FIELD: radio equipment.
SUBSTANCE: invention relates to radio engineering, specifically to vertical polarization antennas and a sectoral beam pattern in a horizontal plane, and can be used as directional antennas for wireless networks, primarily ISM bands. Device is made in the form of two rigidly connected metal rods, containing half-wave vibrator, supplied from its lower end through matching device in form of quarter-wave open line closed at lower end. As vibrators, providing directional properties of antenna, located parallel to axis of half-wave vibrator, introduced is a reflector and directors made active with shunt power supply devices and cross-connected connecting conductors of equal length to endings of a half-wave vibrator.
EFFECT: technical result consists in the possibility of expanding the working frequency band and in the possibility of adjusting the width of the beam pattern while simplifying the design of the antenna.
1 cl, 6 dwg
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Authors
Dates
2019-11-11—Published
2019-03-11—Filed