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Handbook Of Modern Sensors

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Handbook of Modern Sensors

Handbook of Modern Sensors Book
Author : Jacob Fraden
Publisher : Springer Science & Business Media
Release : 2006-04-29
ISBN : 0387216049
Language : En, Es, Fr & De

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Book Description :

Seven years have passed since the publication of the previous edition of this book. During that time, sensor technologies have made a remarkable leap forward. The sensitivity of the sensors became higher, the dimensions became smaller, the sel- tivity became better, and the prices became lower. What have not changed are the fundamental principles of the sensor design. They are still governed by the laws of Nature. Arguably one of the greatest geniuses who ever lived, Leonardo Da Vinci, had his own peculiar way of praying. He was saying, “Oh Lord, thanks for Thou do not violate your own laws. ” It is comforting indeed that the laws of Nature do not change as time goes by; it is just our appreciation of them that is being re?ned. Thus, this new edition examines the same good old laws of Nature that are employed in the designs of various sensors. This has not changed much since the previous edition. Yet, the sections that describe the practical designs are revised substantially. Recent ideas and developments have been added, and less important and nonessential designs were dropped. Probably the most dramatic recent progress in the sensor technologies relates to wide use of MEMS and MEOMS (micro-electro-mechanical systems and micro-electro-opto-mechanical systems). These are examined in this new edition with greater detail. This book is about devices commonly called sensors. The invention of a - croprocessor has brought highly sophisticated instruments into our everyday lives.

Handbook of Modern Sensors

Handbook of Modern Sensors Book
Author : Jacob Fraden
Publisher : Springer Science & Business Media
Release : 2004
ISBN : 0387007504
Language : En, Es, Fr & De

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Book Description :

This book is about devices commonly called sensors. Digital systems, however complex and intelligent they might be, must receive information from the outside world that is generally analog and not electrical. Sensors are interface devices between various physical values and the electronic circuits who "understand" only a language of moving electrical charges. In other words, sensors are the eyes, ears, and noses of silicon chips. Unlike other books on sensors, this book is organized according to the measured variables (temperature, pressure, position, etc.) that make it much more practical and easier to read. In this new edition recent ideas and developments have been added while less important and non-essential designs were dropped. Sections on practical designs and use of the modern micro-machining technologies have been revised substantially. This book is a reference text that can be used by students, researchers interested in modern instrumentation (applied physicists and engineers), sensor designers, application engineers and technicians whose job it is to understand, select and/or design sensors for practical systems. The scope of this book is rather broad covering many different designs. Some are well known, but describing them is still useful for students and those who look for a convenient reference. It is the author's intention to present a comprehensive and up-to-date account of the theory (physical principles), design, and practical implementations of various sensors for scientific, industrial, and consumer applications.nbsp;nbsp;From the reviews:"... A very useful book ... It strikes an excellent balance between a large variety of different sensor types and moderate description of each to yield a book of reasonable length ... Provides excellent information on all types of physical measurements. I recommend it highly." Biomedical Instrumentation & Technology"Jacob Fraden has produced a valuable, single-volume reference on the devices that bridge the analog and digital worlds." Lawrence Rubin, MIT From the reviews of the third edition:"This is a weighty volume of nearly 600 pages. ... The book is undoubtedly useful as a source of reference. The large number of sensors described in it, and the consideration of underlying principles of operation should help people ... ." (Allan Hobson, Robotica, Vol. 23, 2005)"This book handles the basic and absolutely most important common areas of all sensor applications. It gives a good overview of a very wide range of sensor applications, which is not found in many other books in such a detailed form. ... This book is useful for everybody who works with any kind of measurement technique. For beginners it is a good introduction to the world of sensors. For advanced users it is a good and extensive handbook and help." (Rüdiger Frank, Analytical and Bioanalytical Chemistry, Vol. 382, 2005)"This book ... aims for breadth and to be a reasonably comprehensive account of most modern sensors. ... The Handbook is a readable reference text for researchers, graduate students and engineers ... . Don't read this book if you don't want to know how the sensors work ... . If, however you want to understand how a sensor works, the principle behind it ... or use all that sensors have to offer technically, then this book is for you." (Stephen Kukureka Fimmm, Materials World, Vol. 13 (2), February, 2005)

Handbook of Modern Sensors

Handbook of Modern Sensors Book
Author : Jacob Fraden
Publisher : American Institute of Physics
Release : 1997
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

