H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
H01Q 19/30 (2006.01) H01Q 1/38 (2006.01)
Patent
CA 2596025
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.
Hojjat Nasrin
Litva John
Shapiro Cohen
Tenxc Wireless Inc.
LandOfFree
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