Feedback Linearization of RF Power Amplifiers

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Author :
Publisher : Springer Science & Business Media
ISBN 13 : 140208062X
Total Pages : 144 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Feedback Linearization of RF Power Amplifiers by : J.L. Dawson

Download or read book Feedback Linearization of RF Power Amplifiers written by J.L. Dawson and published by Springer Science & Business Media. This book was released on 2007-05-08 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: Improving the performance of the power amplifier is the most pressing problem facing designers of modern radio-frequency (RF) transceivers. Linearity and power efficiency of the transmit path are of utmost importance, and the power amplifier has proven to be the bottleneck for both. High linearity enables transmission at the highest data rates for a given channel bandwidth, and power efficiency prolongs battery lifetime in portable units and reduces heat dissipation in high-power transmitters. Cartesian feedback is a power amplifier linearization technique that acts to soften the tradeoff between power efficiency and linearity in power amplifiers. Despite its compelling, fundamental advantages, the technique has not enjoyed widespread acceptance because of certain implementation difficulties. Feedback Linearization of RF Power Amplifiers introduces new techniques for overcoming the challenges faced by the designer of a Cartesian feedback system. The theory of the new techniques are described and analyzed in detail. The book culminates with the results of the first known fully integrated Cartesian feedback power amplifier system, whose design was enabled by the techniques described. Feedback Linearization of RF Power Amplifiers is a valuable reference work for engineers in the telecommunications industry, industry researchers, academic researchers.

Feedback Linearization of RF Power Amplifiers

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Author :
Publisher : Springer Science & Business Media
ISBN 13 : 1402080611
Total Pages : 144 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Feedback Linearization of RF Power Amplifiers by : J.L. Dawson

Download or read book Feedback Linearization of RF Power Amplifiers written by J.L. Dawson and published by Springer Science & Business Media. This book was released on 2004-06-08 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: Improving the performance of the power amplifier is the most pressing problem facing designers of modern radio-frequency (RF) transceivers. Linearity and power efficiency of the transmit path are of utmost importance, and the power amplifier has proven to be the bottleneck for both. High linearity enables transmission at the highest data rates for a given channel bandwidth, and power efficiency prolongs battery lifetime in portable units and reduces heat dissipation in high-power transmitters. Cartesian feedback is a power amplifier linearization technique that acts to soften the tradeoff between power efficiency and linearity in power amplifiers. Despite its compelling, fundamental advantages, the technique has not enjoyed widespread acceptance because of certain implementation difficulties. Feedback Linearization of RF Power Amplifiers introduces new techniques for overcoming the challenges faced by the designer of a Cartesian feedback system. The theory of the new techniques are described and analyzed in detail. The book culminates with the results of the first known fully integrated Cartesian feedback power amplifier system, whose design was enabled by the techniques described. Feedback Linearization of RF Power Amplifiers is a valuable reference work for engineers in the telecommunications industry, industry researchers, academic researchers.

Linearization and Efficiency Enhancement Techniques for Silicon Power Amplifiers

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Author :
Publisher : Elsevier
ISBN 13 : 0124186815
Total Pages : 163 pages
Book Rating : 4.1/5 (241 download)

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Book Synopsis Linearization and Efficiency Enhancement Techniques for Silicon Power Amplifiers by : Eric Kerhervé

Download or read book Linearization and Efficiency Enhancement Techniques for Silicon Power Amplifiers written by Eric Kerhervé and published by Elsevier. This book was released on 2015-01-07 with total page 163 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an overview of current efficiency enhancement and linearization techniques for silicon power amplifier designs. It examines the latest state of the art technologies and design techniques to address challenges for RF cellular mobile, base stations, and RF and mmW WLAN applications. Coverage includes material on current silicon (CMOS, SiGe) RF and mmW power amplifier designs, focusing on advantages and disadvantages compared with traditional GaAs implementations. With this book you will learn: - The principles of linearization and efficiency improvement techniques - The architectures allowing the optimum design of multimode Si RF and mmW power amplifiers - How to make designs more efficient by employing new design techniques such as linearization and efficiency improvement - Layout considerations - Examples of schematic, layout, simulation and measurement results - Addresses the problems of high power generation, faithful construction of non-constant envelope constellations, and efficient and well control power radiation from integrated silicon chips - Demonstrates how silicon technology can solve problems and trade-offs of power amplifier design, including price, size, complexity and efficiency - Written and edited by the top contributors to the field