"The Development of faster, more accurate, more sensitive sensors continues, with scientists creating and refining new ways for translating physical values into electronic information. This authoritative handbook takes readers to the cutting edge of sensor technology, providing an expert assessment of current research at the crossroads where the digital, analog, and physical worlds meet." "Written by one of the field's leading specialists, Handbook of Modern Sensors is the only book of its kind: a quick-access guide to the basic principles, design specifications, and uses of a number of important contemporary sensors and detectors. No other volume offers such a clearly written presentation of theoretical and practical information in such a streamlined format." "Handbook of Modern Sensors begins with the basic physical principles that form the foundations of sensor design, then explores the interfaces between sensors and peripheral processing devices. This paves the way for the book's survey of current sensors - coverage organized by the type of variable being measured (from acceleration to vibration). While ranging across a wide variety of devices, the book emphasizes those that are less well known, whose technology is on the rise, and whose existence is making previously inaccessible measurements possible. Thoroughly revised and updated throughout, the Second Edition features new sections on acoustic waves temperature and on temperature and chemical sensors, plus a new chapter on manufacturing methods and materials." "Handbook of Modern Sensors, with its state-of-the-art perspective, is a valuable source of information for physicists and engineering professionals. Yet its easy-going writing style, clear descriptions, and focus on the fundamentals make the book supremely accessible to students as well."--BOOK JACKET.Title Summary field provided by Blackwell North America, Inc. All Rights Reserved

Modern Sensors Handbook

Modern Sensors Handbook Book
Author : Pavel Ripka,Alois Tipek
Publisher : John Wiley & Sons
Release : 2013-03-01
ISBN : 111861478X
Language : En, Es, Fr & De

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Book Description :

Modern sensors working on new principles and/or using new materialsand technologies are more precise, faster, smaller, use less powerand are cheaper. Given these advantages, it is vitally importantfor system developers, system integrators and decision makers to befamiliar with the principles and properties of the new sensor typesin order to make a qualified decision about which sensor type touse in which system and what behavior may be expected. This type ofinformation is very difficult to acquire from existing sources, asituation this book aims to address by providing detailed coverageon this topic. In keeping with its practical theme, the discussion concentrateson sensor types used or having potential to be used in industrialapplications.

Sensor Technology Handbook

Sensor Technology Handbook Book
Author : Jon S. Wilson
Publisher : Newnes
Release : 2005
ISBN : 0750677295
Language : En, Es, Fr & De

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Book Description :

Without sensors most electronic applications would not exist they perform a vital function, namely providing an interface to the real world. The importance of sensors, however, contrasts with the limited information available on them. Today's smart sensors, wireless sensors, and microtechnologies are revolutionizing sensor design and applications. This volume is an up-to-date and comprehensive sensor reference guide to be used by engineers and scientists in industry, research, and academia to help with their sensor selection and system design. It is filled with hard-to-find information, contributed by noted engineers and companies working in the field today. The book will offer guidance on selecting, specifying, and using the optimum sensor for any given application. The editor-in-chief, Jon Wilson, has years of experience in the sensor industry and leads workshops and seminars on sensor-related topics. In addition to background information on sensor technology, measurement, and data acquisition, the handbook provides detailed information on each type of sensor technology, covering: technology fundamentals sensor types, w/ advantages/disadvantages manufacturers selecting and specifying sensors applicable standards (w/ urls of related web sites) interfacing information, with hardware and software info design techniques and tips, with design examples latest and future developments The handbook also contains information on the latest MEMS and nanotechnology sensor applications. In addition, a CD-ROM will accompany the volume containing a fully searchable pdf version of the text, along with various design tools and useful software. *the only comprehensive book on sensors available! *jam-packed with over 800 pages of techniques and tips, detailed design examples, standards, hardware and software interfacing information, and manufacturer pros/cons to help make the best sensor selection for any design *covers sensors from A to Z- from basic technological fundamentals, to cutting-edge info. on the latest MEMS and the hottest nanotechnology applications

Measurement Instrumentation and Sensors Handbook

Measurement  Instrumentation  and Sensors Handbook Book
Author : John G. Webster,Halit Eren
Publisher : CRC Press
Release : 2017-12-19
ISBN : 1351833340
Language : En, Es, Fr & De

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Book Description :

The Second Edition of the bestselling Measurement, Instrumentation, and Sensors Handbook brings together all aspects of the design and implementation of measurement, instrumentation, and sensors. Reflecting the current state of the art, it describes the use of instruments and techniques for performing practical measurements in engineering, physics, chemistry, and the life sciences and discusses processing systems, automatic data acquisition, reduction and analysis, operation characteristics, accuracy, errors, calibrations, and the incorporation of standards for control purposes. Organized according to measurement problem, the Spatial, Mechanical, Thermal, and Radiation Measurement volume of the Second Edition: Contains contributions from field experts, new chapters, and updates to all 96 existing chapters Covers instrumentation and measurement concepts, spatial and mechanical variables, displacement, acoustics, flow and spot velocity, radiation, wireless sensors and instrumentation, and control and human factors A concise and useful reference for engineers, scientists, academic faculty, students, designers, managers, and industry professionals involved in instrumentation and measurement research and development, Measurement, Instrumentation, and Sensors Handbook, Second Edition: Spatial, Mechanical, Thermal, and Radiation Measurement provides readers with a greater understanding of advanced applications.

