Modeling Of Algan Gan High Electron Mobility Transistors
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Modeling of AlGaN/GaN High Electron Mobility Transistors
This volume focuses on GaN HEMT, the most promising transistor technology for RF power applications such as 5G communications, space and defense. The contents include accurate small signal models required to predict the RF power performance of RF electronic circuits, large signal modeling of GaN HEMTs, accurate and compact physical models to assist the RF circuit designers to optimize GaN HEMT-based power amplifiers and integrated circuits, among others. The book also covers thermal resistance modeling of GaN HEMTs, charge-based compact models, and surface potential-based models to study the impact of gate leakage current on the RF power performance of GaN HEMTs. This book also deals with the analytical modeling of intrinsic charges and surface potential of GaN HEMTs, physical modeling of charge trapping, neural network-based GaN HEMT models, numerical-based GaN HEMT models, modeling of short channel effects in GaN HEMTs, modeling of parasitic capacitances and resistances, modelingof current collapse and kink effects in HGaN HEMTs, etc. This volume will be a useful to those in industry and academia.
Handbook for III-V High Electron Mobility Transistor Technologies
This book focusses on III-V high electron mobility transistors (HEMTs) including basic physics, material used, fabrications details, modeling, simulation, and other important aspects. It initiates by describing principle of operation, material systems and material technologies followed by description of the structure, I-V characteristics, modeling of DC and RF parameters of AlGaN/GaN HEMTs. The book also provides information about source/drain engineering, gate engineering and channel engineering techniques used to improve the DC-RF and breakdown performance of HEMTs. Finally, the book also highlights the importance of metal oxide semiconductor high electron mobility transistors (MOS-HEMT). Key Features Combines III-As/P/N HEMTs with reliability and current status in single volume Includes AC/DC modelling and (sub)millimeter wave devices with reliability analysis Covers all theoretical and experimental aspects of HEMTs Discusses AlGaN/GaN transistors Presents DC, RF and breakdown characteristics of HEMTs on various material systems using graphs and plots
DEVICE MODELING OF AlGaN/GaN HIGH ELECTRON MOBILITY TRANSISTORS (HEMTs)
Author: Manju Korwal Chattopadhyay
language: en
Publisher: LAP Lambert Academic Publishing
Release Date: 2010-10
High electron mobility transistor (HEMT) made of compound semiconductors exhibit great potential for high-power applications at RF, microwave, and millimeter-wave frequencies. Owing largely to a high electrical breakdown field, electron sheet charge density, and substrate material with high thermal conductivity, these are capable of handling larger power density signals at high temperatures in unfriendly environments. The present work involves the analytical modeling of AlGaN/GaN material system based HEMTs. A polynomial represents Fermi-level as a non-linear function of sheet carrier density at the interface of HEMTs. Using this polynomial, models for finding the temperature dependent gate capacitance, parasitic MESFET dependent transconductance and dc characteristics including self-heating effects were formulated. The effects of spontaneous and piezoelectric polarization fields, have been investigated in detail. All results show reasonable agreement with the experimental data. Our analytical simulation should be useful in device designing, allowing interactive optimization of device configuration and economically complementing experimental investigations.