Distortion in RF Power Amplifiers

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Author :
Publisher : Artech House
ISBN 13 : 9781580536295
Total Pages : 280 pages
Book Rating : 4.5/5 (362 download)

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Book Synopsis Distortion in RF Power Amplifiers by : Joel Vuolevi

Download or read book Distortion in RF Power Amplifiers written by Joel Vuolevi and published by Artech House. This book was released on 2003 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Behavioral Modeling and Linearization of RF Power Amplifiers

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Author :
Publisher : Artech House
ISBN 13 : 1608071200
Total Pages : 379 pages
Book Rating : 4.6/5 (8 download)

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Book Synopsis Behavioral Modeling and Linearization of RF Power Amplifiers by : John Wood

Download or read book Behavioral Modeling and Linearization of RF Power Amplifiers written by John Wood and published by Artech House. This book was released on 2014-06-01 with total page 379 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wireless voice and data communications have made great improvements, with connectivity now virtually ubiquitous. Users are demanding essentially perfect transmission and reception of voice and data. The infrastructure that supports this wide connectivity and nearly error-free delivery of information is complex, costly, and continually being improved. This resource describes the mathematical methods and practical implementations of linearization techniques for RF power amplifiers for mobile communications. This includes a review of RF power amplifier design for high efficiency operation. Readers are also provided with mathematical approaches to modeling nonlinear dynamical systems, which can be applied in the context of modeling the PA for identification in a pre-distortion system. This book also describes typical approaches to linearization and digital pre-distortion that are used in practice.

Cartesian Feedback Control for MRI Transmitter Array Systems

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Author :
Publisher : Stanford University
ISBN 13 :
Total Pages : 161 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Cartesian Feedback Control for MRI Transmitter Array Systems by : Marta Gaia Zanchi

Download or read book Cartesian Feedback Control for MRI Transmitter Array Systems written by Marta Gaia Zanchi and published by Stanford University. This book was released on 2010 with total page 161 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accurate control of the radio-frequency (RF) electromagnetic fields in Magnetic Resonance Imaging (MRI) is necessary to ensure patient safety and provide high-quality diagnostic capabilities. Precise control is however becoming increasingly difficult to achieve, given the recent trends toward high fields and transmitter array systems. At high fields, imaging is performed in a frequency regime where the wavelength is on the order of, or smaller than, the dimensions of the human body. This leads to prominent wave behavior, non-uniform field patterns, and increased power deposition. Multi-element transmitter array systems with independent phase and amplitude control of their elements support methods that can mitigate these problems. However, in turn, they demand high fidelity RF reproduction and may lead to undesired electromagnetic interactions between elements of the arrays and with interventional devices. Frequency-offset Cartesian feedback can be used to address all of these issues. In combination with the use of polyphase error amplifiers (to implement a low-IF control bandwidth), Cartesian feedback can be used with MRI power amplifiers and transmit coils to increase the fidelity of RF reproduction, without the in-bandwidth DC-offsets and quadrature mismatches that may lead to imaging artifacts such as bright spots and ghosting. In addition, the control system, which includes autotuning circuitry for stability and vector multipliers circuitry for feedback manipulation, can be used to tune the series output impedance of these amplifiers, thereby reducing the likelihood of interactions between elements of transmit array systems. Furthermore, a miniaturized variation of the control system (called Active Cable Trap) can be used on guidewires to suppress undesired currents elicited by coupling with the RF fields of the transmit coils. In an era of rapid progress in high field MRI for clinical applications, the frequency offset Cartesian feedback method and system thus promises to address many of the challenges faced by designers of multi-element transmitter array systems.

