
A MICROSTRIP DOUBLE SIDED MONOPOLE YAGI-UDA ANTENNA WITH APPLICATION IN SECTOR ANTENNAS
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机译:微带双侧面单臂八木UDA天线及其在部门天线中的应用
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摘要
A double-sided PCB monopole Yagi-Uda antenna is disclosed, preferably as part of a directional beam antenna comprising a plurality of such antennas vertically mounted in spoke-like fashion around a metallic antenna PCB substrate. The monopoles are printed on a monopole dielectric substrate. Each antenna comprises a driver, a reflector and a pair of directors, each forming a strip etched at corresponding positions on either side of the PCB and electrically connected at a distal end of the strip by a via passing through the PCB. The driver is connected to the central conductor of a connector, while the reflector and directors are grounded. Because the monopoles are printed on a double-sided PCB, there is no bias in the azimuth pattern of antenna when vertically mounted as contemplated above. The use of a monopole dielectric substrate provides generally more consistent and improved performance over discrete wire monopole Yagi-Uda antennas.
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