A robust modeling and design approach for dynamically loaded and digitally linearized Doherty amplifiers

Abstract

In this paper, an active load-pull-based large-signal modeling approach suitable for designing and optimizing Doherty amplifiers is proposed. The optimization of the drive dependant dynamic loads seen by both carrier and peaking amplifier's transistors was carried out using a large-signal load-pull-based behavior model built into CAD software. The latter… (More)

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