Minimizing Spurious Tones In Digital Delta Sigma Modulators

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Minimizing Spurious Tones In Digital Delta Sigma Modulators

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Author : Kaveh Hosseini
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-06-25

Minimizing Spurious Tones In Digital Delta Sigma Modulators written by Kaveh Hosseini 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 2011-06-25 with Technology & Engineering categories.

This book describes several Digital Delta-Sigma Modulator (DDSM) architectures, including multi stage noise shaping (MASH), error feedback modulator (EFM) and single quantizer (SQ)-DDSM modulators, with a focus on predicting and maximizing their cycle lengths. The authors aim to demystify an important aspect of these particular DDSM structures, namely the existence of spurs resulting from the inherent periodicity of DDSMs with constant inputs. Simulink and MATLAB models and code are presented in Chapters 2–5 to enable the reader to reproduce the results in this work and to explore further. These examples will also be helpful for first-time designers of DDSMs.

Deterministic Techniques For Minimizing Spurious Tones In Digital Delta Sigma Modulators For Applications In Fractional N Frequency Synthesizers

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Author : Kaveh Hosseini
language : en
Publisher:
Release Date : 2009

Deterministic Techniques For Minimizing Spurious Tones In Digital Delta Sigma Modulators For Applications In Fractional N Frequency Synthesizers written by Kaveh Hosseini and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Frequency synthesizers categories.

Wired Wireless Internet Communications

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Author : Yevgeni Koucheryavy
language : en
Publisher: Springer
Release Date : 2017-06-15

Wired Wireless Internet Communications written by Yevgeni Koucheryavy and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-06-15 with Computers categories.

This book constitutes the proceedings of the 15th IFIP International Conference on Wired/Wireless Internet Communications, WWIC 2017, held in St. Petersburg, Russia, in June 2017. The 27 papers presented in this volume were carefully reviewed and selected from 76 submissions. They were organized in topical sections named: network analysis and dimensioning; 5G communications; network design and planning; network protocols; information technology; and circuit design.

Analog Digital Converters For Industrial Applications Including An Introduction To Digital Analog Converters

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Author : Frank Ohnhäuser
language : en
Publisher: Springer
Release Date : 2015-07-01

Analog Digital Converters For Industrial Applications Including An Introduction To Digital Analog Converters written by Frank Ohnhäuser and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-07-01 with Technology & Engineering categories.

This book offers students and those new to the topic of analog-to-digital converters (ADCs) a broad introduction, before going into details of the state-of-the-art design techniques for SAR and DS converters, including the latest research topics, which are valuable for IC design engineers as well as users of ADCs in applications. The book then addresses important topics, such as correct connectivity of ADCs in an application, the verification, characterization and testing of ADCs that ensure high-quality end products. Analog-to-digital converters are the central element in any data processing system and regulation loops such as modems or electrical motor drives. They significantly affect the performance and resolution of a system or end product. System development engineers need to be familiar with the performance parameters of the converters and understand the advantages and disadvantages of the various architectures. Integrated circuit development engineers have to overcome the problem of achieving high performance and resolution with the lowest possible power dissipation, while the digital circuitry generates distortion in supply, ground and substrate. This book explains the connections and gives suggestions for obtaining the highest possible resolution. Novel trends are illustrated in the design of analog-to-digital converters based on successive approximation and the difficulties in the development of continuous-time delta-sigma modulators are also discussed.

Oversampled Delta Sigma Modulators

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Author : Mücahit Kozak
language : en
Publisher: Springer Science & Business Media
Release Date : 2003-07-31

Oversampled Delta Sigma Modulators written by Mücahit Kozak 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 2003-07-31 with Technology & Engineering categories.

