Pre-distortion method and device to enhance the power utility of power amplifiers in wireless digital communication applications
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United States of America Patent
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Apr 9, 2013
Grant Date -
Apr 28, 2011
app pub date -
Jul 2, 2009
filing date -
Jul 2, 2008
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Abstract
The present invention concerns the field of power amplifiers and in particular the enhancement of the performance of the amplifier by a feedback loop acting on the input signal. We present a method for linearizing a power amplifier circuit having as input signal a digital base-band input signal, (x), a power output signal 8z), a power amplifier (PA) and a linearizer module (LM).
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