A 24–28-GHz GaN MMIC synchronous Doherty power amplifier with enhanced load modulation for 5G mm-wave applications

RJ Liu, XW Zhu, J **a, ZM Zhao, Q Dong… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
In this article, a load-modulation enhanced wideband compact high-efficiency millimeter-
wave (mm-wave) gallium nitride (GaN) monolithic microwave integrated circuit (MMIC) …

A highly linear GaN MMIC Doherty power amplifier based on phase mismatch induced AM–PM compensation

G Lv, W Chen, Y Zhang, N Chen… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
This article presents a highly linear Doherty power amplifier (DPA) based on phase
mismatch. When output phase mismatch (OPM) is introduced, ie, the phase shift of the …

A linearity-improved 24–29-GHz GaN MMIC Doherty power amplifier with reconfigurable self-adaptive peaking gate bias network

R Liu, L Qi, A Zhu - IEEE Transactions on Microwave Theory …, 2024 - ieeexplore.ieee.org
In this article, a linearity-improved millimeter-wave (mm-wave) gallium nitride (GaN)
monolithic microwave integrated circuit (MMIC) Doherty power amplifier (DPA) is presented …

A fully integrated 47.6% fractional bandwidth GaN MMIC distributed efficient power amplifier with modified input matching and power splitting network

G Lv, W Chen, X Chen… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This article presents a fully integrated distributed efficient power amplifier (DEPA) for fifth-
generation (5G) massive multiple-input multiple-output (MIMO) applications. In conventional …

The impact of long-term memory effects on the linearizability of GaN HEMT-based power amplifiers

JL Gomes, LC Nunes, FM Barradas… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
This article presents how the emission time constant of deep-level traps is responsible for
the achievable linearity (linearizability) degradation of gallium nitride high electron mobility …

[HTML][HTML] The state of the art in beyond 5G distributed massive multiple-input multiple-output communication system solutions

E Meyer, D Kruglov, M Krivic, M Tanveer… - Open Research …, 2022 - ncbi.nlm.nih.gov
Beyond fifth generation (5G) communication systems aim towards data rates in the tera bits
per second range, with improved and flexible coverage options, introducing many new …

Theory and design methodology for reverse-modulated dual-branch power amplifiers applied to a 4G/5G broadband GaN MMIC PA design

Y Zhao, X Li, C Gai, C Liu, T Qi, B Hu… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
This article presents a generalized theory and new design methodology for reverse-load-
modulated dual-branch (RMDB) power amplifiers (PAs), which uses a current-biased …

Automatic optimization of input split and bias voltage in digitally controlled dual-input Doherty RF PAs

M Mengozzi, GP Gibiino, AM Angelotti, A Santarelli… - Energies, 2022 - mdpi.com
Digitally controlled Dual-Input Doherty Power Amplifiers (DIDPAs) are becoming
increasingly popular due to the flexible input signal splitting between the main and auxiliary …

Systematic design methodology of broadband Doherty amplifier using unified matching/combining networks with an application to GaN MMIC design

AME Abounemra, W Chen, F Huang, M Maktoomi… - IEEE …, 2020 - ieeexplore.ieee.org
This paper presents a new design methodology for broadband Doherty architecture using
the three-port input and output networks technique. The proposed topology was developed …

Analysis and design of outphasing transmitter using class-E power amplifiers with shunt capacitances and shunt filters

P Afanasyev, A Grebennikov, R Farrell, J Dooley - IEEE Access, 2020 - ieeexplore.ieee.org
In this paper, a novel outphasing power amplifier (PA) based on class-E amplifiers with
shunt capacitances and shunt filters is proposed. The new design provides high drain …