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Design Of Analog Cmos Circuits For Batteryless Implantable Telemetry Systems
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Book Synopsis Design of Analog CMOS Circuits for Batteryless Implantable Telemetry Systems by : Kyle Gregory Angelo De Gannes
Download or read book Design of Analog CMOS Circuits for Batteryless Implantable Telemetry Systems written by Kyle Gregory Angelo De Gannes and published by . This book was released on 2014 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: A wireless biomedical telemetry system is a device that collects biomedical signal measurements and transmits data through wireless RF communication. Testing medical treatments often involves experimentation on small laboratory animals, such as genetically modified mice and rats. Using batteries as a power source results in many practical issues, such as increased size of the implant and limited operating lifetime. Wireless power harvesting for implantable biomedical devices removes the need for batteries integrated into the implant. This will reduce device size and remove the need for surgical replacement due to battery depletion. Resonant inductive coupling achieves wireless power transfer in a manner modelled by a step down transformer. With this methodology, power harvesting for an implantable device is realized with the use of a large primary coil external to the subject, and a smaller secondary coil integrated into the implant. The signal received from the secondary coil must be regulated to provide a stable direct current (DC) power supply, which will be used to power the electronics in the implantable device. The focus of this work is on development of an electronic front-end for wireless powering of an implantable biomedical device. The energy harvesting front-end circuit is comprised of a rectifier, LDO regulator, and a temperature insensitive voltage reference. Physical design of the front-end circuit is developed in 0.13um CMOS technology with careful attention to analog layout issues. Post-layout simulation results are presented for each sub-block as well as the full front-end structure. The LDO regulator operates with supply voltages in the range of 1V to 1.5V with quiescent current of 10.5uA The complete power receiver front-end has a power conversion efficiency of up to 29%.
Book Synopsis Analog Block Circuits for Batteryless Implantable Telemetry Systems by : Lijun Luo
Download or read book Analog Block Circuits for Batteryless Implantable Telemetry Systems written by Lijun Luo and published by . This book was released on 2011 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Magnetic Sensors and Actuators in Medicine by : Horia Chiriac
Download or read book Magnetic Sensors and Actuators in Medicine written by Horia Chiriac and published by Woodhead Publishing. This book was released on 2023-07-15 with total page 475 pages. Available in PDF, EPUB and Kindle. Book excerpt: Magnetic Sensors and Actuators in Medicine: Materials, Devices, and Applications provides an overview of the various sensors and actuators, their characteristics, role in the development of medical applications, the medical problems they solve, and future directions. The book brings together recent advances in the physics, chemistry and engineering of magnetic materials related to sensors and actuators that improve their functions in medical applications. The book describes the main applications of magnetic sensors and actuators, starting from the common and emerging magnetic materials, their principles of operation, the medical problems that they are used to address, and the latest achievements in the field. Reviews a wide range of magnetic sensors and actuators employed in medical applications such as diagnosis, surgery and therapy Describes magnetic material-based sensors and actuators, including their operation principles, properties and optimization for specific applications Includes examples of recent advances, such as emerging magnetic materials, magnetic nanowires, nanorods and/or nanotubes
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 and published by Springer Science & Business Media. This book was released on 2004-01-31 with total page 242 pages. 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.
Book Synopsis Energy Harvesting with Functional Materials and Microsystems by : Madhu Bhaskaran
Download or read book Energy Harvesting with Functional Materials and Microsystems written by Madhu Bhaskaran and published by CRC Press. This book was released on 2017-12-19 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: For decades, people have searched for ways to harvest energy from natural sources. Lately, a desire to address the issue of global warming and climate change has popularized solar or photovoltaic technology, while piezoelectric technology is being developed to power handheld devices without batteries, and thermoelectric technology is being explored to convert wasted heat, such as in automobile engine combustion, into electricity. Featuring contributions from international researchers in both academics and industry, Energy Harvesting with Functional Materials and Microsystems explains the growing field of energy harvesting from a materials and device perspective, with resulting technologies capable of enabling low-power implantable sensors or a large-scale electrical grid. In addition to the design, implementation, and components of energy-efficient electronics, the book covers current advances in energy-harvesting materials and technology, including: High-efficiency solar technologies with lower cost than existing silicon-based photovoltaics Novel piezoelectric technologies utilizing mechanical energy from vibrations and pressure The ability to harness thermal energy and temperature profiles with thermoelectric materials Whether you’re a practicing engineer, academician, graduate student, or entrepreneur looking to invest in energy-harvesting devices, this book is your complete guide to fundamental materials and applied microsystems for energy harvesting.
