Recent decades have seen significant progresses in the field of power amplifiers (PAs). In
order to present the evolution of the field, this paper shows the development trends of the PA …

This paper presents the nonlinearity modeling of a 2.14-GHz gallium nitride Chireix
outphasing power amplifier (PA). The outphasing PA consists of two branches of class-F …

This work proposes a novel two-box dual-input single-output digital predistorter (labeled as
the LUT MISO predistorter) suitable for linearizing dynamic nonlinear envelope tracking …

Power amplifiers (PAs) for mobile communication applications are required to fulfil stringent
requirements concerning linearity while keeping a high efficiency over a wide power range …

In the era of modern communication systems, to achieve optimal linearity of power amplifiers
without sacrificing energy efficiency has become more challenging especially in the case of …

In this work, we analyze the conduction and switching losses of a supply modulator for
envelope‐tracking techniques. In particular, the conduction and switching losses in the class …

A broadband fully-integrated class-A power amplifier (PA) is presented using derivative
superposition (DS), which delivers+ 18 dBm of saturated output power from 1 GHz to 6 GHz …

In this dissertation, power amplifier circuits and architectures are proposed that provide high
efficiency for spectral-efficient high peak-to-average power ratio signals that are being used …

This letter presents the optimized way to combine predistortion and envelope tracking to
improve at the same time the linearity and efficiency performances of an emitter. Applied to a …

The linearity and efficiency of a transmitting system is largely determined by its last stage
component: the Power Amplifier (PA). In the past century, engineers and scientists have …