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Author: Angel Rodríguez-Vázquez
Publisher: Springer Science & Business Media
ISBN: 1475737246
Category : Technology & Engineering
Languages : en
Pages : 610
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Book Description
CMOS Telecom Data Converters compiles the latest achievements regarding the design of high-speed and high-resolution data converters in deep submicron CMOS technologies. The four types of analog-to-digital converter architectures commonly found in this arena are covered, namely sigma-delta, pipeline, folding/interpolating and flash. For all these types, latest achievements regarding the solution of critical architectural and circuital issues are presented, and illustrated through IC prototypes with measured state-of-the-art performances. Some of these prototypes are conceived to be employed at the chipset of newest generation wireline modems (ADSL and ADSL+). Others are intended for wireless transceivers. Besides analog-to-digital converters, the book also covers other functions needed for communication systems, such as digital-to-analog converters, analog filters, programmable gain amplifiers, digital filters, and line drivers.
Author: Angel Rodríguez-Vázquez
Publisher: Springer Science & Business Media
ISBN: 1475737246
Category : Technology & Engineering
Languages : en
Pages : 610
Get Book Here
Book Description
CMOS Telecom Data Converters compiles the latest achievements regarding the design of high-speed and high-resolution data converters in deep submicron CMOS technologies. The four types of analog-to-digital converter architectures commonly found in this arena are covered, namely sigma-delta, pipeline, folding/interpolating and flash. For all these types, latest achievements regarding the solution of critical architectural and circuital issues are presented, and illustrated through IC prototypes with measured state-of-the-art performances. Some of these prototypes are conceived to be employed at the chipset of newest generation wireline modems (ADSL and ADSL+). Others are intended for wireless transceivers. Besides analog-to-digital converters, the book also covers other functions needed for communication systems, such as digital-to-analog converters, analog filters, programmable gain amplifiers, digital filters, and line drivers.
Author: Mikael Gustavsson
Publisher: Springer Science & Business Media
ISBN: 0306473054
Category : Technology & Engineering
Languages : en
Pages : 378
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Book Description
CMOS Data Converters for Communications distinguishes itself from other data converter books by emphasizing system-related aspects of the design and frequency-domain measures. It explains in detail how to derive data converter requirements for a given communication system (baseband, passband, and multi-carrier systems). The authors also review CMOS data converter architectures and discuss their suitability for communications. The rest of the book is dedicated to high-performance CMOS data converter architecture and circuit design. Pipelined ADCs, parallel ADCs with an improved passive sampling technique, and oversampling ADCs are the focus for ADC architectures, while current-steering DAC modeling and implementation are the focus for DAC architectures. The principles of the switched-current and the switched-capacitor techniques are reviewed and their applications to crucial functional blocks such as multiplying DACs and integrators are detailed. The book outlines the design of the basic building blocks such as operational amplifiers, comparators, and reference generators with emphasis on the practical aspects. To operate analog circuits at a reduced supply voltage, special circuit techniques are needed. Low-voltage techniques are also discussed in this book. CMOS Data Converters for Communications can be used as a reference book by analog circuit designers to understand the data converter requirements for communication applications. It can also be used by telecommunication system designers to understand the difficulties of certain performance requirements on data converters. It is also an excellent resource to prepare analog students for the new challenges ahead.
Author: Chunlei Shi
Publisher: Springer Science & Business Media
ISBN: 0306480069
Category : Technology & Engineering
Languages : en
Pages : 135
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Book Description
This text presents the design of data converters for emerging standards and introduces the underlying circuit design principles. It is an excellent reference for IC and mixed signal designers, design managers and project leaders in industry, particularly those in the wireless semiconductor industry.
Author: Paolo Carbone
Publisher: Springer Science & Business Media
ISBN: 3642396550
Category : Technology & Engineering
Languages : en
Pages : 428
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Book Description
This book presents the a scientific discussion of the state-of-the-art techniques and designs for modeling, testing and for the performance analysis of data converters. The focus is put on sustainable data conversion. Sustainability has become a public issue that industries and users can not ignore. Devising environmentally friendly solutions for data conversion designing, modeling and testing is nowadays a requirement that researchers and practitioners must consider in their activities. This book presents the outcome of the IWADC workshop 2011, held in Orvieto, Italy.