Book Synopsis High-Density Integrated Electrocortical Neural Interfaces by : Sohmyung Ha
Download or read book High-Density Integrated Electrocortical Neural Interfaces written by Sohmyung Ha and published by Academic Press. This book was released on 2019-08-03 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: High-Density Integrated Electrocortical Neural Interfaces provides a basic understanding, design strategies and implementation applications for electrocortical neural interfaces with a focus on integrated circuit design technologies. A wide variety of topics associated with the design and application of electrocortical neural implants are covered in this book. Written by leading experts in the field— Dr. Sohmyung Ha, Dr. Chul Kim, Dr. Patrick P. Mercier and Dr. Gert Cauwenberghs —the book discusses basic principles and practical design strategies of electrocorticography, electrode interfaces, signal acquisition, power delivery, data communication, and stimulation. In addition, an overview and critical review of the state-of-the-art research is included. These methodologies present a path towards the development of minimally invasive brain-computer interfaces capable of resolving microscale neural activity with wide-ranging coverage across the cortical surface. Written by leading researchers in electrocorticography in brain-computer interfaces Offers a unique focus on neural interface circuit design, from electrode to interface, circuit, powering, communication and encapsulation Covers the newest ECoG interface systems and electrode interfaces for ECoG and biopotential sensing
Book Synopsis IEEE Transactions on Circuits and Systems by :
Download or read book IEEE Transactions on Circuits and Systems written by and published by . This book was released on 2005 with total page 1620 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Wireless Microsystem for Multichannel Neural Recording Microprobes by : Hao Yu
Download or read book A Wireless Microsystem for Multichannel Neural Recording Microprobes written by Hao Yu and published by . This book was released on 2004 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Novel Advances in Microsystems Technologies and Their Applications by : Laurent A. Francis
Download or read book Novel Advances in Microsystems Technologies and Their Applications written by Laurent A. Francis and published by CRC Press. This book was released on 2017-07-28 with total page 621 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microsystems technologies have found their way into an impressive variety of applications, from mobile phones, computers, and displays to smart grids, electric cars, and space shuttles. This multidisciplinary field of research extends the current capabilities of standard integrated circuits in terms of materials and designs and complements them by creating innovative components and smaller systems that require lower power consumption and display better performance. Novel Advances in Microsystems Technologies and their Applications delves into the state of the art and the applications of microsystems and microelectronics-related technologies. Featuring contributions by academic and industrial researchers from around the world, this book: Examines organic and flexible electronics, from polymer solar cell to flexible interconnects for the co-integration of micro-electromechanical systems (MEMS) with complementary metal oxide semiconductors (CMOS) Discusses imaging and display technologies, including MEMS technology in reflective displays, the fabrication of thin-film transistors on glass substrates, and new techniques to display and quickly transmit high-quality images Explores sensor technologies for sensing electrical currents and temperature, monitoring structural health and critical industrial processes, and more Covers biomedical microsystems, including biosensors, point-of-care devices, neural stimulation and recording, and ultra-low-power biomedical systems Written for researchers, engineers, and graduate students in electrical and biomedical engineering, this book reviews groundbreaking technology, trends, and applications in microelectronics. Its coverage of the latest research serves as a source of inspiration for anyone interested in further developing microsystems technologies and creating new applications.
Book Synopsis Wireless Power Transfer and Data Communication for Intracranial Neural Recording Applications by : Kerim Türe
Download or read book Wireless Power Transfer and Data Communication for Intracranial Neural Recording Applications written by Kerim Türe and published by Springer Nature. This book was released on 2020-03-04 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes new circuits and systems for implantable wireless neural monitoring systems and explains the design of a batteryless, remotely-powered implantable micro-system, designed for continuous neural monitoring. Following new trends in implantable biomedical applications, the authors demonstrate a system which is capable of efficient remote powering and reliable data communication. Novel architecture and design methodologies are used for low power and small area wireless communication link. Additionally, hermetically sealed packaging and in-vivo validation of the implantable device is presented.
Book Synopsis Advances in Bioengineering by : Pier Andrea Serra
Download or read book Advances in Bioengineering written by Pier Andrea Serra and published by BoD – Books on Demand. This book was released on 2015-07-08 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: The technological approach and the high level of innovation make bioengineering extremely dynamic and this forces researchers to continuous updating. It involves the publication of the results of the latest scientific research. This book covers a wide range of aspects and issues related to advances in bioengineering research with a particular focus on innovative technologies and applications. The book consists of 13 scientific contributions divided in four sections: Materials Science; Biosensors. Electronics and Telemetry; Light Therapy; Computing and Analysis Techniques.
Author :Jordi Colomer-Farrarons Publisher :Springer Science & Business Media ISBN 13 :9400706863 Total Pages :169 pages Book Rating :4.4/5 (7 download)
Book Synopsis A CMOS Self-Powered Front-End Architecture for Subcutaneous Event-Detector Devices by : Jordi Colomer-Farrarons
Download or read book A CMOS Self-Powered Front-End Architecture for Subcutaneous Event-Detector Devices written by Jordi Colomer-Farrarons and published by Springer Science & Business Media. This book was released on 2011-02-17 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt: A CMOS Self-Powered Front-End Architecture for Subcutaneous Event-Detector Devices presents the conception and prototype realization of a Self-Powered architecture for subcutaneous detector devices. The architecture is designed to work as a true/false (event detector) or threshold level alarm of some substances, ions, etc... that are detected through a three-electrodes amperometric BioSensor approach. The device is envisaged as a Low-Power subcutaneous implantable application powered by an inductive link, one emitter antenna at the external side of the skin and the receiver antenna under the skin. The sensor is controlled with a Potentiostat circuit and then, a post-processing unit detects the desired levels and activates the transmission via a backscattering method by the inductive link. All the instrumentation, except the power module, is implemented in the so called BioChip. Following the idea of the powering link to harvest energy of the magnetic induced link at the implanted device, a Multi-Harvesting Power Chip (MHPC) has been also designed.