Design of Linear RF Outphasing Power Amplifiers

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Author :
Publisher : Artech House
ISBN 13 : 9781580536127
Total Pages : 222 pages
Book Rating : 4.5/5 (361 download)

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Book Synopsis Design of Linear RF Outphasing Power Amplifiers by : Xuejun Zhang

Download or read book Design of Linear RF Outphasing Power Amplifiers written by Xuejun Zhang and published by Artech House. This book was released on 2003 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first book devoted exclusively to the outphasing power amplifier, covering the most recent research results on important aspects in practical design and applications. A compilation of all the proposed outphasing approaches, this is an important resource for engineers designing base station and mobile handset amplifiers, engineering managers and program managers supervising power amplifier designs, and R&D personnel in industry. The work enables you to: design microwave power amplifiers with higher efficiency and improved linearity at a lower cost; understand linearity and performance tradeoffs in microwave power amplifiers; and understand the effect of new modulation techniques on microwave power amplifiers.

Multi-Mode / Multi-Band RF Transceivers for Wireless Communications

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Author :
Publisher : John Wiley & Sons
ISBN 13 : 1118102207
Total Pages : 608 pages
Book Rating : 4.1/5 (181 download)

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Book Synopsis Multi-Mode / Multi-Band RF Transceivers for Wireless Communications by : Gernot Hueber

Download or read book Multi-Mode / Multi-Band RF Transceivers for Wireless Communications written by Gernot Hueber and published by John Wiley & Sons. This book was released on 2011-04-04 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summarizes cutting-edge physical layer technologies for multi-mode wireless RF transceivers. Includes original contributions from distinguished researchers and professionals. Covers cutting-edge physical layer technologies for multi-mode wireless RF transceivers. Contributors are all leading researchers and professionals in this field.

Bulletin of Electrical Engineering and Informatics

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Author :
Publisher : Universitas Ahmad Dahlan
ISBN 13 :
Total Pages : 88 pages
Book Rating : 4./5 ( download)

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Book Synopsis Bulletin of Electrical Engineering and Informatics by : Tole Sutikno

Download or read book Bulletin of Electrical Engineering and Informatics written by Tole Sutikno and published by Universitas Ahmad Dahlan. This book was released on with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bulletin of Electrical Engineering and Informatics is a peer-reviewed journal that publishes material on all aspects of electrical, electronics, instrumentation, control, telecommunication, computer engineering, information technology and informatics from the global world.

Distributed CMOS Bidirectional Amplifiers

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Author :
Publisher : Springer Science & Business Media
ISBN 13 : 1461402727
Total Pages : 158 pages
Book Rating : 4.4/5 (614 download)

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Book Synopsis Distributed CMOS Bidirectional Amplifiers by : Ziad El-Khatib

Download or read book Distributed CMOS Bidirectional Amplifiers written by Ziad El-Khatib and published by Springer Science & Business Media. This book was released on 2012-05-02 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes methods to design distributed amplifiers useful for performing circuit functions such as duplexing, paraphrase amplification, phase shifting power splitting and power combiner applications. A CMOS bidirectional distributed amplifier is presented that combines for the first time device-level with circuit-level linearization, suppressing the third-order intermodulation distortion. It is implemented in 0.13um RF CMOS technology for use in highly-linear, low-cost UWB Radio-over-Fiber communication systems.

Design and Control of RF Power Amplifiers

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Author :
Publisher : Springer Science & Business Media
ISBN 13 : 1475737548
Total Pages : 157 pages
Book Rating : 4.4/5 (757 download)

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Book Synopsis Design and Control of RF Power Amplifiers by : Alireza Shirvani

Download or read book Design and Control of RF Power Amplifiers written by Alireza Shirvani and published by Springer Science & Business Media. This book was released on 2013-04-18 with total page 157 pages. Available in PDF, EPUB and Kindle. Book excerpt: Design and Control of RF Power Amplifiers investigates various architectures and concepts for the design and control of radio-frequency (RF) power amplifiers. This book covers merits and challenges of integrating RF power amplifiers in various technologies, and introduces a number of RF power amplifier performance metrics. It provides a thorough review of various power amplifier topologies, followed by a description of approaches and architectures for the control and linearization of these amplifiers. A novel parallel amplifier architecture introduced in this book offers a breakthrough solution to enhancing efficiency in systems using power control. Design and Control of RF Power Amplifiers is a valuable resource for designers, researchers and students in the field of RF integrated circuit design. Detailed and thorough coverage of various concepts in RF power amplifier design makes this book an invaluable guide for both beginners and professionals.

