A Poly Phased Time Interleaved Radio Frequency Digital To Analog Converter Poly Ti Rf Dac PDF Download
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| Author | : Vipul J. Patel |
| Publisher | : |
| Total Pages | : 89 |
| Release | : 2017 |
| Genre | : Digital-to-analog converters |
| ISBN | : |
Download A Poly-phased, Time-interleaved Radio Frequency Digital-to-analog Converter (Poly-TI-RF-DAC) Book in PDF, ePub and Kindle
With increasing data rates and new communication standards owing to substantial advancements in digitizing and signal processing capabilities over the last century, the radio spectrum is increasingly becoming a finite and expensive resource. Furthermore, radar systems and 5G communication systems have revealed the need for gigahertz-frequency signal generation with flexible frequency planning and minimal spurious emissions. Advanced digital-to-analog converters (DACs), along with associated filtering, are critical enablers of these new systems and play a key role in meeting stringent system requirements. In conventional implementations, however, high quality filters are specific to one frequency band thereby limiting their operational agility. Therefore, a DAC architecture that removes undesired image replicas, mixer sidebands, and harmonic nonlinearities is an essential component for flexible frequency synthesis as it allows for reduced filtering requirements while enabling new software-defined transmitter techniques.This dissertation aims to provide a quantitative study and analysis of a poly-phased, time-interleaved Nyquist radio frequency digital-to-analog converter (Poly-TI-RF-DAC) for use in spectrum-agile and software-defined transmitters. Beginning with the fundamental understanding of high-speed DAC capabilities and limitations, the mathematical and behavioral analyses give insight into the signal, sideband, and image replica locations of the proposed architecture. Additionally, the use of a mixing DAC as the core structure is discussed along with how nonlinearities can be canceled with the appropriate choice of frequency planning.
| Author | : Stephan Henzler |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 132 |
| Release | : 2010-03-10 |
| Genre | : Technology & Engineering |
| ISBN | : 9048186285 |
Download Time-to-Digital Converters Book in PDF, ePub and Kindle
Micro-electronics and so integrated circuit design are heavily driven by technology scaling. The main engine of scaling is an increased system performance at reduced manufacturing cost (per system). In most systems digital circuits dominate with respect to die area and functional complexity. Digital building blocks take full - vantage of reduced device geometries in terms of area, power per functionality, and switching speed. On the other hand, analog circuits rely not on the fast transition speed between a few discrete states but fairly on the actual shape of the trans- tor characteristic. Technology scaling continuously degrades these characteristics with respect to analog performance parameters like output resistance or intrinsic gain. Below the 100 nm technology node the design of analog and mixed-signal circuits becomes perceptibly more dif cult. This is particularly true for low supply voltages near to 1V or below. The result is not only an increased design effort but also a growing power consumption. The area shrinks considerably less than p- dicted by the digital scaling factor. Obviously, both effects are contradictory to the original goal of scaling. However, digital circuits become faster, smaller, and less power hungry. The fast switching transitions reduce the susceptibility to noise, e. g. icker noise in the transistors. There are also a few drawbacks like the generation of power supply noise or the lack of power supply rejection.
| Author | : Grigorios Kalivas |
| Publisher | : John Wiley & Sons |
| Total Pages | : 472 |
| Release | : 2009-10-23 |
| Genre | : Technology & Engineering |
| ISBN | : 9780470748374 |
Download Digital Radio System Design Book in PDF, ePub and Kindle
A systematic explanation of the principles of radio systems, Digital Radio System Design offers a balanced treatment of both digital transceiver modems and RF front-end subsystems and circuits. It provides an in-depth examination of the complete transceiver chain which helps to connect the two topics in a unified system concept. Although the book tackles such diverse fields it treats them in sufficient depth to give the designer a solid foundation and an implementation perspective. Covering the key concepts and factors that characterise and impact radio transmission and reception, the book presents topics such as receiver design, noise and distortion. Information is provided about more advanced aspects of system design such as implementation losses due to non-idealities. Providing vivid examples, illustrations and detailed case-studies, this book is an ideal introduction to digital radio systems design. Offers a balanced treatment of digital modem and RF front-end design concepts for complete transceivers Presents a diverse range of topics related to digital radio design including advanced transmission and synchronization techniques with emphasis on implementation Provides guidance on imperfections and non-idealities in radio system design Includes detailed design case-studies incorporating measurement and simulation results to illustrate the theory in practice
| Author | : Arthur H.M. van Roermund |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 291 |
| Release | : 2012-11-26 |
| Genre | : Technology & Engineering |
| ISBN | : 1461445876 |
Download Nyquist AD Converters, Sensor Interfaces, and Robustness Book in PDF, ePub and Kindle
This book is based on the 18 presentations during the 21st workshop on Advances in Analog Circuit Design. Expert designers provide readers with information about a variety of topics at the frontier of analog circuit design, including Nyquist analog-to-digital converters, capacitive sensor interfaces, reliability, variability, and connectivity. This book serves as a valuable reference to the state-of-the-art, for anyone involved in analog circuit research and development.
