Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 26, 2013
Patent Application Number
13040693
Date Filed
March 4, 2011
Patent Citations Received
Patent Primary Examiner
Patent abstract
An electronic apparatus having communications capabilities, including: an envelope detector that detects an envelope of a transmission signal; a differentiator that differentiates the envelope with respect to time to obtain differential components; a filtering processor that filters the differential components; an integrator that integrates the filtered differential components with respect to time to generate an envelope tracking signal; an amplifying unit that amplifies the transmission signal; and a voltage controller that controls, in accordance with the envelope tracking signal, a voltage the amplifying unit uses to amplify the transmission signal.
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