Basic Properties Of Iii V Devices Understanding Mysterious Trapping Phenomena
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Basic Properties Of Iii V Devices Understanding Mysterious Trapping Phenomena
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Author : Kompa, Günter
language : en
Publisher: kassel university press GmbH
Release Date : 2014
Basic Properties Of Iii V Devices Understanding Mysterious Trapping Phenomena written by Kompa, Günter and has been published by kassel university press GmbH this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with Compound semiconductors categories.
Trapping effects in III-V devices pose a great challenge to any microwave device modeler. Understanding their physical origins is of prime importance to create physics-related reliable device models. The treatment of trapping phenomena is commonly beyond the classical higher-education level of communication engineers. This book provides any basic material needed to understand trapping effects occurring primarily in GaAs and GaN power HEMT devices. As the text material covers interdisciplinary topics such as crystal defects and localized charges, trap centers and trap dynamics, deep-level transient spectroscopy, and trap centers in passivation layers, the book will be of interest to graduate students of electrical engineering, communication engineering, and physics as well as materials, device, and circuit engineers in research and industry.
Parameter Extraction And Complex Nonlinear Transistor Models
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Author : Gunter Kompa
language : en
Publisher: Artech House
Release Date : 2019-12-31
Parameter Extraction And Complex Nonlinear Transistor Models written by Gunter Kompa and has been published by Artech House this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-12-31 with Technology & Engineering categories.
All model parameters are fundamentally coupled together, so that directly measured individual parameters, although widely used and accepted, may initially only serve as good estimates. This comprehensive resource presents all aspects concerning the modeling of semiconductor field-effect device parameters based on gallium-arsenide (GaAs) and gallium nitride (GaN) technology. Metal-semiconductor field-effect transistors (MESFETs), high electron mobility transistors (HEMTs) and heterojunction bipolar transistors (HBTs), their structures and functions, and existing transistor models are also classified. The Shockley model is presented in order to give insight into semiconductor field-effect transistor (FET) device physics and explain the relationship between geometric and material parameters and device performance. Extraction of trapping and thermal time constants is discussed. A special section is devoted to standard nonlinear FET models applied to large-signal measurements, including static-/pulsed-DC and single-/two-tone stimulation. High power measurement setups for signal waveform measurement, wideband source-/load-pull measurement (including envelope source-/load pull) are also included, along with high-power intermodulation distortion (IMD) measurement setup (including envelope load-pull). Written by a world-renowned expert in the field, this book is the first to cover of all aspects of semiconductor FET device modeling in a single volume.
Advances In Data Mining Applications And Theoretical Aspects
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Author : Petra Perner
language : en
Publisher: Springer
Release Date : 2016-06-27
Advances In Data Mining Applications And Theoretical Aspects written by Petra Perner and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-06-27 with Computers categories.
This book constitutes the refereed proceedings of the 16th Industrial Conference on Advances in Data Mining, ICDM 2016, held in New York, NY, USA, in July 2016. The 33 revised full papers presented were carefully reviewed and selected from 100 submissions. The topics range from theoretical aspects of data mining to applications of data mining, such as in multimedia data, in marketing, in medicine, and in process control, industry, and society.
Advances In Microelectronics Reviews Vol 1
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Author : Sergey Yurish
language : en
Publisher: Lulu.com
Release Date : 2018-01-12
Advances In Microelectronics Reviews Vol 1 written by Sergey Yurish and has been published by Lulu.com this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-01-12 with Technology & Engineering categories.
The 1st volume of 'Advances in Microelectronics: Reviews' Book Series contains 19 chapters written by 72 authors from academia and industry from 16 countries. With unique combination of information in each volume, the 'Advances in Microelectronics: Reviews' Book Series will be of value for scientists and engineers in industry and at universities. In order to offer a fast and easy reading of the state of the art of each topic, every chapter in this book is independent and self-contained. All chapters have the same structure: first an introduction to specific topic under study; second particular field description including sensing applications. Each of chapter is ending by well selected list of references with books, journals, conference proceedings and web sites. This book ensures that readers will stay at the cutting edge of the field and get the right and effective start point and road map for the further researches and developments.
Partitioning Design Approach For The Reliable Design Of Highly Efficient Rf Power Amplifiers
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Author : Roshanak Lehna
language : en
Publisher: kassel university press GmbH
Release Date : 2017-11-13
Partitioning Design Approach For The Reliable Design Of Highly Efficient Rf Power Amplifiers written by Roshanak Lehna and has been published by kassel university press GmbH this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-11-13 with categories.
The modern wireless communication systems require modulated signals with wide modulation bandwidth. This, in turns, requires signals with very high dynamic range and peak-to-average power ratio (PAPR). This means that the amplifier in the base-station has to work at a power back-off as large as the dynamic range of the signal, so that the amplifier has a high linearity in this region. For the standard single-stage amplifiers, this large power back-off reduces the efficiency dramatically. In this work, a three-way Doherty power amplifier (DPA) aiming at high power efficiency within a dynamic range of 9.5 dB, is designed and fabricated using partitioning design approach. The partitioning design approach decomposes a complex design task into small-sized, well-controllable, and verifiable subcircuits. This advanced straight forward method has shown very promising results. Using this design approach, a three-way DPA has been designed to demonstrate the advantages of this reliable design technique as well. Based on the design of a single-stage power amplifier and proposing a novel output power combiner, a 6 W three-way DPA has been designed which allows the mandatory load modulation principle in three-way DPA structures to be realized with simpler elements, whereas the design of a standard Doherty combiner would have been very challenging and not practical due to the extremely small value of its characteristic line impedance. The proposed combiner is calculated for a three-way DPA with 2-mm AlGaN/GaN-HEMTs. The simulation result shows a very good load modulation for the amplifier, which confirms the theoretical expectation for a three-way DPA. The efficiency of the designed 6 W three-way DPA at large back-off shows very promising values compared to recently reported amplifiers. The measured IMD3 products confirm the good linearity of the amplifier as well. Accordingly, the proposed power combiner and the design strategy are recommended to be used as the preferred option for designing three-way DPA structures with very high output power.
