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Methodology For The Digital Calibration Of Analog Circuits And Systems
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Book Synopsis Methodology for the Digital Calibration of Analog Circuits and Systems by : Marc Pastre
Download or read book Methodology for the Digital Calibration of Analog Circuits and Systems written by Marc Pastre and published by Springer Science & Business Media. This book was released on 2006-01-17 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: Methodology for the Digital Calibration of Analog Circuits and Systems shows how to relax the extreme design constraints in analog circuits, allowing the realization of high-precision systems even with low-performance components. A complete methodology is proposed, and three applications are detailed. To start with, an in-depth analysis of existing compensation techniques for analog circuit imperfections is carried out. The M/2+M sub-binary digital-to-analog converter is thoroughly studied, and the use of this very low-area circuit in conjunction with a successive approximations algorithm for digital compensation is described. A complete methodology based on this compensation circuit and algorithm is then proposed. The detection and correction of analog circuit imperfections is studied, and a simulation tool allowing the transparent simulation of analog circuits with automatic compensation blocks is introduced. The first application shows how the sub-binary M/2+M structure can be employed as a conventional digital-to-analog converter if two calibration and radix conversion algorithms are implemented. The second application, a SOI 1T DRAM, is then presented. A digital algorithm chooses a suitable reference value that compensates several circuit imperfections together, from the sense amplifier offset to the dispersion of the memory read currents. The third application is the calibration of the sensitivity of a current measurement microsystem based on a Hall magnetic field sensor. Using a variant of the chopper modulation, the spinning current technique, combined with a second modulation of a reference signal, the sensitivity of the complete system is continuously measured without interrupting normal operation. A thermal drift lower than 50 ppm/°C is achieved, which is 6 to 10 times less than in state-of-the-art implementations. Furthermore, the calibration technique also compensates drifts due to mechanical stresses and ageing.
Book Synopsis Methodology for the Digital Calibration of Analog Circuits and Systems by : Marc Pastre
Download or read book Methodology for the Digital Calibration of Analog Circuits and Systems written by Marc Pastre and published by Springer Science & Business Media. This book was released on 2006 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: Methodology for the Digital Calibration of Analog Circuits and Systems shows how to relax the extreme design constraints in analog circuits, allowing the realization of high-precision systems even with low-performance components. A complete methodology is proposed, and three applications are detailed. To start with, an in-depth analysis of existing compensation techniques for analog circuit imperfections is carried out. The M/2+M sub-binary digital-to-analog converter is thoroughly studied, and the use of this very low-area circuit in conjunction with a successive approximations algorithm for digital compensation is described. A complete methodology based on this compensation circuit and algorithm is then proposed. The detection and correction of analog circuit imperfections is studied, and a simulation tool allowing the transparent simulation of analog circuits with automatic compensation blocks is introduced. The first application shows how the sub-binary M/2+M structure can be employed as a conventional digital-to-analog converter if two calibration and radix conversion algorithms are implemented. The second application, a SOI 1T DRAM, is then presented. A digital algorithm chooses a suitable reference value that compensates several circuit imperfections together, from the sense amplifier offset to the dispersion of the memory read currents. The third application is the calibration of the sensitivity of a current measurement microsystem based on a Hall magnetic field sensor. Using a variant of the chopper modulation, the spinning current technique, combined with a second modulation of a reference signal, the sensitivity of the complete system is continuously measured without interrupting normal operation. A thermal drift lower than 50 ppm/°C is achieved, which is 6 to 10 times less than in state-of-the-art implementations. Furthermore, the calibration technique also compensates drifts due to mechanical stresses and ageing.
Book Synopsis Digital Background Calibration of Analog to Digital Converters by : Bahar Jalali-Farahani
Download or read book Digital Background Calibration of Analog to Digital Converters written by Bahar Jalali-Farahani and published by Springer. This book was released on 2013 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: Digital Background Calibration of Analog to Digital Converters takes a deep look at the digital calibration techniques in analog-to-digital converters. The problem of compensating for analog circuits impairments is divided into a system identification problem and an error compensation problem. Different approaches in modelling the analog impairments are discussed. Although Digital Background Calibration of Analog to Digital Converters focuses on two popular types of ADCs mainly: Pipeline and Sigma Delta the techniques can be easily used for any analog and mixed-signal design. Design examples are provided that support the theory and show the application of these techniques in designing high performance data acquisitions systems for wireless communication systems, bio-implantable devices and space electronics.