Analog Circuit Design

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Author :
Publisher : Springer Science & Business Media
ISBN 13 : 1475729839
Total Pages : 410 pages
Book Rating : 4.4/5 (757 download)

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Book Synopsis Analog Circuit Design by : Johan Huijsing

Download or read book Analog Circuit Design written by Johan Huijsing and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume of Analog Circuit Design concentrates on three topics: Volt Electronics; Design and Implementation of Mixed-Mode Systems; Low-Noise and RF Power Amplifiers for Telecommunication. The book comprises six papers on each topic written by internationally recognised experts. These papers are tutorial in nature and together make a substantial contribution to improving the design of analog circuits. The book is divided into three parts: Part I, Volt Electronics, presents some of the circuit design challenges which are having to be met as the need for more electronics on a chip forces smaller transistor dimensions, and thus lower breakdown voltages. The papers cover techniques for 1-Volt electronics. Part II, Design and Implementation of Mixed-Mode Systems, deals with the various problems that are encountered in mixed analog-digital design. In the future, all integrated circuits are bound to contain both digital and analog sub-blocks. Problems such as substrate bounce and other substrate coupling effects cause deterioration in signal integrity. Both aspects of mixed-signal design have been addressed in this section and it illustrates that careful layout techniques embedded in a hierarchical design methodology can allow us to cope with most of the challenges presented by mixed analog-digital design. Part III, Low-noise and RF Power Amplifiers for Telecommunication, focuses on telecommunications systems. In these systems low-noise amplifiers are front-ends of receiver designs. At the transmitter part a high-performance, high-efficiency power amplifier is a critical design. Examples of both system parts are described in this section. Analog Circuit Design is an essential reference source for analog design engineers and researchers wishing to keep abreast with the latest developments in the field. The tutorial nature of the contributions also makes it suitable for use in an advanced course.

Digital Synthesizers and Transmitters for Software Radio

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Author :
Publisher : Springer Science & Business Media
ISBN 13 : 9781402031946
Total Pages : 394 pages
Book Rating : 4.0/5 (319 download)

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Book Synopsis Digital Synthesizers and Transmitters for Software Radio by : Jouko Vankka

Download or read book Digital Synthesizers and Transmitters for Software Radio written by Jouko Vankka and published by Springer Science & Business Media. This book was released on 2005-07-22 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: The approach adopted in Digital Synthesizers and Transmitters for Software Radio will provide an understanding of key areas in the field of digital synthesizers and transmitters. It is easy to include different digital techniques in the digital synthesizers and transmitters by using digital signal processing methods, because the signal is in digital form. By programming the digital synthesizers and transmitters, adaptive channel bandwidths, modulation formats, frequency hopping and data rates are easily achieved. Techniques such as digital predistortion for power amplifier linearization, digital compensation methods for analog I/Q modulator nonlinearities and digital power control and ramping are presented in this book. The flexibility of the digital synthesizers and transmitters makes them ideal as signal generators for software radio. Software radios represent a major change in the design paradigm for radios in which a large portion of the functionality is implemented through programmable signal processing devices, giving the radio the ability to change its operating parameters to accommodate new features and capabilities. A software radio approach reduces the content of radio frequency (RF) and other analog components of traditional radios and emphasizes digital signal processing to enhance overall transmitter flexibility. Software radios are emerging in commercial and military infrastructure.