| Author | : Michael Figueiredo |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 189 |
| Release | : 2012-08-24 |
| Genre | : Technology & Engineering |
| ISBN | : 146143467X |
Download Reference-Free CMOS Pipeline Analog-to-Digital Converters Book in PDF, ePub and Kindle
This book shows that digitally assisted analog to digital converters are not the only way to cope with poor analog performance caused by technology scaling. It describes various analog design techniques that enhance the area and power efficiency without employing any type of digital calibration circuitry. These techniques consist of self-biasing for PVT enhancement, inverter-based design for improved speed/power ratio, gain-of-two obtained by voltage sum instead of charge redistribution, and current-mode reference shifting instead of voltage reference shifting. Together, these techniques allow enhancing the area and power efficiency of the main building blocks of a multiplying digital-to-analog converter (MDAC) based stage, namely, the flash quantizer, the amplifier, and the switched capacitor network of the MDAC. Complementing the theoretical analyses of the various techniques, a power efficient operational transconductance amplifier is implemented and experimentally characterized. Furthermore, a medium-low resolution reference-free high-speed time-interleaved pipeline ADC employing all mentioned design techniques and circuits is presented, implemented and experimentally characterized. This ADC is said to be reference-free because it precludes any reference voltage, therefore saving power and area, as reference circuits are not necessary. Experimental results demonstrate the potential of the techniques which enabled the implementation of area and power efficient circuits.
| Author | : Willy M.C. Sansen |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 378 |
| Release | : 2013-03-09 |
| Genre | : Technology & Engineering |
| ISBN | : 1475730470 |
Download Analog Circuit Design Book in PDF, ePub and Kindle
This new book on Analog Circuit Design contains the revised contributions of all the tutorial speakers of the eight workshop AACD (Advances in Analog Circuit Design), which was held at Nice, France on March 23-25, 1999. The workshop was organized by Yves Leduc of TI Nice, France. The program committee consisted of Willy Sansen, K.U.Leuven, Belgium, Han Huijsing, T.U.Delft, The Netherlands and Rudy van de Plassche, T.U.Eindhoven, The Netherlands. The aim of these AACD workshops is to bring together a restricted group of about 100 people who are personally advancing the frontiers of analog circuit design to brainstorm on new possibilities and future developments in a restricted number of fields. They are concentrated around three topics. In each topic six speakers give a tutorial presentation. Eighteen papers are thus included in this book. The topics of 1999 are: (X)DSL and other communication systems RF MOST models Integrated filters and oscillators The other topics, which have been coverd before, are: 1992 Operational amplifiers A-D Converters Analog CAD 1993 Mixed-mode A+D design Sensor interfaces Communication circuits 1994 Low-power low-voltage design Integrated filters Smart power 1995 Low-noise low-power low-voltge design Mixed-mode design with CAD tools Voltage, current and time references vii viii 1996 RF CMOS circuit design Bandpass sigma-delta and other data converters Translinear circuits 1997 RF A-D Converters Sensor and actuator interfaces Low-noise oscillators, PLL's and synthesizers 1998 I-Volt electronics Design and implementation of mixed-mode systems Low-noise amplifiers and RF power amplifiers for telecommunications
| Author | : Walt Kester |
| Publisher | : Newnes |
| Total Pages | : 977 |
| Release | : 2005 |
| Genre | : Computers |
| ISBN | : 0750678410 |
Download Data Conversion Handbook Book in PDF, ePub and Kindle
This complete update of a classic handbook originally created by Analog Devices and never previously published offers the most complete and up-to-date reference available on data conversion, from the world authority on the subject. It describes in depth the theory behind and the practical design of data conversion circuits. It describes the different architectures used in A/D and D/A converters - including many advances that have been made in this technology in recent years - and provides guidelines on which types are best suited for particular applications. It covers error characterization and testing specifications, essential design information that is difficult to find elsewhere. The book also contains a wealth of practical application circuits for interfacing and supporting A/D and D/A converters within an electronic system. In short, everything an electronics engineer needs to know about data converters can be found in this volume, making it an indispensable reference with broad appeal. The accompanying CD-ROM provides software tools for testing and analyzing data converters as well as a searchable pdf version of the text. * brings together a huge amount of information impossible to locate elsewhere. * many recent advances in converter technology simply aren't covered in any other book. * a must-have design reference for any electronics design engineer or technician
| Author | : Walt Jung |
| Publisher | : Newnes |
| Total Pages | : 898 |
| Release | : 2005 |
| Genre | : Computers |
| ISBN | : 0750678445 |
Download Op Amp Applications Handbook Book in PDF, ePub and Kindle
A complete and up-to-date op amp reference for electronics engineers from the most famous op amp guru.
| Author | : Donald W. McRobbie |
| Publisher | : Cambridge University Press |
| Total Pages | : 405 |
| Release | : 2017-04-13 |
| Genre | : Medical |
| ISBN | : 1316688259 |
Download MRI from Picture to Proton Book in PDF, ePub and Kindle
MR is a powerful modality. At its most advanced, it can be used not just to image anatomy and pathology, but to investigate organ function, to probe in vivo chemistry, and even to visualise the brain thinking. However, clinicians, technologists and scientists struggle with the study of the subject. The result is sometimes an obscurity of understanding, or a dilution of scientific truth, resulting in misconceptions. This is why MRI from Picture to Proton has achieved its reputation for practical clarity. MR is introduced as a tool, with coverage starting from the images, equipment and scanning protocols and traced back towards the underlying physics theory. With new content on quantitative MRI, MR safety, multi-band excitation, Dixon imaging, MR elastography and advanced pulse sequences, and with additional supportive materials available on the book's website, this new edition is completely revised and updated to reflect the best use of modern MR technology.
| Author | : Paolo Carbone |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 428 |
| Release | : 2013-10-05 |
| Genre | : Technology & Engineering |
| ISBN | : 3642396550 |
Download Design, Modeling and Testing of Data Converters Book in PDF, ePub and Kindle
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.
