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Digital predistortion linearizes the non-linear response of a power amplifier over anoperating region. It uses digital signal processing techniques to condition a basebandsignal prior to modulation, up-conversion, and amplification by the power amplifier.Digital Predistortion within Advanced Design System uses a series of system simulationsand system sub-networks developed and implemented to evaluate the performance ofdigital predistortion.
The implemented designs contain sufficient flexibility such that avariety of system sub-networks and a large number of system parameters can be readilychanged so that the impact of those changes on system performance can be evaluated.
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