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Modular Low-Power, High-Speed CMOS Analog-to-Digital Converter of Embedded Systems

2006-01-14 Technology & Engineering
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Release : 2006-01-14
Genre : Technology & Engineering
Kind : eBook
Book Rating : 268/5 ( reviews)

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Book Synopsis Modular Low-Power, High-Speed CMOS Analog-to-Digital Converter of Embedded Systems by : Keh-La Lin

Download or read book Modular Low-Power, High-Speed CMOS Analog-to-Digital Converter of Embedded Systems written by Keh-La Lin. This book was released on 2006-01-14. Available in PDF, EPUB and Kindle. Book excerpt: One of the main trends of microelectronics is toward design for integrated systems, i.e., system-on-a-chip (SoC) or system-on-silicon (SoS). Due to this development, design techniques for mixed-signal circuits become more important than before. Among other devices, analog-to-digital and digital-to-analog converters are the two bridges between the analog and the digital worlds. Besides, low-power design technique is one of the main issues for embedded systems, especially for hand-held applications. Modular Low-Power, High-Speed CMOS Analog-to-Digital Converter for Embedded Systems aims at design techniques for low-power, high-speed analog-to-digital converter processed by the standard CMOS technology. Additionally this book covers physical integration issues of A/D converter integrated in SoC, i.e., substrate crosstalk and reference voltage network design.

Systematic Design of Sigma-Delta Analog-to-Digital Converters

2004-04-30 Computers
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Release : 2004-04-30
Genre : Computers
Kind : eBook
Book Rating : 450/5 ( reviews)

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Book Synopsis Systematic Design of Sigma-Delta Analog-to-Digital Converters by : Ovidiu Bajdechi

Download or read book Systematic Design of Sigma-Delta Analog-to-Digital Converters written by Ovidiu Bajdechi. This book was released on 2004-04-30. Available in PDF, EPUB and Kindle. Book excerpt: Systematic Design of Sigma-Delta Analog-to-Digital Converters describes the issues related to the sigma-delta analog-to-digital converters (ADCs) design in a systematic manner: from the top level of abstraction represented by the filters defining signal and noise transfer functions (STF, NTF), passing through the architecture level where topology-related performance is calculated and simulated, and finally down to parameters of circuit elements like resistors, capacitors, and amplifier transconductances used in individual integrators. The systematic approach allows the evaluation of different loop filters (order, aggressiveness, discrete-time or continuous-time implementation) with quantizers varying in resolution. Topologies explored range from simple single loops to multiple cascaded loops with complex structures including more feedbacks and feedforwards. For differential circuits, with switched-capacitor integrators for discrete-time (DT) loop filters and active-RC for continuous-time (CT) ones, the passive integrator components are calculated and the power consumption is estimated, based on top-level requirements like harmonic distortion and noise budget. This unified, systematic approach to choosing the best sigma-delta ADC implementation for a given design target yields an interesting solution for a high-resolution, broadband (DSL-like) ADC operated at low oversampling ratio, which is detailed down to transistor-level schematics. The target audience of Systematic Design of Sigma-Delta Analog-to-Digital Converters are engineers designing sigma-delta ADCs and/or switched-capacitor and continuous-time filters, both beginners and experienced. It is also intended for students/academics involved in sigma-delta and analog CAD research.

CMOS Integrated Analog-to-Digital and Digital-to-Analog Converters

2013-04-17 Technology & Engineering
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Release : 2013-04-17
Genre : Technology & Engineering
Kind : eBook
Book Rating : 688/5 ( reviews)

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Book Synopsis CMOS Integrated Analog-to-Digital and Digital-to-Analog Converters by : Rudy J. van de Plassche

Download or read book CMOS Integrated Analog-to-Digital and Digital-to-Analog Converters written by Rudy J. van de Plassche. This book was released on 2013-04-17. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Low-Power Deep Sub-Micron CMOS Logic

2012-12-06 Technology & Engineering
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Release : 2012-12-06
Genre : Technology & Engineering
Kind : eBook
Book Rating : 490/5 ( reviews)

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Book Synopsis Low-Power Deep Sub-Micron CMOS Logic by : P. van der Meer

Download or read book Low-Power Deep Sub-Micron CMOS Logic written by P. van der Meer. This book was released on 2012-12-06. Available in PDF, EPUB and Kindle. Book excerpt: 1. 1 Power-dissipation trends in CMOS circuits Shrinking device geometry, growing chip area and increased data-processing speed performance are technological trends in the integrated circuit industry to enlarge chip functionality. Already in 1965 Gordon Moore predicted that the total number of devices on a chip would double every year until the 1970s and every 24 months in the 1980s. This prediction is widely known as "Moore's Law" and eventually culminated in the Semiconductor Industry Association (SIA) technology road map [1]. The SIA road map has been a guide for the in dustry leading them to continued wafer and die size growth, increased transistor density and operating frequencies, and defect density reduction. To mention a few numbers; the die size increased 7% per year, the smallest feature sizes decreased 30% and the operating frequencies doubled every two years. As a consequence of these trends both the number of transistors and the power dissi pation per unit area increase. In the near future the maximum power dissipation per unit area will be reached. Down-scaling of the supply voltage is not only the most effective way to reduce power dissipation in general it also is a necessary precondition to ensure device reliability by reducing electrical fields and device temperature, to prevent device degradation. A draw-back of this solution is an increased signal propa gation delay, which results in a lower data-processing speed performance.

Low Power Analog CMOS for Cardiac Pacemakers

2013-03-09 Technology & Engineering
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Release : 2013-03-09
Genre : Technology & Engineering
Kind : eBook
Book Rating : 836/5 ( reviews)

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Book Synopsis Low Power Analog CMOS for Cardiac Pacemakers by : Fernando Silveira

Download or read book Low Power Analog CMOS for Cardiac Pacemakers written by Fernando Silveira. This book was released on 2013-03-09. Available in PDF, EPUB and Kindle. Book excerpt: Low Power Analog CMOS for Cardiac Pacemakers proposes new techniques for the reduction of power consumption in analog integrated circuits. Our main example is the pacemaker sense channel, which is representative of a broader class of biomedical circuits aimed at qualitatively detecting biological signals. The first and second chapters are a tutorial presentation on implantable medical devices and pacemakers from the circuit designer point of view. This is illustrated by the requirements and solutions applied in our implementation of an industrial IC for pacemakers. There from, the book discusses the means for reduction of power consumption at three levels: base technology, power-oriented analytical synthesis procedures and circuit architecture.

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