Design And Computer Aided Optimization Of Rf Cmos Power Amplifiers
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Design And Computer Aided Optimization Of Rf Cmos Power Amplifiers
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Author : Ravi Gupta
language : en
Publisher:
Release Date : 1998
Design And Computer Aided Optimization Of Rf Cmos Power Amplifiers written by Ravi Gupta and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Integrated circuits categories.
In recent years, there has been an extensive effort to develop low-cost implementations of radio frequency integrated circuits for consumer applications. This thesis is a research effort in the design and implementation of integrated RF CMOS Power Amplifiers (PAs). A significant challenge in the implementation of RF CMOS ICs is the impact of device, package and passive element parasitics on circuit performance. Passive components are a critical part of any RF IC design, and a process optimized for digital circuits results in inductors and capacitors with very high parasitics. In this work, we have developed a compact model for inductors fabricated in a digital CMOS process. Measured results have been used to further refine the accuracy of the inductor model. This model has been used to predict the impact of inductor parasitics on the performance of RFICs, and is also simple enough to be included in a CAD tool for circuit optimization. We have also studied the operation of Class A, B and C power amplifiers and highlighted design issues which are specific to the implementation of integrated PAs. It is shown that inductor loss has the most critical impact on the performance of integrated PAs. A custom CAD tool, based on the simulated annealing algorithm, has been developed to optimize the performance of power amplifiers for maximum efficiency in the presence of package, device and passive element parasitics. This CAD tool simulates the process of load-pull to determine the optimum large-signal load impedance for the PA, and optimizes the matching network design based on the trade-off between the loss in the matching network and its impedance transformation properties. This trade-off is relevant in the case of high-loss matching networks only, as is the case in integrated RF CMOS ICs. This CAD tool has been used to optimize the efficiency of balanced 100mW CMOS PAs operating at 900MHz. Measured results validate the design and optimization process outlined in this work. It is demonstrated that in the design of RF CMOS ICs, significant benefits can be gained by incorporating parasitics into the design process by means of CAD optimization. The CAD tool developed is an effort towards achieving this goal. It is further proposed that CAD optimization is an essential part of the design of RF CMOS ICs in general, and with the development of improved package, device and passive element models, CAD optimization will replace the "tuning" of RF circuits and result in robust, fully-integrated implementations of RF circuits.
Design And Computer Aided Optimization Of A Fully Integrated Cmos Rf Distributed Amplifier
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Author : Brian M. Ballweber
language : en
Publisher:
Release Date : 1998
Design And Computer Aided Optimization Of A Fully Integrated Cmos Rf Distributed Amplifier written by Brian M. Ballweber and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Metal oxide semiconductors, Complementary categories.
Advancements in the sophistication and complexity of modern electronic systems are creating a need for highly integrated systems with ever higher operational frequencies. The economical demands of these systems dictate that they be implemented using low cost fabrication technologies, such as digital CMOS. One of the major challenges facing circuit designers is the difficulty in implementing high frequency RF analog circuits on these types of technologies. Analog circuits which make use of parasitic-laden components such as inductors are especially difficult to realize. The purpose of this thesis is to investigate the design and application of an optimization tool based on simulated annealing to this type of problem. The goal is to have the optimizer incorporate these unavoidable component parasitics into a design, and thus eliminate any undesirable performance degradation. The optimization technique will be applied to the design of a CMOS RF distributed amplifier. This type of amplifier has a flat gain characteristic over an exceptionally wide bandwidth, and it is heavily reliant on inductive structures. Historically, an amplifier of this type has never been implemented on a standard CMOS process, without the use of bondwire inductances or special processing techniques. However, it will be shown in this thesis that, with the aid of the optimization technique, a distributed amplifier design can be successfully realized on a standard CMOS process.
Rf Cmos Power Amplifiers Theory Design And Implementation
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Author : Mona M. Hella
language : en
Publisher: Springer Science & Business Media
Release Date : 2005-12-27
Rf Cmos Power Amplifiers Theory Design And Implementation written by Mona M. Hella 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 2005-12-27 with Technology & Engineering categories.
