Physics‐based compact models of GaN HEMTs for high power RF applications: A review

S Mao, X Su, Q Wu, Y Wang, X Duan… - … Journal of Numerical …, 2024 - Wiley Online Library
The compact model plays a pivotal role as a critical link between device fabrication and
circuit design. While conventional compact model theories and techniques are generally …

ANN-based large-signal model of AlGaN/GaN HEMTs with accurate buffer-related trapping effects characterization

X Du, M Helaoui, A Jarndal, T Liu, B Hu… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
In this article, an artificial neural network (ANN)-based large-signal model (LSM) of
AlGaN/GaN high electron mobility transistors (HEMTs) with accurate buffer-related trapping …

Comprehensive investigation and comparative analysis of machine learning-based small-signal modelling techniques for GaN HEMTs

S Husain, M Hashmi… - IEEE Journal of the …, 2022 - ieeexplore.ieee.org
A number of machine learning (ML) algorithm based small signal modeling of Gallium
Nitride (GaN) High Electron Mobility Transistors (HEMTs) have been reported in literature …

A generic and efficient globalized kernel mapping-based small-signal behavioral modeling for GaN HEMT

A Khusro, S Husain, MS Hashmi, AQ Ansari… - IEEE …, 2020 - ieeexplore.ieee.org
The work reported in this article explores a novel Particle Swarm Optimization (PSO) tuned
Support Vector Regression (SVR) based technique to develop the small-signal behavioral …

Trapping dynamics in GaN HEMTs for millimeter-wave applications: Measurement-based characterization and technology comparison

AM Angelotti, GP Gibiino, C Florian, A Santarelli - Electronics, 2021 - mdpi.com
Charge trapping effects represent a major challenge in the performance evaluation and the
measurement-based compact modeling of modern short-gate-length (ie,≤ 0.15 μm) Gallium …

An evolutionary multilayer perceptron-based large-signal model of GaN HEMTs including self-heating and trapping effects

W Hu, YX Guo - IEEE Transactions on Microwave Theory and …, 2021 - ieeexplore.ieee.org
Neural networks are widely used to build large-signal models; an appropriate network
architecture is important for high model accuracy and good generalization ability. In this …

Experimental characterization of charge trapping dynamics in 100-nm AlN/GaN/AlGaN-on-Si HEMTs by wideband transient measurements

AM Angelotti, GP Gibiino, A Santarelli… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This article deals with the characterization of charge trapping dynamics in a novel 100-nm
double-heterojunction AlN/GaN/AlGaN-on-Si radio frequency (RF) HEMT process. In order …

Accurate, Efficient and Reliable Small-Signal Modelling Approaches for GaN HEMTs

S Husain, A Jarndal, M Hashmi, FM Ghannouchi - IEEE Access, 2023 - ieeexplore.ieee.org
This article presents accurate, efficient and reliable small-signal model parameter extraction
approaches applied to Gallium Nitride (GaN) High Electron Mobility Transistor (HEMT) …

Comparative analysis of nonlinear behavioral models for GaN HEMTs based on machine learning techniques

B Liu, J Cai - International Journal of Numerical Modelling …, 2024 - Wiley Online Library
A variety of novel behavioral modeling techniques have been reported to accurately capture
the nonlinear characteristics of GaN devices. For the purpose of describing GaN HEMT large …

Automatic extraction of measurement-based large-signal FET models by nonlinear function sampling

TM Martín-Guerrero, A Santarelli… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
A new method is proposed for the accurate experimental characterization and fully
automated extraction of compact nonlinear models for field-effect transistors (FETs). The …