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 …

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 …

Generalized Theory and Design Methodology of Broadband Outphasing Power Amplifiers Employing Low-Order Bandpass Networks

W Wang, S Chen, Y Tang, J Cai… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
In this article, a general theory and associated design methodology for outphasing power
amplifier (OPA) is proposed. The design theory leads to the conclusion that, compared to …

Comprehensive Investigation of ANN Algorithms Implemented in MATLAB, Python and R for Small-Signal Behavioral Modeling of GaN HEMTs

S Husain, B Kadirbay, A Jarndal… - IEEE Journal of the …, 2023 - ieeexplore.ieee.org
Artificial Neural Network (ANN) is frequently utilized for the development of behavioral
models of Gallium Nitride (GaN) High Electron Mobility Transistors (HEMTs). However …

Efficiency Enhancement Technique for Outphasing Amplifier With Extended Power Back-Off Range

W Wang, S Chen, Y Tang, J Cai… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The article proposes a modified series compensation (MSC) outphasing power amplifier
(OPA) that maximizes saturation output power and extends power back-off range. The …

GA Assisted ANN based GaN HEMT Model Development and Demonstration of its CAD Incorporation for Class-F Power Amplifier

S Husain, G Nauryzbayev… - 2023 7th IEEE Electron …, 2023 - ieeexplore.ieee.org
Gallium nitride (GaN) high electron mobility transistors (HEMTs) are quintessential prospect
for the design of state-of-the-art power amplifiers (PAs). Within this context, this paper …

Isothermal Characterization of Traps in GaN HEMTs Operating in Class B Using a Real-Time Pulsed-RF NVNA Testbed

M Lindquist, P Roblin, D Mikrut… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
This article presents a real-time nonlinear vector network analyzer (NVNA) testbed that
enables the acquisition of the isothermal transient response of GaN HEMTs operating in …

Behavioral-level modelling of GaN HEMT large signal based on Pelican-Gaussian process regression algorithm

H Cai, J Zhang, S Wang, M Liu, J Zhang - Microelectronics Journal, 2024 - Elsevier
In this paper, a novel technology named Pelican-Gaussian process regression machine
learning algorithm is proposed for modelling the large-signal characteristics of Gallium …

Development and Assessment of ML Based GaN HEMTs Small-Signal Modelling Techniques

K Khan, S Husain, A Jarndal… - … on Microelectronics (ICM …, 2024 - ieeexplore.ieee.org
This paper develops and assesses multiple optimized Machine Learning (ML) based
techniques to discover the appropriateness of them in modelling small-signal behaviors of …