Book Synopsis Low-Power High-Resolution Analog to Digital Converters by : Amir Zjajo
Download or read book Low-Power High-Resolution Analog to Digital Converters written by Amir Zjajo and published by Springer Science & Business Media. This book was released on 2010-10-29 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Analog Circuit Design for Process Variation-Resilient Systems-on-a-Chip by : Marvin Onabajo
Download or read book Analog Circuit Design for Process Variation-Resilient Systems-on-a-Chip written by Marvin Onabajo and published by Springer Science & Business Media. This book was released on 2012-03-08 with total page 183 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes several techniques to address variation-related design challenges for analog blocks in mixed-signal systems-on-chip. The methods presented are results from recent research works involving receiver front-end circuits, baseband filter linearization, and data conversion. These circuit-level techniques are described, with their relationships to emerging system-level calibration approaches, to tune the performances of analog circuits with digital assistance or control. Coverage also includes a strategy to utilize on-chip temperature sensors to measure the signal power and linearity characteristics of analog/RF circuits, as demonstrated by test chip measurements. Describes a variety of variation-tolerant analog circuit design examples, including from RF front-ends, high-performance ADCs and baseband filters; Includes built-in testing techniques, linked to current industrial trends; Balances digitally-assisted performance tuning with analog performance tuning and mismatch reduction approaches; Describes theoretical concepts as well as experimental results for test chips designed with variation-aware techniques.
Book Synopsis Analog Circuit Design Techniques at 0.5V by : Shouri Chatterjee
Download or read book Analog Circuit Design Techniques at 0.5V written by Shouri Chatterjee and published by Springer Science & Business Media. This book was released on 2010-04-02 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book tackles challenges for the design of analog integrated circuits that operate from ultra-low power supply voltages (down to 0.5V). Coverage demonstrates the signal processing circuit and circuit biasing approaches through the design of operational transconductance amplifiers (OTAs). These amplifiers are then used to build analog system functions including continuous time filter and a sample and hold amplifier.
Book Synopsis Background Calibration of Time-Interleaved Data Converters by : Manar El-Chammas
Download or read book Background Calibration of Time-Interleaved Data Converters written by Manar El-Chammas and published by Springer Science & Business Media. This book was released on 2011-12-17 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes techniques for time-interleaving a number of analog-to-digital data converters to achieve demanding bandwidth requirements. Readers will benefit from the presentation of a low-power solution that can be used in actual products, while alleviating the time-varying signal artifacts that typically arise when implementing such a system architecture.
Book Synopsis Calibration Techniques in Nyquist A/D Converters by : Hendrik van der Ploeg
Download or read book Calibration Techniques in Nyquist A/D Converters written by Hendrik van der Ploeg and published by Springer Science & Business Media. This book was released on 2006-09-13 with total page 203 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book analyses different A/D-converter architectures with an emphasis on the maximum achievable power efficiency. It also provides an accessible overview of the state-of-the art in calibration techniques for Nyquist A/D converters. The calibration techniques presented are applicable to other analog-to-digital systems, such as those applied in integrated receivers. They allow implementation without introducing a speed or power penalty.
Book Synopsis IQ Calibration Techniques for CMOS Radio Transceivers by : Sao-Jie Chen
Download or read book IQ Calibration Techniques for CMOS Radio Transceivers written by Sao-Jie Chen and published by Springer Science & Business Media. This book was released on 2006-11-05 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 802.11n wireless standard uses 64-state quadrature amplitude modulation (64-QAM) to achieve higher spectral efficiency. Consequently, the transmitter and receiver require a higher signal to noise ratio with the same level of error rate performance. This book offers a fully-analog compensation technique without baseband circuitry to control the calibration process. Using an 802.11g transceiver design as an example, it describes in detail an auto-calibration mechanism for I/Q gains and phases imbalance.
Book Synopsis Analog-Baseband Architectures and Circuits for Multistandard and Low-Voltage Wireless Transceivers by : Pui-In Mak
Download or read book Analog-Baseband Architectures and Circuits for Multistandard and Low-Voltage Wireless Transceivers written by Pui-In Mak and published by Springer Science & Business Media. This book was released on 2007-09-07 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents architectural and circuit techniques for wireless transceivers to achieve multistandard and low-voltage compliance. It provides an up-to-date survey and detailed study of the state-of-the-art transceivers for modern single- and multi-purpose wireless communication systems. The book includes comprehensive analysis and design of multimode reconfigurable receivers and transmitters for an efficient multistandard compliance.
