A millimeter-wave three-way Doherty power amplifier for 5G NR OFDM

X Zhang, S Li, D Huang, T Chi - IEEE Journal of Solid-State …, 2023 - ieeexplore.ieee.org
This article presents a millimeter-wave (mmWave) three-way Doherty output network and its
silicon implementation at 38 GHz for 5G new radio (NR) orthogonal frequency-division …

A wideband energy-efficient multi-mode CMOS digital transmitter

M Beikmirza, Y Shen, LCN de Vreede… - IEEE Journal of Solid …, 2023 - ieeexplore.ieee.org
This article presents a wideband, energy-efficient digital transmitter (DTX) suitable for multi-
mode/multi-band wireless communication applications. It features various operation modes …

A CMOS wideband watt-level 4096-QAM digital power amplifier using reconfigurable power-combining transformer

B Yang, HJ Qian, T Wang, X Luo - IEEE Journal of Solid-State …, 2022 - ieeexplore.ieee.org
In this article, a wideband watt-level digital power amplifier (DPA) with high efficiency and
large dynamic range is presented in CMOS technology for wireless applications. To achieve …

OpenDPD: An open-source end-to-end learning & benchmarking framework for wideband power amplifier modeling and digital pre-distortion

Y Wu, GD Singh, M Beikmirza… - … on Circuits and …, 2024 - ieeexplore.ieee.org
With the rise in communication capacity, deep neural networks (DNN) for digital pre-
distortion (DPD) to correct non-linearity in wideband power amplifiers (PAs) have become …

The Efficiency and Power Utilization of Current-Scaling Digital Transmitters

DPN Mul, RJ Bootsman, M Beikmirza… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
The RF performance of current-scaling digital transmitters (DTX) with polar, unsigned
Cartesian, signed Cartesian, and multiphase architectures have been compared regarding …

The rise of the digital RFIC era: An overview of past and present digital RFIC advancements

R Levinger, E Shumaker, R Banin… - IEEE Microwave …, 2022 - ieeexplore.ieee.org
It has been a mere 130 years since the first widely known wireless telegraphy apparatus
was demonstrated by Guglielmo Marconi, transmitting radio signals to a distance of about …

High-power digital transmitters for wireless infrastructure applications (a feasibility study)

RJ Bootsman, DPN Mul, Y Shen… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
Fully digital transmitters (DTXs) have the potential of replacing analog-intensive transmitter
(TX) line-ups in future massive multiple-input and multiple-output (mMIMO) systems since …

A Millimeter-Wave Four-Way Doherty Power Amplifier With Over-GHz Modulation Bandwidth

X Zhang, H Guo, T Chi - IEEE Journal of Solid-State Circuits, 2024 - ieeexplore.ieee.org
This article presents the design and analysis of a millimeter-wave (mmWave) four-way
Doherty power amplifier (PA), aiming to enhance the PA energy efficiency when amplifying …

A 26GHz balun-first three-way Doherty PA in 40nm CMOS with 20.7 dBm Psat and 20dB power gain

AK Kumaran, M Pashaeifar, HM Nemati… - 2023 IEEE Radio …, 2023 - ieeexplore.ieee.org
This paper presents a 40nm CMOS mm-wave 3-way Doherty power amplifier (PA) suitable
for 5G mm-wave transmitters. It features a bandwidth-enhanced technique using a compact …

A Predistortion-Less Digital MIMO Transmitter With DTC-Based Quadrature Imbalance Compensation

J Zanen, E Klumperink, B Nauta - IEEE journal of solid-state …, 2023 - ieeexplore.ieee.org
A four-element multi-input multi-output (MIMO) switched capacitor power amplifier (SCPA) in
22-nm fully depleted silicon-on-insulator (FD-SOI) is presented as a software-defined radio …