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August 2007 [Components] Boost PA Efficiency With Digital Predistortion Power amplifiers for wireless applications are expected to provide exceptional linearity and efficiency in order to handle the complex waveforms used in modern communications systems. Rather than building RF power amplifiers with more pure performance, which adds cost, lowers efficiency and creates reliability issues, designers today can also opt for adding digital processing power with the use of digital-predistortion (DPD) techniques that can help maximize power-amplifier (PA)... |
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