In this paper, the novel architecture of a dual-input and digitally driven Doherty amplifier is
proposed with the aim of improving the performance of gallium-nitride (GaN) Doherty …

A 90-W peak-power 2.14-GHz improved GaN outphasing amplifier with 50.5% average
efficiency for wideband code division multiple access (W-CDMA) signals is presented …

In this paper, a digital Doherty power amplifier (PA) with improved efficiency performance
over a wide power range is proposed. The efficiency enhancement is achieved by using a …

A novel topology based on linear power amplifiers (PAs) and real-time sinusoidal voltage-
adjustment power supply systems (RTSPSs) for a permanent magnet synchronous motor …

This paper briefly presents software defined radio (SDR) concept and layouts an overview of
the actual state-of-the-art solution for power amplification systems and software enabled …

In this article, an analysis of LINC PA efficiency and linearity is observed. The use of two
highly efficient PAs operated with constant envelope signals in the LINC transmitter does not …

This paper analyzes the power losses in distributed multiharmonic matching networks and
proposes a methodology to minimize these losses, which are critical in designing harmonic …

This article investigates the feasibility of combinerless multilevel outphasing transmitter as a
potential architecture for large millimeter-wave (mmWave) phased arrays. We consider two …

BACKGROUND A major consideration in the design of transmitters for wireless devices is
the efficiency of the power amplifiers and related circuitry. High efficiency is especially …

This paper presents a development of a wideband delta-sigma modulator for fully digital
GHz transmitters. The fully digital RF transmitter is developed as a promising solution for …