Analysis and Simulations of Digital Pre-distortion for RF Power Amplifiers PDF Download
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Author: Ondrej Suchy
Publisher:
ISBN:
Category : Amplifiers, Radio frequency
Languages : en
Pages : 98
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Book Description
Author: Ondrej Suchy
Publisher:
ISBN:
Category : Amplifiers, Radio frequency
Languages : en
Pages : 98
Get Book Here
Book Description
Author:
Publisher: Sami HADIJI
ISBN:
Category : Science
Languages : fr
Pages : 45
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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.
Author: Joel Vuolevi
Publisher: Artech House
ISBN: 9781580536295
Category : Technology & Engineering
Languages : en
Pages : 280
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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.
Author: Arvind Raghavan
Publisher: John Wiley & Sons
ISBN: 9780470228302
Category : Technology & Engineering
Languages : en
Pages : 224
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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.
Author: Anna N. Rudiakova
Publisher: Springer Science & Business Media
ISBN: 1402046391
Category : Technology & Engineering
Languages : en
Pages : 140
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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.
Author: Paulo Augusto Dal Fabbro
Publisher: Springer Science & Business Media
ISBN: 9048193613
Category : Technology & Engineering
Languages : en
Pages : 171
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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.
Author: S. Skelboe
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Hugo Ivan Durney Wasaff
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: Vitaliy Zhurbenko
Publisher: IntechOpen
ISBN: 9789533070872
Category : Technology & Engineering
Languages : en
Pages : 500
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Book Description
This book is based on recent research work conducted by the authors dealing with the design and development of active and passive microwave components, integrated circuits and systems. It is divided into seven parts. In the first part comprising the first two chapters, alternative concepts and equations for multiport network analysis and characterization are provided. A thru-only de-embedding technique for accurate on-wafer characterization is introduced. The second part of the book corresponds to the analysis and design of ultra-wideband low- noise amplifiers (LNA).
Author: Ron Mancini
Publisher: Newnes
ISBN: 0750677015
Category : Technology & Engineering
Languages : en
Pages : 470
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Book Description
The operational amplifier ("op amp") is the most versatile and widely used type of analog IC, used in audio and voltage amplifiers, signal conditioners, signal converters, oscillators, and analog computing systems. Almost every electronic device uses at least one op amp. This book is Texas Instruments' complete professional-level tutorial and reference to operational amplifier theory and applications. Among the topics covered are basic op amp physics (including reviews of current and voltage division, Thevenin's theorem, and transistor models), idealized op amp operation and configuration, feedback theory and methods, single and dual supply operation, understanding op amp parameters, minimizing noise in op amp circuits, and practical applications such as instrumentation amplifiers, signal conditioning, oscillators, active filters, load and level conversions, and analog computing. There is also extensive coverage of circuit construction techniques, including circuit board design, grounding, input and output isolation, using decoupling capacitors, and frequency characteristics of passive components. The material in this book is applicable to all op amp ICs from all manufacturers, not just TI. Unlike textbook treatments of op amp theory that tend to focus on idealized op amp models and configuration, this title uses idealized models only when necessary to explain op amp theory. The bulk of this book is on real-world op amps and their applications; considerations such as thermal effects, circuit noise, circuit buffering, selection of appropriate op amps for a given application, and unexpected effects in passive components are all discussed in detail. *Published in conjunction with Texas Instruments *A single volume, professional-level guide to op amp theory and applications *Covers circuit board layout techniques for manufacturing op amp circuits.