Oversampled Delta-Sigma Modulators: Analysis, Applications, and Novel Topologies presents theorems and their mathematical proofs for the exact analysis of the quantization noise in delta-sigma modulators. Extensive mathematical equations are included throughout the book to analyze both single-stage and multi-stage architectures. It has been proved that appropriately set initial conditions generate tone free output, provided that the modulator order is at least three. These results are applied to the design of a Fractional-N PLL frequency synthesizer to produce spurious free RF waveforms. Furthermore, the book also presents time-interleaved topologies to increase the conversion bandwidth of delta-sigma modulators. The topologies have been generalized for any interleaving number and modulator order. The book is full of design and analysis techniques and contains sufficient detail that enables readers with little background in the subject to easily follow the material in it.

Enabling Techniques For Wide Bandwidth Fractional N Phase Locked Loops

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Author : Sudhakar Pamarti
language : en
Publisher:
Release Date : 2003

Enabling Techniques For Wide Bandwidth Fractional N Phase Locked Loops written by Sudhakar Pamarti and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.

Journal Of The Audio Engineering Society

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Author : Audio Engineering Society
language : en
Publisher:
Release Date : 2002

Journal Of The Audio Engineering Society written by Audio Engineering Society and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Acoustical engineering categories.

"Directory of members" published as pt. 2 of Apr. 1954- issue.

Understanding Delta Sigma Data Converters

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Author : Shanthi Pavan
language : en
Publisher: John Wiley & Sons
Release Date : 2017-01-24

Understanding Delta Sigma Data Converters written by Shanthi Pavan and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-01-24 with Technology & Engineering categories.

This new edition introduces operation and design techniques for Sigma-Delta converters in physical and conceptual terms, and includes chapters which explore developments in the field over the last decade Includes information on MASH architectures, digital-to-analog converter (DAC) mismatch and mismatch shaping Investigates new topics including continuous-time ΔΣ analog-to-digital converters (ADCs) principles and designs, circuit design for both continuous-time and discrete-time ΔΣ ADCs, decimation and interpolation filters, and incremental ADCs Provides emphasis on practical design issues for industry professionals

The Double Loop Sigma Delta Modulator With Unstable Filter Dynamics

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Author : Mariam Motamed
language : en
Publisher:
Release Date : 1996

The Double Loop Sigma Delta Modulator With Unstable Filter Dynamics written by Mariam Motamed and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with categories.

The Design Of Low Voltage Low Power Sigma Delta Modulators

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Author : Shahriar Rabii
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

The Design Of Low Voltage Low Power Sigma Delta Modulators written by Shahriar Rabii 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 2012-12-06 with Technology & Engineering categories.

Oversampling techniques based on sigma-delta modulation are widely used to implement the analog/digital interfaces in CMOS VLSI technologies. This approach is relatively insensitive to imperfections in the manufacturing process and offers numerous advantages for the realization of high-resolution analog-to-digital (A/D) converters in the low-voltage environment that is increasingly demanded by advanced VLSI technologies and by portable electronic systems. In The Design of Low-Voltage, Low-Power Sigma-Delta Modulators, an analysis of power dissipation in sigma-delta modulators is presented, and a low-voltage implementation of a digital-audio performance A/D converter based on the results of this analysis is described. Although significant power savings can typically be achieved in digital circuits by reducing the power supply voltage, the power dissipation in analog circuits actually tends to increase with decreasing supply voltages. Oversampling architectures are a potentially power-efficient means of implementing high-resolution A/D converters because they reduce the number and complexity of the analog circuits in comparison with Nyquist-rate converters. In fact, it is shown that the power dissipation of a sigma-delta modulator can approach that of a single integrator with the resolution and bandwidth required for a given application. In this research the influence of various parameters on the power dissipation of the modulator has been evaluated and strategies for the design of a power-efficient implementation have been identified. The Design of Low-Voltage, Low-Power Sigma-Delta Modulators begins with an overview of A/D conversion, emphasizing sigma-delta modulators. It includes a detailed analysis of noise in sigma-delta modulators, analyzes power dissipation in integrator circuits, and addresses practical issues in the circuit design and testing of a high-resolution modulator. The Design of Low-Voltage, Low-Power Sigma-Delta Modulators will be of interest to practicing engineers and researchers in the areas of mixed-signal and analog integrated circuit design.