RF CMOS Power Amplifiers: Theory Design and Implementation focuses on the design procedure and the testing issues of CMOS RF power amplifiers. This is the first monograph addressing RF CMOS power amplifier design for emerging wireless standards. The focus on power amplifiers for short is distance wireless personal and local area networks (PAN and LAN), however the design techniques are also applicable to emerging wide area networks (WAN) infrastructure using micro or pico cell networks. The book discusses CMOS power amplifier design principles and theory and describes the architectures and tardeoffs in designing linear and nonlinear power amplifiers. It then details design examples of RF CMOS power amplifiers for short distance wireless applications (e, g., Bluetooth, WLAN) including designs for multi-standard platforms. Design aspects of RF circuits in deep submicron CMOS are also discussed. RF CMOS Power Amplifiers: Theory Design and Implementation serves as a reference for RF IC design engineers and RD and R&D managers in industry, and for graduate students conducting research in wireless semiconductor IC design in general and with CMOS technology in particular.
Linear Cmos Rf Power Amplifiers
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Author : Hector Solar Ruiz
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-09-14
Linear Cmos Rf Power Amplifiers written by Hector Solar Ruiz 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 2013-09-14 with Technology & Engineering categories.
The work establishes the design flow for the optimization of linear CMOS power amplifiers from the first steps of the design to the final IC implementation and tests. The authors also focuses on design guidelines of the inductor’s geometrical characteristics for power applications and covers their measurement and characterization. Additionally, a model is proposed which would facilitate designs in terms of transistor sizing, required inductor quality factors or minimum supply voltage. The model considers limitations that CMOS processes can impose on implementation. The book also provides different techniques and architectures that allow for optimization.
Distributed Power Amplifiers For Rf And Microwave Communications
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Author : Narendra Kumar
language : en
Publisher: Artech House
Release Date : 2015-06-01
Distributed Power Amplifiers For Rf And Microwave Communications written by Narendra Kumar and has been published by Artech House this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-06-01 with Technology & Engineering categories.
This new resource presents readers with all relevant information and comprehensive design methodology of wideband amplifiers. This book specifically focuses on distributed amplifiers and their main components, and presents numerous RF and microwave applications including well-known historical and recent architectures, theoretical approaches, circuit simulation, and practical implementation techniques. A great resource for practicing designers and engineers, this book contains numerous well-known and novel practical circuits, architectures, and theoretical approaches with detailed description of their operational principles.
Broadband Rf And Microwave Amplifiers
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Author : Andrei Grebennikov
language : en
Publisher: CRC Press
Release Date : 2017-07-12
Broadband Rf And Microwave Amplifiers written by Andrei Grebennikov and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-07-12 with Computers categories.
Broadband RF and Microwave Amplifiers provides extensive coverage of broadband radio frequency (RF) and microwave power amplifier design, including well-known historical and recent novel schematic configurations, theoretical approaches, circuit simulation results, and practical implementation strategies. The text begins by introducing two-port networks to illustrate the behavior of linear and nonlinear circuits, explaining the basic principles of power amplifier design, and discussing impedance matching and broadband power amplifier design using lumped and distributed parameters. The book then: Shows how dissipative or lossy gain-compensation-matching circuits can offer an important trade-off between power gain, reflection coefficient, and operating frequency bandwidth Describes the design of broadband RF and microwave amplifiers using real frequency techniques (RFTs), supplying numerous examples based on the MATLAB® programming process Examines Class-E power amplifiers, Doherty amplifiers, low-noise amplifiers, microwave gallium arsenide field-effect transistor (GaAs FET)-distributed amplifiers, and complementary metal-oxide semiconductor (CMOS) amplifiers for ultra-wideband (UWB) applications Broadband RF and Microwave Amplifiers combines theoretical analysis with practical design to create a solid foundation for innovative ideas and circuit design techniques.
Analog Circuit Design
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Author : Johan Huijsing
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Analog Circuit Design written by Johan Huijsing 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 2013-03-09 with Technology & Engineering categories.
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.
Design And Control Of Rf Power Amplifiers
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Author : Alireza Shirvani
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-04-18
Design And Control Of Rf Power Amplifiers written by Alireza Shirvani 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 2013-04-18 with Technology & Engineering categories.
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.
Parasitic Aware Design And Optimization Of Cmos Rf Power Amplifier
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Author : Kiyong Choi
language : en
Publisher:
Release Date : 2003
Parasitic Aware Design And Optimization Of Cmos Rf Power Amplifier written by Kiyong Choi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Power amplifiers categories.
Linear Cmos Rf Power Amplifiers For Wireless Applications
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Author : Paulo Augusto Dal Fabbro
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-06-22
Linear Cmos Rf Power Amplifiers For Wireless Applications written by Paulo Augusto Dal Fabbro 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 2010-06-22 with Technology & Engineering categories.
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.