RF Power Amplifiers

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Author :
Publisher : John Wiley & Sons
ISBN 13 : 1118844300
Total Pages : 686 pages
Book Rating : 4.1/5 (188 download)

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Book Synopsis RF Power Amplifiers by : Marian K. Kazimierczuk

Download or read book RF Power Amplifiers written by Marian K. Kazimierczuk and published by John Wiley & Sons. This book was released on 2014-12-15 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt: This second edition of the highly acclaimed RF Power Amplifiers has been thoroughly revised and expanded to reflect the latest challenges associated with power transmitters used in communications systems. With more rigorous treatment of many concepts, the new edition includes a unique combination of class-tested analysis and industry-proven design techniques. Radio frequency (RF) power amplifiers are the fundamental building blocks used in a vast variety of wireless communication circuits, radio and TV broadcasting transmitters, radars, wireless energy transfer, and industrial processes. Through a combination of theory and practice, RF Power Amplifiers, Second Edition provides a solid understanding of the key concepts, the principle of operation, synthesis, analysis, and design of RF power amplifiers. This extensive update boasts: up to date end of chapter summaries; review questions and problems; an expansion on key concepts; new examples related to real-world applications illustrating key concepts and brand new chapters covering ‘hot topics’ such as RF LC oscillators and dynamic power supplies. Carefully edited for superior readability, this work remains an essential reference for research & development staff and design engineers. Senior level undergraduate and graduate electrical engineering students will also find it an invaluable resource with its practical examples & summaries, review questions and end of chapter problems. Key features: • A fully revised solutions manual is now hosted on a companion website alongside new simulations. • Extended treatment of a broad range of topologies of RF power amplifiers. • In-depth treatment of state-of-the art of modern transmitters and a new chapter on oscillators. • Includes problem-solving methodology, step-by-step derivations and closed-form design equations with illustrations.

RF Power Amplifiers for Wireless Communications

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Author :
Publisher : Artech House Publishers
ISBN 13 : 9781596930186
Total Pages : 456 pages
Book Rating : 4.9/5 (31 download)

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Book Synopsis RF Power Amplifiers for Wireless Communications by : Steve C. Cripps

Download or read book RF Power Amplifiers for Wireless Communications written by Steve C. Cripps and published by Artech House Publishers. This book was released on 2006-01-01 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: This extensively revised edition offers a comprehensive, practical, up-to-date understanding of how to tackle a power amplifier design with confidence and quickly determine the cause of malfunctioning hardware.

Advances in Tomography Research and Application: 2012 Edition

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Author :
Publisher : ScholarlyEditions
ISBN 13 : 1464997861
Total Pages : 312 pages
Book Rating : 4.4/5 (649 download)

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Book Synopsis Advances in Tomography Research and Application: 2012 Edition by :

Download or read book Advances in Tomography Research and Application: 2012 Edition written by and published by ScholarlyEditions. This book was released on 2012-12-26 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Tomography Research and Application / 2012 Edition is a ScholarlyBrief™ that delivers timely, authoritative, comprehensive, and specialized information about Tomography in a concise format. The editors have built Advances in Tomography Research and Application / 2012 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Tomography in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Advances in Tomography Research and Application / 2012 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.

Performance Optimization Techniques in Analog, Mixed-Signal, and Radio-Frequency Circuit Design

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Author :
Publisher : IGI Global
ISBN 13 : 1466666285
Total Pages : 488 pages
Book Rating : 4.4/5 (666 download)

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Book Synopsis Performance Optimization Techniques in Analog, Mixed-Signal, and Radio-Frequency Circuit Design by : Fakhfakh, Mourad

Download or read book Performance Optimization Techniques in Analog, Mixed-Signal, and Radio-Frequency Circuit Design written by Fakhfakh, Mourad and published by IGI Global. This book was released on 2014-10-31 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: Improving the performance of existing technologies has always been a focal practice in the development of computational systems. However, as circuitry is becoming more complex, conventional techniques are becoming outdated and new research methodologies are being implemented by designers. Performance Optimization Techniques in Analog, Mix-Signal, and Radio-Frequency Circuit Design features recent advances in the engineering of integrated systems with prominence placed on methods for maximizing the functionality of these systems. This book emphasizes prospective trends in the field and is an essential reference source for researchers, practitioners, engineers, and technology designers interested in emerging research and techniques in the performance optimization of different circuit designs.