Temos o prazer de lançar o primeiro livro internacional do ano de 2022 voltado a área do desenvolvimento, que tem como título Principles and concepts for development in nowadays society, essa obra contém 152 artigos voltados a área multidisciplinar, sendo a mesma pela Seven Publicações Ltda. A Seven Editora, agradece e enaltasse os autores que fizeram parte desse livro. Desejamos uma boa leitura a todos
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.
In Mexico environmental struggles have been fought since the nineteenth century in such places as Zacatecas, where United States and European mining interests have come into open conflict with rural and city residents over water access, environmental health concerns, and disease compensation. In Silver Veins, Dusty Lungs, Rocio Gomez examines the detrimental effects of the silver mining industry on water resources and public health in the city of Zacatecas and argues that the human labor necessary to the mining industry made the worker and the mine inseparable through the land, water, and air. Tensions arose between farmers and the mining industry over water access while the city struggled with mudslides, droughts, and water source contamination. Silicosis-tuberculosis, along with accidents caused by mining technologies like jackhammers and ore-crushers, debilitated scores of miners. By emphasizing the perspective of water and public health, Gomez illustrates that the human body and the environment are not separate entities but rather in a state of constant interaction.
“For those interested in De Soto and his expedition, these volumes are an absolute necessity.” —The Hispanic American Historical Review 1993 Choice Outstanding Academic Book, sponsored by Choice Magazine The De Soto expedition was the first major encounter of Europeans with indigenous North Americans in the eastern half of the United States. De Soto and his army of over 600 men, including 200 cavalry, spent four years traveling through what is now Florida, Georgia, Alabama, North and South Carolina, Tennessee, Mississippi, Louisiana, Arkansas, and Texas. The De Soto Chronicles Volume 1 and Volume 2 present for the first time all four primary accounts of the De Soto expedition together in English translation. The four primary accounts are generally referred to as Elvas, Rangel, Biedma (in Volume 1), and Garcilaso, or the Inca (in Volume 2). In this landmark 1993 publication, Clayton’s team presents the four accounts with literary and historical introductions. They further add brief essays about De Soto and the expedition, translations of De Soto documents from the Spanish Archivo General de Indias, two short biographies of De Soto, and bibliographical studies. For anthropologists, archaeologists, and historians, The De Soto Chronicles are valued for the unique ethnological information they contain. They form the only detailed eyewitness records of the most advanced native civilization in North America—the Mississippian culture—a culture largely lost in the wake of European contact.
Reaching Out to Latino Families of English Language Learners provides teachers with a wealth of tools and strategies for communicating with the parents of Latino English language learners and learning more about their communities.
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