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Distortion in RF Power Amplifiers

Distortion in RF Power Amplifiers PDF Author: Joel Vuolevi
Publisher: Artech House
ISBN: 9781580536295
Category : Technology & Engineering
Languages : en
Pages : 280

Book Description
Here is a thorough treatment of distortion in RF power amplifiers. This unique resource offers expert guidance in designing easily linearizable systems that have low memory effects. It offers you a detailed understanding of how the matching impedances of a power amplifier and other RF circuits can be tuned to minimize overall distortion. What's more, you see how to build models that can be used for distortion simulations.

Distortion in RF Power Amplifiers

Distortion in RF Power Amplifiers PDF Author: Joel Vuolevi
Publisher: Artech House
ISBN: 9781580536295
Category : Technology & Engineering
Languages : en
Pages : 280

Book Description
Here is a thorough treatment of distortion in RF power amplifiers. This unique resource offers expert guidance in designing easily linearizable systems that have low memory effects. It offers you a detailed understanding of how the matching impedances of a power amplifier and other RF circuits can be tuned to minimize overall distortion. What's more, you see how to build models that can be used for distortion simulations.

Analysis and Simulations of Digital Pre-distortion for RF Power Amplifiers

Analysis and Simulations of Digital Pre-distortion for RF Power Amplifiers PDF Author: Ondrej Suchy
Publisher:
ISBN:
Category : Amplifiers, Radio frequency
Languages : en
Pages : 98

Book Description


Pré-distosion des amplificateurs RF

Pré-distosion des amplificateurs RF PDF Author:
Publisher: Sami HADIJI
ISBN:
Category : Science
Languages : fr
Pages : 45

Book Description
© 2013 - Sami HADIJI - Ingénierie des systèmes électroniques http://sami.hadiji.free.fr | [email protected] Dans une chaine d’émission radio, l'amplificateur de puissance est un élément critique et déterminant pour le bilan global de consommation d’énergie ainsi que pour les distorsions des signaux. Pour optimiser leur rendement énergétique, les amplificateurs RF sont souvent utilisés aux limites de leurs zones de linéarité. Ce fonctionnement non-linéaire génère des effets indésirables qui pourraient dégrader le signal transmis. Afin de corriger les non-linéarités des amplificateurs RF, il existe plusieurs techniques de linéarisation. Celle qui sera traitée dans ce mémoire est la linéarisation par pré-distorsion. Le premier chapitre rappelle les principales caractéristiques qui spécifient l'amplificateur de puissance. Le deuxième chapitre présente les différents effets de la non-linéarité des amplificateurs RF ainsi que les paramètres qui permettent de l'évaluer. Le troisième chapitre fait un panorama sur les différentes techniques de linéarisation utilisées et explique le concept de la pré-distorsion. Le dernier chapitre présente la mise en œuvre d'une pré-distorsion numérique polynomiale en bande de base pour un amplificateur RF CREE CGH40010 (10W). Les performances de cette pré-distorsion seront illustrées par des résultats expérimentaux. Pour conclure, nous ferons le bilan des performances obtenues par la pré-distorsion numérique en bande de base.

RF Power Amplifiers

RF Power Amplifiers PDF Author: Marian K. Kazimierczuk
Publisher: John Wiley & Sons
ISBN: 0470699507
Category : Technology & Engineering
Languages : en
Pages : 429

Book Description
An advanced textbook covering the fundamental theory of RF power amplifiers and their uses, this book provides essential guidance for design procedures. The introduction explains the basic theory of RF power amplifiers besides providing the basic classification of the different types of RF power amplifier. It then systematically dedicates a chapter to each different of RF power amplifier covering A, B and C, D (full-bridge and half-bridge types), E (zero-voltage-switching and zero-current-switching), F and DE amplifiers. Throughout this comprehensive guide, the optimal operating conditions are explored and the possible causes for suboptimum operation explained. The book then considers integrated inductors and linearization techniques and LC Oscillators in the concluding chapters. A comprehensive text covering the fundamentals of RF power amplifiers and their range of applications in radio and TV broadcasting, wireless communications and radars. Presents accessible coverage of the complex principles of operation of RF power amplifiers and radio power systems. Introduces the fundamental design techniques and procedures for practitioners for RF power amplifiers. All chapters contain examples and design procedures throughout, with review questions and problems at the end of each chapter. A solutions manual is available for instructors upon enquiry

Modeling and Design Techniques for RF Power Amplifiers

Modeling and Design Techniques for RF Power Amplifiers PDF Author: Arvind Raghavan
Publisher: John Wiley & Sons
ISBN: 9780470228302
Category : Technology & Engineering
Languages : en
Pages : 224

Book Description
Achieve higher levels of performance, integration, compactness, and cost-effectiveness in the design and modeling of radio-frequency (RF) power amplifiers RF power amplifiers are important components of any wireless transmitter, but are often the limiting factors in achieving better performance and lower cost in a wireless communication system—presenting the RF IC design community with many challenges. The next-generation technological advances presented in this book are the result of cutting-edge research in the area of large-signal device modeling and RF power amplifier design at the Georgia Institute of Technology, and have the potential to significantly address issues of performance and cost-effectiveness in this area. Richly complemented with hundreds of figures and equations, Modeling and Design Techniques for RF Power Amplifiers introduces and explores the most important topics related to RF power amplifier design under one concise cover. With a focus on efficiency enhancement techniques and the latest advances in the field, coverage includes: Device modeling for CAD Empirical modeling of bipolar devices Scalable modeling of RF MOSFETs Power amplifier IC design Power amplifier design in silicon Efficiency enhancement of RF power amplifiers The description of state-of-the-art techniques makes this book a valuable and handy reference for practicing engineers and researchers, while the breadth of coverage makes it an ideal text for graduate- and advanced undergraduate-level courses in the area of RF power amplifier design and modeling.

