Reference Free Cmos Pipeline Analog To Digital Converters
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Reference Free Cmos Pipeline Analog To Digital Converters
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Author : Michael Figueiredo
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-08-24
Reference Free Cmos Pipeline Analog To Digital Converters written by Michael Figueiredo 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 2012-08-24 with Technology & Engineering categories.
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.
Analysis And Design Of Pipeline Analog To Digital Converters
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Author : Yun Chiu
language : en
Publisher: Springer-Verlag New York Incorporated
Release Date : 2006-01-01
Analysis And Design Of Pipeline Analog To Digital Converters written by Yun Chiu and has been published by Springer-Verlag New York Incorporated this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-01-01 with Computers categories.
Presenting a treatment of the subject of the pipeline analog-to-digital converter (ADC), this book emphasizes implementation techniques using CMOS switched-capacitor circuits. The core materials of the textbook include architecture, circuit building blocks, practical limitations, consideration of precision, and calibration techniques.
High Resolution And High Speed Integrated Cmos Ad Converters For Low Power Applications
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Author : Weitao Li
language : en
Publisher: Springer
Release Date : 2017-08-01
High Resolution And High Speed Integrated Cmos Ad Converters For Low Power Applications written by Weitao Li and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-08-01 with Technology & Engineering categories.
This book is a step-by-step tutorial on how to design a low-power, high-resolution (not less than 12 bit), and high-speed (not less than 200 MSps) integrated CMOS analog-to-digital (AD) converter, to respond to the challenge from the rapid growth of IoT. The discussion includes design techniques on both the system level and the circuit block level. In the architecture level, the power-efficient pipelined AD converter, the hybrid AD converter and the time-interleaved AD converter are described. In the circuit block level, the reference voltage buffer, the opamp, the comparator, and the calibration are presented. Readers designing low-power and high-performance AD converters won’t want to miss this invaluable reference. Provides an in-depth introduction to the newest design techniques for the power-efficient, high-resolution (not less than 12 bit), and high-speed (not less than 200 MSps) AD converter; Presents three types of power-efficient architectures of the high-resolution and high-speed AD converter; Discusses the relevant circuit blocks (i.e., the reference voltage buffer, the opamp, and the comparator) in two aspects, relaxing the requirements and improving the performance.
Cmos Data Converters For Communications
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Author : Mikael Gustavsson
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-04-18
Cmos Data Converters For Communications written by Mikael Gustavsson 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 2006-04-18 with Technology & Engineering categories.
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.
Cmos Integrated Analog To Digital And Digital To Analog Converters
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Author : Rudy J. van de Plassche
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-04-17
Cmos Integrated Analog To Digital And Digital To Analog Converters written by Rudy J. van de Plassche 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 2013-04-17 with Technology & Engineering categories.
CMOS Integrated Analog-to-Digital and Digital-to-Analog Converters describes in depth converter specifications like Effective Number of Bits (ENOB), Spurious Free Dynamic Range (SFDR), Integral Non-Linearity (INL), Differential Non-Linearity (DNL) and sampling clock jitter requirements. Relations between these specifications and practical issues like matching of components and offset parameters of differential pairs are derived. CMOS Integrated Analog-to-Digital and Digital-to-Analog Converters describes the requirements of input and signal reconstruction filtering in case a converter is applied into a signal processing system. CMOS Integrated Analog-to-Digital and Digital-to-Analog Converters describes design details of high-speed A/D and D/A converters, high-resolution A/D and D/A converters, sample-and-hold amplifiers, voltage and current references, noise-shaping converters and sigma-delta converters, technology parameters and matching performance, comparators and limitations of comparators and finally testing of converters.
Cmos Telecom Data Converters
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Author : Angel Rodríguez-Vázquez
language : en
Publisher: Springer Science & Business Media
Release Date : 2004-01-31
Cmos Telecom Data Converters written by Angel Rodríguez-Vázquez 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 2004-01-31 with Technology & Engineering categories.
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.
Integrated Analog To Digital And Digital To Analog Converters
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Author : Rudy J. van de Plassche
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Integrated Analog To Digital And Digital To Analog Converters written by Rudy J. van de Plassche 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.
Analog-to-digital (A/D) and digital-to-analog (D/A) converters provide the link between the analog world of transducers and the digital world of signal processing, computing and other digital data collection or data processing systems. Several types of converters have been designed, each using the best available technology at a given time for a given application. For example, high-performance bipolar and MOS technologies have resulted in the design of high-resolution or high-speed converters with applications in digital audio and video systems. In addition, high-speed bipolar technologies enable conversion speeds to reach the gigaHertz range and thus have applications in HDTV and digital oscilloscopes. Integrated Analog-to-Digital and Digital-to-Analog Converters describes in depth the theory behind and the practical design of these circuits. It describes the different techniques to improve the accuracy in high-resolution A/D and D/A converters and also special techniques to reduce the number of elements in high-speed A/D converters by repetitive use of comparators. Integrated Analog-to-Digital and Digital-to-Analog Converters is the most comprehensive book available on the subject. Starting from the basic elements of theory necessary for a complete understanding of the design of A/D and D/A converters, this book describes the design of high-speed A/D converters, high-accuracy D/A and A/D converters, sample-and-hold amplifiers, voltage and current reference sources, noise-shaping coding and sigma-delta converters. Integrated Analog-to-Digital and Digital-to-Analog Converters contains a comprehensive bibliography and index and also includes a complete set of problems. This book is ideal for use in an advanced course on the subject and is an essential reference for researchers and practicing engineers.
