SINGLE-INPUT SINGLE-OUTPUT TWO-BOX POLAR BEHAVIORAL MODEL FOR ENVELOPE TRACKING POWER AMPLIFIERS
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Feb 22, 2016
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Feb 22, 2016
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Abstract
The single-input single-output two-box polar behavioral model for envelope tracking power amplifiers estimates magnitude and phase of the output signal in separate paths. More specifically, the model is a two-box polar behavioral model using a complex magnitude and phase splitter that feeds a parallel combination of a generalized memory polynomial function and a memoryless polynomial function applied to the input signal's magnitude and phase, respectively. The present model is experimentally validated using a gallium nitride-based envelope tracking power amplifier driven by multi-carrier test signals.
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