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About: Rectenna     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Whole100003553, within Data Space : dbpedia.org associated with source document(s)

Type: yago:WikicatAntennasyago:WikicatSolarCellsyago:Antenna102715229yago:Artifact100021939yago:Cell102991048yago:Device103183080yago:ElectricalDevice103269401yago:Instrumentality103575240yago:Object100002684yago:PhysicalEntity100001930yago:SolarCell104257986yago:Whole100003553 New Facet based on Instances of this Class

A rectenna (rectifying antenna) is a special type of receiving antenna that is used for converting electromagnetic energy into direct current (DC) electricity. They are used in wireless power transmission systems that transmit power by radio waves. A simple rectenna element consists of a dipole antenna with an RF diode connected across the dipole elements. The diode rectifies the AC induced in the antenna by the microwaves, to produce DC power, which powers a load connected across the diode. Schottky diodes are usually used because they have the lowest voltage drop and highest speed and therefore have the lowest power losses due to conduction and switching. Large rectennas consist of an array of many power receiving elements such as dipole antennas.