FIELD: antenna equipment.
SUBSTANCE: invention relates to antenna engineering and can be used as an independent dual-band and two-polarization antenna or as an element of an antenna array when constructing antenna systems of high efficiency, for example for telemetry of various objects. On flat metal screen high-frequency band radiators are installed in the form of square metal plates equipped with four blind slots, perpendicular to sides and located in their center, in-phase power is supplied in pairs to opposite slots, and the low-frequency band emitter is located above the high-frequency band radiators and is in form of a thin symmetrical vibrator, power supply to which is connected through a high-resistance quarter-wave transformer and a balancing conductor connected to one of the vibrator arms and the outer conductor of the input cable.
EFFECT: technical result consists in simplifying the design by reducing the number of emitters in both ranges, simplifying the design of the screen, increasing the gain in both bands, enlarging the band of operating frequencies.
1 cl, 4 dwg
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Authors
Dates
2019-12-13—Published
2019-03-29—Filed