Advanced Design Techniques for RF Power Amplifiers

Advanced Design Techniques for RF Power Amplifiers PDF Author: Anna N. Rudiakova
Publisher: Springer Science & Business Media
ISBN: 1402046391
Category : Technology & Engineering
Languages : en
Pages : 140

Book Description
Advanced Design Techniques for RF Power Amplifiers provides a deep analysis of theoretical aspects, modelling, and design strategies of RF high-efficiency power amplifiers. The book can be used as a guide by scientists and engineers dealing with the subject and as a text book for graduate and postgraduate students. Although primarily intended for skilled readers, it provides an excellent quick start for beginners.

Linear CMOS RF Power Amplifiers for Wireless Applications

Linear CMOS RF Power Amplifiers for Wireless Applications PDF Author: Paulo Augusto Dal Fabbro
Publisher: Springer Science & Business Media
ISBN: 9048193613
Category : Technology & Engineering
Languages : en
Pages : 171

Book Description
Advances in electronics have pushed mankind to create devices, ranging from - credible gadgets to medical equipment to spacecraft instruments. More than that, modern society is getting used to—if not dependent on—the comfort, solutions, and astonishing amount of information brought by these devices. One ?eld that has continuously bene?tted from those advances is the radio frequency integrated c- cuit (RFIC) design, which in its turn has promoted countless bene?ts to the mankind as a payback. Wireless communications is one prominent example of what the - vances in electronics have enabled and their consequences to our daily life. How could anyone back in the eighties think of the possibilities opened by the wireless local area networks (WLANs) that can be found today in a host of places, such as public libraries, coffee shops, trains, to name just a few? How can a youngster, who lives this true WLAN experience nowadays, imagine a world without it? This book dealswith the design oflinearCMOS RF PowerAmpli?ers(PAs). The RF PA is a very important part of the RF transceiver, the device that enables wireless communications. Two important aspects that are key to keep the advances in RF PA design at an accelerate pace are treated: ef?ciency enhancement and frequen- tunable capability. For this purpose, the design of two different integrated circuits realizedina0. 11μmtechnologyispresented,eachoneaddressingadifferentaspect. With respect to ef?ciency enhancement, the design of a dynamic supply RF power ampli?er is treated, making up the material of Chaps. 2 to 4.

Introduction to RF Power Amplifier Design and Simulation

Introduction to RF Power Amplifier Design and Simulation PDF Author: Abdullah Eroglu
Publisher: CRC Press
ISBN: 1482231654
Category : Technology & Engineering
Languages : en
Pages : 449

Book Description
Introduction to RF Power Amplifier Design and Simulation fills a gap in the existing literature by providing step-by-step guidance for the design of radio frequency (RF) power amplifiers, from analytical formulation to simulation, implementation, and measurement. Featuring numerous illustrations and examples of real-world engineering applications, this book: Gives an overview of intermodulation and elaborates on the difference between linear and nonlinear amplifiers Describes the high-frequency model and transient characteristics of metal–oxide–semiconductor field-effect transistors Details active device modeling techniques for transistors and parasitic extraction methods for active devices Explores network and scattering parameters, resonators, matching networks, and tools such as the Smith chart Covers power-sensing devices including four-port directional couplers and new types of reflectometers Presents RF filter designs for power amplifiers as well as application examples of special filter types Demonstrates the use of computer-aided design (CAD) tools, implementing systematic design techniques Blending theory with practice, Introduction to RF Power Amplifier Design and Simulation supplies engineers, researchers, and RF/microwave engineering students with a valuable resource for the creation of efficient, better-performing, low-profile, high-power RF amplifiers.

Advanced Techniques in RF Power Amplifier Design

Advanced Techniques in RF Power Amplifier Design PDF Author: Steve C. Cripps
Publisher: Artech House
ISBN: 1580532829
Category : Technology & Engineering
Languages : en
Pages : 340

Book Description
This much-anticipated volume builds on the author's popular work, RF Power Amplifiers for Wireless Communications (Artech House, 1999), offering you a more in-depth understanding of the theory and design of RF power amplifiers. An invaluable reference tool for RF, digital and system level designers, the book enables you to efficiently design linear RF power amplifiers , and includes detailed discussions on envelope power management schemes and linearization techniques.

RF Power Amplifiers

RF Power Amplifiers PDF Author: Mihai Albulet
Publisher: SciTech Publishing
ISBN: 1884932126
Category : Technology & Engineering
Languages : en
Pages : 376

Book Description
The book reviews developments in the following fields: RF power amplifiers, modulators and power transistors