Book Synopsis Dynamic-Mismatch Mapping for Digitally-Assisted DACs by : Yongjian Tang
Download or read book Dynamic-Mismatch Mapping for Digitally-Assisted DACs written by Yongjian Tang and published by Springer Science & Business Media. This book was released on 2013-02-11 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes a novel digital calibration technique called dynamic-mismatch mapping (DMM) to improve the performance of digital to analog converters (DACs). Compared to other techniques, the DMM technique has the advantage of calibrating all mismatch errors without any noise penalty, which is particularly useful in order to meet the demand for high performance DACs in rapidly developing applications, such as multimedia and communication systems.
Book Synopsis Switched-Capacitor Techniques for High-Accuracy Filter and ADC Design by : Patrick J. Quinn
Download or read book Switched-Capacitor Techniques for High-Accuracy Filter and ADC Design written by Patrick J. Quinn and published by Springer Science & Business Media. This book was released on 2007-07-20 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book proposes alternative switched capacitor techniques which allow the achievement of higher intrinsic analogue functional accuracy than previously possible in such application areas as analogue filter and ADC design. The validity of the concepts developed and analyzed in Switched-Capacitor Techniques for High-Accuracy Filter and ADC Design has been demonstrated in practice with the design of CMOS SC bandpass filters and algorithmic ADC stages.
Book Synopsis Full-Chip Nanometer Routing Techniques by : Tsung-Yi Ho
Download or read book Full-Chip Nanometer Routing Techniques written by Tsung-Yi Ho and published by Springer Science & Business Media. This book was released on 2007-08-30 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a novel multilevel full-chip router, namely mSIGMA for SIGnal-integrity and MAnufacturability optimization. These routing technologies will ensure faster time-to-market and time-to-profitability. The book includes a detailed description on the modern VLSI routing problems, and multilevel optimization on routing design to solve the chip complexity problem.
Book Synopsis Broadband Opto-Electrical Receivers in Standard CMOS by : Carolien Hermans
Download or read book Broadband Opto-Electrical Receivers in Standard CMOS written by Carolien Hermans and published by Springer Science & Business Media. This book was released on 2007-06-13 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book opens with the basics of the design of opto-electronic interface circuits. The text continues with an in-depth analysis of the photodiode, transimpedance amplifier (TIA) and limiting amplifier (LA). To thoroughly describe light detection mechanisms in silicon, first a one-dimensional and second a two-dimensional model is developed. All material is experimentally verified with several CMOS implementations, with ultimately a fully integrated Gbit/s optical receiver front-end including photodiode, TIA and LA.
Book Synopsis Low-Frequency Noise in Advanced MOS Devices by : Martin Haartman
Download or read book Low-Frequency Noise in Advanced MOS Devices written by Martin Haartman and published by Springer Science & Business Media. This book was released on 2007-08-23 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is an introduction to noise, describing fundamental noise sources and basic circuit analysis, discussing characterization of low-frequency noise and offering practical advice that bridges concepts of noise theory and modelling, characterization, CMOS technology and circuits. The text offers the latest research, reviewing the most recent publications and conference presentations. The book concludes with an introduction to noise in analog/RF circuits and describes how low-frequency noise can affect these circuits.
Book Synopsis Practical Applications in Reliability Engineering by : Muhammad Zubair
Download or read book Practical Applications in Reliability Engineering written by Muhammad Zubair and published by BoD – Books on Demand. This book was released on 2021-06-16 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book compiles and examines advanced technologies in the field of reliability and risk analysis. It presents comprehensive methodologies and up-to-date software along with examples of practical case studies from industrial areas to provide a realistic and authentic platform for readers.
Book Synopsis IQ Calibration Techniques for CMOS Radio Transceivers by : Sao-Jie Chen
Download or read book IQ Calibration Techniques for CMOS Radio Transceivers written by Sao-Jie Chen and published by Springer Science & Business Media. This book was released on 2006-09-22 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 802.11n wireless standard uses 64-state quadrature amplitude modulation (64-QAM) to achieve higher spectral efficiency. Consequently, the transmitter and receiver require a higher signal to noise ratio with the same level of error rate performance. This book offers a fully-analog compensation technique without baseband circuitry to control the calibration process. Using an 802.11g transceiver design as an example, it describes in detail an auto-calibration mechanism for I/Q gains and phases imbalance.