Book Synopsis CMOS Circuits for Passive Wireless Microsystems by : Fei Yuan
Download or read book CMOS Circuits for Passive Wireless Microsystems written by Fei Yuan and published by Springer Science & Business Media. This book was released on 2010-10-28 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive treatment of CMOS circuits for passive wireless microsystems. Major topics include: an overview of passive wireless microsystems, design challenges of passive wireless microsystems, fundamental issues of ultra-low power wireless communications, radio-frequency power harvesting, ultra-low power modulators and demodulators, ultra-low power temperature-compensated current and voltage references, clock generation and remote calibration, and advanced design techniques for ultra low-power analog signal processing.
Download or read book Analog VLSI written by Shih-Chii Liu and published by MIT Press. This book was released on 2002 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt: An introduction to the design of analog VLSI circuits. Neuromorphic engineers work to improve the performance of artificial systems through the development of chips and systems that process information collectively using primarily analog circuits. This book presents the central concepts required for the creative and successful design of analog VLSI circuits. The discussion is weighted toward novel circuits that emulate natural signal processing. Unlike most circuits in commercial or industrial applications, these circuits operate mainly in the subthreshold or weak inversion region. Moreover, their functionality is not limited to linear operations, but also encompasses many interesting nonlinear operations similar to those occurring in natural systems. Topics include device physics, linear and nonlinear circuit forms, translinear circuits, photodetectors, floating-gate devices, noise analysis, and process technology.
Author :Koenraad van Schuylenbergh Publisher :Springer Science & Business Media ISBN 13 :9048124123 Total Pages :223 pages Book Rating :4.0/5 (481 download)
Book Synopsis Inductive Powering by : Koenraad van Schuylenbergh
Download or read book Inductive Powering written by Koenraad van Schuylenbergh and published by Springer Science & Business Media. This book was released on 2009-05-31 with total page 223 pages. Available in PDF, EPUB and Kindle. Book excerpt: Inductive powering has been a reliable and simple method for many years to wirelessly power devices over relatively short distances, from a few centimetres to a few feet. Examples are found in biomedical applications, such as cochlear implants; in RFID, such as smart cards for building access control; and in consumer devices, such as electrical toothbrushes. Device sizes shrunk considerably the past decades, demanding accurate design tools to obtain reliable link operation in demanding environments. With smaller coil sizes, the link efficiency drops dramatically to a point where the commonly used calculation methods become invalid. Inductive Powering: Basic Theory and Application to Biomedical Systems lists all design equations and topology alternatives to successfully build an inductive power and data link for your specific application. It also contains practical guidelines to expand the external driver with a servomechanism that automatically tunes itself to varying coupling and load conditions.
Book Synopsis Low-power Wearable Healthcare Sensors by : R. Simon Sherratt
Download or read book Low-power Wearable Healthcare Sensors written by R. Simon Sherratt and published by MDPI. This book was released on 2020-12-29 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in technology have produced a range of on-body sensors and smartwatches that can be used to monitor a wearer’s health with the objective to keep the user healthy. However, the real potential of such devices not only lies in monitoring but also in interactive communication with expert-system-based cloud services to offer personalized and real-time healthcare advice that will enable the user to manage their health and, over time, to reduce expensive hospital admissions. To meet this goal, the research challenges for the next generation of wearable healthcare devices include the need to offer a wide range of sensing, computing, communication, and human–computer interaction methods, all within a tiny device with limited resources and electrical power. This Special Issue presents a collection of six papers on a wide range of research developments that highlight the specific challenges in creating the next generation of low-power wearable healthcare sensors.
Book Synopsis Energy Harvesting Systems by : Tom J. Kaźmierski
Download or read book Energy Harvesting Systems written by Tom J. Kaźmierski and published by Springer Science & Business Media. This book was released on 2010-11-01 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt: Kinetic energy harvesting converts movement or vibrations into electrical energy, enables battery free operation of wireless sensors and autonomous devices and facilitates their placement in locations where replacing a battery is not feasible or attractive. This book provides an introduction to operating principles and design methods of modern kinetic energy harvesting systems and explains the implications of harvested power on autonomous electronic systems design. It describes power conditioning circuits that maximize available energy and electronic systems design strategies that minimize power consumption and enable operation. The principles discussed in the book will be supported by real case studies such as battery-less monitoring sensors at water waste processing plants, embedded battery-less sensors in automotive electronics and sensor-networks built with ultra-low power wireless nodes suitable for battery-less applications.
