FIELD: physics, communication.
SUBSTANCE: suggested invention is related to antenna engineering and may be used as antenna for users of digital on-air television networks MMDS or wireless Internet networks Wi-Fi, which operate in ranges of 2.5-2.7 GHz and 2.4-2.5 GHZ accordingly. Subscriber antenna represents antenna array, radiating elements of which are modules based on square frames with perimeter equal to average length of working range wave, joined to each other by means of short-circuited loops. Radiating modules are installed on front side of radio transparent base, being connected through balancing device to power supply circuit arranged by method of printed technology on one of sides of foiled glass-cloth laminate. Glass-cloth laminate is fixed on back surface of base so that its metallised side serves as reflecting screen. To protect radiators against meteorological precipitation, they may be closed by radio transparent film or special coat.
EFFECT: development of phased antenna array with higher amplification ratio, low size and optimised supply system, due to simplification of design and better radiating capacity of a separate frame radiator.
1 dwg
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Authors
Dates
2009-09-20—Published
2007-02-19—Filed