FIELD: radio engineering, communications.
SUBSTANCE: receiving antenna module comprises an antenna element, including a dielectric substrate made in the form of an inverted sleeve with a ledge on an end surface of a wall and a metallised inner surface, and a printed conductor, installed on the outer side of the substrate sleeve bottom, a receiver circuit board installed on the metallised surface of the substrate, a cover fixed in the ledge of the substrate sleeve and having facilities of fixation to a metal screen, an a cable with a connector at the end, attached to the output of the receiver's circuit board, the printed conductor of the antenna element is made in the form of a metamaterial structure, the dielectric substrate is made of a polymer material with relative dielectric permeability of less than 6.0, the receiver's circuit board is equipped with a limiting diode assembly connected to a link in parallel to the inlet of a low-noise amplifier, and a microassembly of the receiver with a digital output, connected to a filter, the cable is made as multiwire, and its connector is made in the form of a USB-slot, the cable is pulled via a thin-walled metal pipe, fixed with one end in the metallised opening of the module and with the other end pressing it mechanically, and is sealed at the output from the metal tube of an adhesive shrink-wrap tube.
EFFECT: improved noise immunity.
11 cl, 12 dwg
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Authors
Dates
2013-06-20—Published
2012-04-25—Filed