Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 23, 2015
Patent Application Number
14151786
Date Filed
January 9, 2014
Patent Citations Received
...
Patent Primary Examiner
Patent abstract
A communication unit includes a radio frequency, RF, transmitter having: a power amplifier, PA, module; and an envelope tracking system operably coupled to the PA module and having a supply modulator arranged to variably control a supply voltage for the PA module in response to a number of input samples of an envelope signal; wherein the envelope tracking system further includes at least one slew rate module arranged to re-distribute a maximum slew rate across the number of input samples in a provision of a variable power supply to the PA module.
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