Power supply pre-distortion
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United States of America Patent
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Oct 27, 2015
Grant Date -
Aug 29, 2013
app pub date -
May 26, 2011
filing date -
May 28, 2010
priority date (Note) -
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Abstract
There is disclosed a method of generating a supply voltage (230) for a power amplifier (114) arranged to amplify an input signal (228), comprising: generating (104) a target supply voltage tracking the input signal (228); predistorting (400) the target supply voltage to compensate for effects on a supply voltage in the amplifier (114); and generating (102) the supply voltage for the amplifier (114) in dependence on the predistorted target supply voltage (414).
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