Author: Arindam Sanyal
Publisher:
ISBN:
Category :
Languages : en
Pages : 218
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Book Description
This thesis presents digital enhancement techniques for data converters in advanced technology nodes. With technology scaling, traditional voltage-domain (VD) analog-to-digital converters (ADCs) face two major challenges: (1) reduction of dynamic range due to supply voltage scaling, and (2) decrease in intrinsic gain of transistors which makes high gain amplifier design tough. To address these challenges, a two-stage ADC architecture is presented which uses time-domain quantization to exploit the advantages of technology scaling. The architecture, consisting of a first stage successive approximation register (SAR) and a second stage ring oscillator, is highly digital and scaling friendly. Two prototypes have been developed to validate the proposed architecture. The 40nm CMOS prototype achieves 75.7 dB dynamic range at an excellent Schreier figure-of-merit of 172.2 dB. The proposed architecture has been extended to a capacitance-to-digital converter and a prototype has been developed in 40nm CMOS. The prototype can sense capacitances with a resolution of 1.3fF and has a Walden figure-of-merit of 60 fJ/step which is more than two times better than the current state-of-the-art. This thesis also presents digital techniques to improve performance of continuous-time(CT), delta-sigma digital-to-analog converters (DACs). Recently, CT delta-sigma DACs have received more attention than their discrete, switched-capacitor counterpart mainly because of low power and/or higher speed of operation. However, a critical disadvantage of CT, delta-sigma DACs is their greatly increased sensitivity to inter-symbol interference (ISI) error. To address this shortcoming of CT DACs, this thesis presents several algorithms that can mitigate ISI error simultaneously with static mismatch error. Further, the proposed algorithms are fully digital in nature and as such, are best poised to take maximum advantage of technology scaling. Thus, the techniques presented in this thesis will be important enabling factors in raising the envelope of performance of CT delta-sigma DACs in advanced technology nodes.
Author: William F. Ellersick
Publisher:
ISBN:
Category :
Languages : en
Pages : 94
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Book Description
Author: Franco Maloberti
Publisher: Springer Science & Business Media
ISBN: 0387324860
Category : Technology & Engineering
Languages : en
Pages : 454
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Book Description
This book is the first graduate-level textbook presenting a comprehensive treatment of Data Converters. It provides comprehensive definition of the parameters used to specify data converters, and covers all the architectures used in Nyquist-rate data converters. The book uses Simulink and Matlab extensively in examples and problem sets. This is a textbook that is also essential for engineering professionals as it was written in response to a shortage of organically organized material on the topic. The book assumes a solid background in analog and digital circuits as well as a working knowledge of simulation tools for circuit and behavioral analysis.