Frontiers In Optics And Photonics
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Author : Federico Capasso
language : en
Publisher: Walter de Gruyter GmbH & Co KG
Release Date : 2021-06-08
Frontiers In Optics And Photonics written by Federico Capasso and has been published by Walter de Gruyter GmbH & Co KG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-06-08 with Technology & Engineering categories.
This book provides a cutting-edge research overview on the latest developments in the field of Optics and Photonics. All chapters are authored by the pioneers in their field and will cover the developments in Quantum Photonics, Optical properties of 2D Materials, Optical Sensors, Organic Opto-electronics, Nanophotonics, Metamaterials, Plasmonics, Quantum Cascade lasers, LEDs, Biophotonics and biomedical photonics and spectroscopy.
Nitride Semiconductors Volume 482
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Author : Materials Research Society. Meeting
language : en
Publisher:
Release Date : 1998-04-20
Nitride Semiconductors Volume 482 written by Materials Research Society. Meeting and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998-04-20 with Technology & Engineering categories.
This book is on recent experimental and theoretical progress in the rapidly growing field of III-V nitrides. Issues related to crystal growth (bulk and thin films), structure and microstructure, formation of defects, doping, alloying, formation of heterostructures, determination of physical properties and device fabrication and evaluation are addressed. Papers show much progress in the growth and understanding of III-V nitrides and in the production of optoelectronic devices based on these materials. Most exciting is the fact that light-emitting diodes and laser diodes have now reached amazing levels of performance which forecasts a revolution in lighting, optical storage, printing, and display technologies. Topics include: crystal growth- bulk growth, early stages of epitaxy; crystal growth- MOCVD; growth techniques - MBE and HVPE; novel substrates and growth techniques; structural properties; electronic properties; luminescence and recombination; characterization, elemental and stress analysis; physical modelling; device processing, implantation, annealing; device characterization, contacts, degradation; and injection laser diodes and applications.
Fundamentals Of Silicon Carbide Technology
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Author : Tsunenobu Kimoto
language : en
Publisher: John Wiley & Sons
Release Date : 2014-11-24
Fundamentals Of Silicon Carbide Technology written by Tsunenobu Kimoto and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-11-24 with Technology & Engineering categories.
A comprehensive introduction and up-to-date reference to SiC power semiconductor devices covering topics from material properties to applications Based on a number of breakthroughs in SiC material science and fabrication technology in the 1980s and 1990s, the first SiC Schottky barrier diodes (SBDs) were released as commercial products in 2001. The SiC SBD market has grown significantly since that time, and SBDs are now used in a variety of power systems, particularly switch-mode power supplies and motor controls. SiC power MOSFETs entered commercial production in 2011, providing rugged, high-efficiency switches for high-frequency power systems. In this wide-ranging book, the authors draw on their considerable experience to present both an introduction to SiC materials, devices, and applications and an in-depth reference for scientists and engineers working in this fast-moving field. Fundamentals of Silicon Carbide Technology covers basic properties of SiC materials, processing technology, theory and analysis of practical devices, and an overview of the most important systems applications. Specifically included are: A complete discussion of SiC material properties, bulk crystal growth, epitaxial growth, device fabrication technology, and characterization techniques. Device physics and operating equations for Schottky diodes, pin diodes, JBS/MPS diodes, JFETs, MOSFETs, BJTs, IGBTs, and thyristors. A survey of power electronics applications, including switch-mode power supplies, motor drives, power converters for electric vehicles, and converters for renewable energy sources. Coverage of special applications, including microwave devices, high-temperature electronics, and rugged sensors. Fully illustrated throughout, the text is written by recognized experts with over 45 years of combined experience in SiC research and development. This book is intended for graduate students and researchers in crystal growth, material science, and semiconductor device technology. The book is also useful for design engineers, application engineers, and product managers in areas such as power supplies, converter and inverter design, electric vehicle technology, high-temperature electronics, sensors, and smart grid technology.
Gan And Zno Based Materials And Devices
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Author : Stephen Pearton
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-01-14
Gan And Zno Based Materials And Devices written by Stephen Pearton and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-01-14 with Technology & Engineering categories.
The AlInGaN and ZnO materials systems have proven to be one of the scientifically and technologically important areas of development over the past 15 years, with applications in UV/visible optoelectronics and in high-power/high-frequency microwave devices. The pace of advances in these areas has been remarkable and the wide band gap community relies on books like the one we are proposing to provide a review and summary of recent progress.
Bulletin Of The Atomic Scientists
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Author :
language : en
Publisher:
Release Date : 1961-05
Bulletin Of The Atomic Scientists written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961-05 with categories.
The Bulletin of the Atomic Scientists is the premier public resource on scientific and technological developments that impact global security. Founded by Manhattan Project Scientists, the Bulletin's iconic "Doomsday Clock" stimulates solutions for a safer world.