Pipelined Analog To Digital Conversion Using Class Ab Amplifiers
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Author : Kyung Ryun Kim
language : en
Publisher: Stanford University
Release Date : 2010
Pipelined Analog To Digital Conversion Using Class Ab Amplifiers written by Kyung Ryun Kim and has been published by Stanford University this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
In high-performance pipelined analog-to-digital converters (ADCs), the residue amplifiers dissipate the majority of the overall converter power. Therefore, finding alternatives to the relatively inefficient, conventional class-A circuit realization is an active area of research. One option for improvement is to employ class-AB amplifiers, which can, in principle, provide large drive currents on demand and improve the efficiency of residue amplification. Unfortunately, due to the simultaneous demand for high speed and high gain in pipelined ADCs, the improvements seen in class-AB designs have so far been limited. This dissertation presents the design of an efficient class-AB amplification scheme based on a pseudo-differential, single-stage and cascode-free architecture. Nonlinear errors due to finite DC gain are addressed using a deterministic digital background calibration that measures the circuit imperfections in time intervals between normal conversion cycles of the ADC. As a proof of concept, a 12-bit 30-MS/s pipelined ADC was realized using class-AB amplifiers with the proposed digital calibration. The prototype ADC occupies an active area of 0.36 mm2 in 90-nm CMOS. It dissipates 2.95 mW from a 1.2-V supply and achieves an SNDR of 64.5 dB for inputs near the Nyquist frequency. The corresponding figure of merit is 72 fJ/conversion-step.
Pipelined Analog To Digital Converter And Fault Diagnosis
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Author : Alok Barua
language : en
Publisher:
Release Date : 2020
Pipelined Analog To Digital Converter And Fault Diagnosis written by Alok Barua and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with Analog-to-digital converters categories.
Pipelined architecture analog-to-digital converters (ADCs) have become the architecture of choice for high speed and moderate to high resolution devices. Subsequently, different techniques of the fault diagnosis by built in self-test (BIST) system have been developed. This book gives a rigorous, theoretical and mathematical analysis for the design of pipelined ADCs, along with detailed practical aspects of implementing it in very large-scale integration (VLSI). In each chapter a unique fault diagnosis technique for pipelined ADC has been proposed. Chapter 1 discusses a 1.8V 10-bit 500 mega samples-per-second parallel pipelined ADC, describing the design of high speed, low power, low voltage ADC in CMOS technology. Chapter 2 introduces a BIST system where both the circuit and its diagnosis tool are implemented on the same chip. Chapter 3 examines the design of an oscillation-based BIST system for a 1.8V 8-bit 125-mega samples per second pipelined ADC. Chapter 4 focuses on the evaluation of dynamic parameters of a pipelined ADC with an oscillation-based BIST. Chapter 5 covers reconfigurable BIST architecture for pipelined ADCs. The book is an ideal reference for graduate students and researchers within electrical, electronics and computer engineering.
Low Power High Resolution Analog To Digital Converters
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Author : Amir Zjajo
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-10-29
Low Power High Resolution Analog To Digital Converters written by Amir Zjajo 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 2010-10-29 with Technology & Engineering categories.
With the fast advancement of CMOS fabrication technology, more and more signal-processing functions are implemented in the digital domain for a lower cost, lower power consumption, higher yield, and higher re-configurability. This has recently generated a great demand for low-power, low-voltage A/D converters that can be realized in a mainstream deep-submicron CMOS technology. However, the discrepancies between lithography wavelengths and circuit feature sizes are increasing. Lower power supply voltages significantly reduce noise margins and increase variations in process, device and design parameters. Consequently, it is steadily more difficult to control the fabrication process precisely enough to maintain uniformity. The inherent randomness of materials used in fabrication at nanoscopic scales means that performance will be increasingly variable, not only from die-to-die but also within each individual die. Parametric variability will be compounded by degradation in nanoscale integrated circuits resulting in instability of parameters over time, eventually leading to the development of faults. Process variation cannot be solved by improving manufacturing tolerances; variability must be reduced by new device technology or managed by design in order for scaling to continue. Similarly, within-die performance variation also imposes new challenges for test methods. In an attempt to address these issues, Low-Power High-Resolution Analog-to-Digital Converters specifically focus on: i) improving the power efficiency for the high-speed, and low spurious spectral A/D conversion performance by exploring the potential of low-voltage analog design and calibration techniques, respectively, and ii) development of circuit techniques and algorithms to enhance testing and debugging potential to detect errors dynamically, to isolate and confine faults, and to recover errors continuously. The feasibility of the described methods has been verified by measurements from the silicon prototypes fabricated in standard 180nm, 90nm and 65nm CMOS technology.