Search results for: low-power-analog-cmos-for-cardiac-pacemakers

Low Power Analog CMOS for Cardiac Pacemakers

Author : Fernando Silveira
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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.

Bio Medical CMOS ICs

Author : Hoi-Jun Yoo
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This book is based on a graduate course entitled, Ubiquitous Healthcare Circuits and Systems, that was given by one of the editors at his university. It includes an introduction and overview to the field of biomedical ICs and provides information on the current trends in research. The material focuses on the design of biomedical ICs rather than focusing on how to use prepared ICs.

Low Power Deep Sub Micron CMOS Logic

Author : P. van der Meer
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The strong interaction between the demand for increasing chip functionality and data-processing speeds, and technological trends in the integrated circuit industry, like e.g. shrinking device geometry, growing chip area and increased transistor switching speeds, cause a huge increase in power dissipation for deep sub-micron digital CMOS circuits. Low-Power Deep Sub-micron CMOS Logic, Sub-threshold Current Reduction classifies all power dissipation sources in digital CMOS circuits and provides for a systematic approach of power reduction techniques. A clear distinction has been made between power dissipated to perform a calculation in a certain time frame, i.e. functional power dissipation, and power dissipated even when a circuit is idle, i.e. parasitical power dissipation. The threshold voltage level forms an important link between the functional and the parasitical power dissipation. Since for high data-processing speeds the threshold voltage needs to be low, whereas for low sub-threshold leakage currents it needs to be high. The latter is extremely important for battery operated circuits in standby modes. Therefore, a separate classification of sub-threshold current reduction techniques is presented showing existing and new circuit topologies. Low-Power Deep Sub-micron CMOS Logic, Sub-threshold Current Reduction is a valuable book for researchers, designers as well as students in the field of low-power digital design. Power dissipation is discussed from a fundamental, quantum mechanical and a practical point of view. Theory is accompanied with practical circuit implementations and measurement results.

Low Power Low Voltage Sigma Delta Modulators in Nanometer CMOS

Author : Libin Yao
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Sigma Delta A D Conversion for Signal Conditioning

Author : Kathleen Philips
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The book gives an overview of the state-of-the-art in SigmaDelta design and of the challenges for future realizations. It provides an understanding of the fundamental power efficiency of SigmaDelta converters. In addition, it presents an analysis of the power consumption in the decimation filter. Understanding these power/performance trade-offs, it becomes clear that straight-forward digitization of a conditioning channel, i.e. exchanging analog for digital conditioning, comes at a major power penalty.

Ultra Low Power Biomedical Signal Processing

Author : Sandro Augusto Pavlik Haddad
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Often WT systems employ the discrete wavelet transform, implemented on a digital signal processor. However, in ultra low-power applications such as biomedical implantable devices, it is not suitable to implement the WT by means of digital circuitry due to the relatively high power consumption associated with the required A/D converter. Low-power analog realization of the wavelet transform enables its application in vivo, e.g. in pacemakers, where the wavelet transform provides a means to extremely reliable cardiac signal detection. In Ultra Low-Power Biomedical Signal Processing we present a novel method for implementing signal processing based on WT in an analog way. The methodology presented focuses on the development of ultra low-power analog integrated circuits that implement the required signal processing, taking into account the limitations imposed by an implantable device.

Introduction to Nanoscience and Nanotechnology

Author : Gabor L. Hornyak
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The maturation of nanotechnology has revealed it to be a unique and distinct discipline rather than a specialization within a larger field. Its textbook cannot afford to be a chemistry, physics, or engineering text focused on nano. It must be an integrated, multidisciplinary, and specifically nano textbook. The archetype of the modern nano textbook, Introduction to Nanoscience and Nanotechnology builds a solid background in characterization and fabrication methods while integrating the physics, chemistry, and biology facets. The remainder of this color text focuses on applications, examining engineering aspects as well as nanomaterials and industry-specific applications in such areas as energy, electronics, and biotechnology. Also available in two course-specific volumes: Introduction to Nanoscience elucidates the nanoscale along with the societal impacts of nanoscience, then presents an overview of characterization and fabrication methods. The authors systematically discuss the chemistry, physics, and biology aspects of nanoscience, providing a complete picture of the challenges, opportunities, and inspirations posed by each facet before giving a brief glimpse at nanoscience in action: nanotechnology. Fundamentals of Nanotechnology surveys the field’s broad landscape, exploring the physical basics such as nanorheology, nanofluidics, and nanomechanics as well as industrial concerns such as manufacturing, reliability, and safety. The authors then explore the vast range of nanomaterials and systematically outline devices and applications in various industrial sectors. Qualifying instructors who purchase either of these volumes (or the combined set) are given online access to a wealth of instructional materials. These include detailed lecture notes, review summaries, slides, exercises, and more. The authors provide enough material for both one- and two-semester courses.

Proceedings of the Tenth International Workshop on the Physics of Semiconductor Devices December 14 18 1999 New Delhi 2 2000

Author : International Workshop on the Physics of Semiconductor Devices
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Analog IC Design Techniques for Nanopower Biomedical Signal Processing

Author : Chutham Sawigun
File Size : 36.89 MB
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As the requirements for low power consumption and very small physical dimensions in portable, wearable and implantable medical devices are calling for integrated circuit design techniques using MOSFETs operating in the subthreshold regime, this book first revisits some well-known circuit techniques that use CMOS devices biased in subthreshold in order to establish nanopower integrated circuit designs. Based on the these findings, this book shows the development of a class-AB current-mode sample-and-hold circuit with an order of magnitude improvement in its figure of merit compared to other state-of-the-art designs. Also, the concepts and design procedures of 1) single-branch filters 2) follower-integrator-based lowpass filters and 3) modular transconductance reduction techniques for very low frequency filters are presented. Finally, to serve the requirement of a very large signal swing in an energy-based action potential detector, a nanopower class-AB current-mode analog multiplier is designed to handle input current amplitudes of more than 10 times the bias current of the multiplier circuit. The invented filter circuits have been fabricated in a standard 0.18 µ CMOS process in order to verify our circuit concepts and design procedures. Their experimental results are reported.

Surface Micromachined PZT Accelerometers and Low power CMOS Sensor Circuits

Author : Lei Wang
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Proceedings

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Smart Structures Devices and Systems

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Modern Cardiac Pacing

Author : S. Serge Barold
File Size : 50.97 MB
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American Book Publishing Record

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Hispanic Engineer

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NSBE

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Cardiac Pacing and Electrophysiology

Author : Nabil El-Sherif
File Size : 60.15 MB
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SBCCI 2007

Author : Antonio Petraglia
File Size : 45.12 MB
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SBCCI 2006

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The Black Collegian

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