Handbook of Optical Sensors

Handbook of Optical Sensors Book
Author : Jose Luis Santos,Faramarz Farahi
Publisher : CRC Press
Release : 2014-10-29
ISBN : 1439866864
Language : En, Es, Fr & De

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Book Description :

Handbook of Optical Sensors provides a comprehensive and integrated view of optical sensors, addressing the fundamentals, structures, technologies, applications, and future perspectives. Featuring chapters authored by recognized experts and major contributors to the field, this essential reference: Explains the basic aspects of optical sensors and

Handbook of Magnetic Measurements

Handbook of Magnetic Measurements Book
Author : Slawomir Tumanski
Publisher : CRC Press
Release : 2016-04-19
ISBN : 1439829527
Language : En, Es, Fr & De

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Book Description :

While magnetic devices are used in a range of applications, the availability of up-to-date books on magnetic measurements is quite limited. Collecting state-of-the-art knowledge from information scattered throughout the literature, Handbook of Magnetic Measurements covers a wide spectrum of topics pertaining to magnetic measurements. It describes m

Measurement Systems and Sensors Second Edition

Measurement Systems and Sensors  Second Edition Book
Author : Waldemar Nawrocki
Publisher : Artech House
Release : 2016-01-01
ISBN : 1608079333
Language : En, Es, Fr & De

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Book Description :

This thoroughly updated and expanded second edition is an authoritative resource on industrial measurement systems and sensors, with particular attention given to temperature, stress, pressure, acceleration, and liquid flow sensors. This edition includes new and expanded chapters on wireless measuring systems and measurement control and diagnostics systems in cars. Moreover, the book introduces new, cost-effective measurement technology utilizing www servers and LAN computer networks - a topic not covered in any other resource. Coverage of updated wireless measurement systems and wireless GSM/LTE interfacing make this book unique, providing in-depth, practical knowledge. Professionals learn how to connect an instrument to a computer or tablet while reducing the time for collecting and processing measurement data. This hands-on reference presents digital temperature sensors, demonstrating how to design a monitoring system with multipoint measurements. From computer-based measuring systems, electrical thermometers and pressure sensors, to conditioners, crate measuring systems, and virtual instruments, this comprehensive title offers engineers the details they need for their work in the field.

The SAGE Handbook of Remote Sensing

The SAGE Handbook of Remote Sensing Book
Author : Timothy A Warner,M Duane Nellis,Giles M Foody
Publisher : SAGE
Release : 2009-06-18
ISBN : 1446246140
Language : En, Es, Fr & De

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Book Description :

'A magnificent achievement. A who's who of contemporary remote sensing have produced an engaging, wide-ranging and scholarly review of the field in just one volume' - Professor Paul Curran, Vice-Chancellor, Bournemouth University Remote Sensing acquires and interprets small or large-scale data about the Earth from a distance. Using a wide range of spatial, spectral, temporal, and radiometric scales Remote Sensing is a large and diverse field for which this Handbook will be the key research reference. Organized in four key sections: • Interactions of Electromagnetic Radiation with the Terrestrial Environment: chapters on Visible, Near-IR and Shortwave IR; Middle IR (3-5 micrometers); Thermal IR ; Microwave • Digital sensors and Image Characteristics: chapters on Sensor Technology; Coarse Spatial Resolution Optical Sensors ; Medium Spatial Resolution Optical Sensors; Fine Spatial Resolution Optical Sensors; Video Imaging and Multispectral Digital Photography; Hyperspectral Sensors; Radar and Passive Microwave Sensors; Lidar • Remote Sensing Analysis - Design and Implementation: chapters on Image Pre-Processing; Ground Data Collection; Integration with GIS; Quantitative Models in Remote Sensing; Validation and accuracy assessment; • Remote Sensing Analysis - Applications: LITHOSPHERIC SCIENCES: chapters on Topography; Geology; Soils; PLANT SCIENCES: Vegetation; Agriculture; HYDROSPHERIC and CRYSOPHERIC SCIENCES: Hydrosphere: Fresh and Ocean Water; Cryosphere; GLOBAL CHANGE AND HUMAN ENVIRONMENTS: Earth Systems; Human Environments & Links to the Social Sciences; Real Time Monitoring Systems and Disaster Management; Land Cover Change Illustrated throughout, an essential resource for the analysis of remotely sensed data, the SAGE Handbook of Remote Sensing provides researchers with a definitive statement of the core concepts and methodologies in the discipline.