Author: Jin-Sheng Wang
Publisher:
ISBN:
Category : Electronic circuit design
Languages : en
Pages : 274
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Book Description
Author: Jose M. de la Rosa
Publisher: John Wiley & Sons
ISBN: 1118568435
Category : Technology & Engineering
Languages : en
Pages : 463
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Book Description
A comprehensive overview of Sigma-Delta Analog-to-Digital Converters (ADCs) and a practical guide to their design in nano-scale CMOS for optimal performance. This book presents a systematic and comprehensive compilation of sigma-delta converter operating principles, the new advances in architectures and circuits, design methodologies and practical considerations − going from system-level specifications to silicon integration, packaging and measurements, with emphasis on nanometer CMOS implementation. The book emphasizes practical design issues – from high-level behavioural modelling in MATLAB/SIMULINK, to circuit-level implementation in Cadence Design FrameWork II. As well as being a comprehensive reference to the theory, the book is also unique in that it gives special importance on practical issues, giving a detailed description of the different steps that constitute the whole design flow of sigma-delta ADCs. The book begins with an introductory survey of sigma-delta modulators, their fundamentals architectures and synthesis methods covered in Chapter 1. In Chapter 2, the effect of main circuit error mechanisms is analysed, providing the necessary understanding of the main practical issues affecting the performance of sigma-delta modulators. The knowledge derived from the first two chapters is presented in the book as an essential part of the systematic top-down/bottom-up synthesis methodology of sigma-delta modulators described in Chapter 3, where a time-domain behavioural simulator named SIMSIDES is described and applied to the high-level design and verification of sigma-delta ADCs. Chapter 4 moves farther down from system-level to the circuit and physical level, providing a number of design recommendations and practical recipes to complete the design flow of sigma-delta modulators. To conclude the book, Chapter 5 gives an overview of the state-of-the-art sigma-delta ADCs, which are exhaustively analysed in order to extract practical design guidelines and to identify the incoming trends, design challenges as well as practical solutions proposed by cutting-edge designs. Offers a complete survey of sigma-delta modulator architectures from fundamentals to state-of-the art topologies, considering both switched-capacitor and continuous-time circuit implementations Gives a systematic analysis and practical design guide of sigma-delta modulators, from a top-down/bottom-up perspective, including mathematical models and analytical procedures, behavioural modeling in MATLAB/SIMULINK, macromodeling, and circuit-level implementation in Cadence Design FrameWork II, chip prototyping, and experimental characterization. Systematic compilation of cutting-edge sigma-delta modulators Complete description of SIMSIDES, a time-domain behavioural simulator implemented in MATLAB/SIMULINK Plenty of examples, case studies, and simulation test benches, covering the different stages of the design flow of sigma-delta modulators A number of electronic resources, including SIMSIDES, the statistical data used in the state-of-the-art survey, as well as many design examples and test benches are hosted on a companion website Essential reading for Researchers and electronics engineering practitioners interested in the design of high-performance data converters integrated in nanometer CMOS technologies; mixed-signal designers.
Author: Jose M. de la Rosa
Publisher: John Wiley & Sons
ISBN: 1119275768
Category : Technology & Engineering
Languages : en
Pages : 568
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Book Description
Thoroughly revised and expanded to help readers systematically increase their knowledge and insight about Sigma-Delta Modulators Sigma-Delta Modulators (SDMs) have become one of the best choices for the implementation of analog/digital interfaces of electronic systems integrated in CMOS technologies. Compared to other kinds of Analog-to-Digital Converters (ADCs), Σ∆Ms cover one of the widest conversion regions of the resolution-versus-bandwidth plane, being the most efficient solution to digitize signals in an increasingly number of applications, which span from high-resolution low-bandwidth digital audio, sensor interfaces, and instrumentation, to ultra-low power biomedical systems and medium-resolution broadband wireless communications. Following the spirit of its first edition, Sigma-Delta Converters: Practical Design Guide, 2nd Edition takes a comprehensive look at SDMs, their diverse types of architectures, circuit techniques, analysis synthesis methods, and CAD tools, as well as their practical design considerations. It compiles and updates the current research reported on the topic, and explains the multiple trade-offs involved in the whole design flow of Sigma-Delta Modulators—from specifications to chip implementation and characterization. The book follows a top-down approach in order to provide readers with the necessary understanding about recent advances, trends, and challenges in state-of-the-art Σ∆Ms. It makes more emphasis on two key points, which were not treated so deeply in the first edition: It includes a more detailed explanation of Σ∆Ms implemented using Continuous-Time (CT) circuits, going from system-level synthesis to practical circuit limitations. It provides more practical case studies and applications, as well as a deeper description of the synthesis methodologies and CAD tools employed in the design of Σ∆ converters. Sigma-Delta Converters: Practical Design Guide, 2nd Edition serves as an excellent textbook for undergraduate and graduate students in electrical engineering as well as design engineers working on SD data-converters, who are looking for a uniform and self-contained reference in this hot topic. With this goal in mind, and based on the feedback received from readers, the contents have been revised and structured to make this new edition a unique monograph written in a didactical, pedagogical, and intuitive style.
