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Large-Signal Behavioral Model of a Packaged RF Amplifier Based on QPSK-Like Multisine Measurements
Published
Author(s)
Maciej Myslinski, Dominique Schreurs, Catherine A. Remley, Michael McKinley, Bart Nauwelaers
Abstract
This work presents a large-signal time-domain behavioral model of an off-the-shelf RF amplifier based on QPSK-like multisine measurements. The multisine has been designed using an automated procedure. As a result, the excitation's Probabiity Density Function (PDF) approximates that of a realistic QPSK-modulated digital signal. The model accurately predicts both amplitude and phase of the complex envelope around the carrier as well as higher harmonics.