Micro Mechanical Transducers

Micro Mechanical Transducers Book
Author : Min-hang Bao
Publisher : Elsevier
Release : 2000-10-16
ISBN : 9780080524030
Language : En, Es, Fr & De

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Book Description :

Some years ago, silicon-based mechanical sensors, like pressure sensors, accelerometers and gyroscopes, started their successful advance. Every year, hundreds of millions of these devices are sold, mainly for medical and automotive applications. The airbag sensor on which research already started several decades ago at Stanford University can be found in every new car and has saved already numerous lives. Pressure sensors are also used in modern electronic blood pressure equipment. Many other mechanical sensors, mostly invisible to the public, perform useful functions in countless industrial and consumer products. The underlying physics and technology of silicon-based mechanical sensors is rather complex and is treated in numerous publications scattered throughout the literature. Therefore, a clear need existed for a handbook that thoroughly and systematically reviews the present basic knowledge on these devices. After a short introduction, Professor Bao discusses the main issues relevant to silicon-based mechanical sensors. First a thorough treatment of stress and strain in diaphragms and beams is presented. Next, vibration of mechanical structures is illuminated, followed by a chapter on air damping. These basic chapters are then succeeded by chapters in which capacitive and piezoresistive sensing techniques are amply discussed. The book concludes with chapters on commercially available pressure sensors, accelerometers and resonant sensors in which the above principles are applied. Everybody, involved in designing silicon-based mechanical sensors, will find a wealth of useful information in the book, assisting the designer in obtaining highly optimized devices.

Handbook of Optoelectronics

Handbook of Optoelectronics Book
Author : John P. Dakin,Robert G. W. Brown
Publisher : CRC Press
Release : 2017-10-05
ISBN : 1351595598
Language : En, Es, Fr & De

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Book Description :

Handbook of Optoelectronics offers a self-contained reference from the basic science and light sources to devices and modern applications across the entire spectrum of disciplines utilizing optoelectronic technologies. This second edition gives a complete update of the original work with a focus on systems and applications. Volume I covers the details of optoelectronic devices and techniques including semiconductor lasers, optical detectors and receivers, optical fiber devices, modulators, amplifiers, integrated optics, LEDs, and engineered optical materials with brand new chapters on silicon photonics, nanophotonics, and graphene optoelectronics. Volume II addresses the underlying system technologies enabling state-of-the-art communications, imaging, displays, sensing, data processing, energy conversion, and actuation. Volume III is brand new to this edition, focusing on applications in infrastructure, transport, security, surveillance, environmental monitoring, military, industrial, oil and gas, energy generation and distribution, medicine, and free space. No other resource in the field comes close to its breadth and depth, with contributions from leading industrial and academic institutions around the world. Whether used as a reference, research tool, or broad-based introduction to the field, the Handbook offers everything you need to get started. John P. Dakin, PhD, is professor (emeritus) at the Optoelectronics Research Centre, University of Southampton, UK. Robert G. W. Brown, PhD, is chief executive officer of the American Institute of Physics and an adjunct full professor in the Beckman Laser Institute and Medical Clinic at the University of California, Irvine.

Novel Sensors and Sensing

Novel Sensors and Sensing Book
Author : Roger G. Jackson
Publisher : CRC Press
Release : 2019-08-21
ISBN : 0429524978
Language : En, Es, Fr & De

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Book Description :

Over the last twenty years there has been tremendous growth in the research and development of sensors and sensor signal processing methods. Advances in materials and fabrication techniques have led to a departure from traditional sensor types and the development of novel sensing techniques and devices, many of which are now finding favor in indust

Sensors Handbook

Sensors Handbook Book
Author : Sabrie Soloman
Publisher : McGraw Hill Professional
Release : 2009-08-05
ISBN : 0071605711
Language : En, Es, Fr & De

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Book Description :

Complete, State-of-the-Art Coverage of Sensor Technologies and Applications Fully revised with the latest breakthroughs in integrated sensors and control systems, Sensors Handbook, Second Edition provides all of the information needed to select the optimum sensor for any type of application, including engineering, semiconductor manufacturing, medical, military, agricultural, geographical, and environmental implementations. This definitive volume discusses a wide array of sensors, including MEMS, nano, microfabricated, CMOS, smart, NIR, SpectRx(tm), remote-sensing, fiber-optic, light, ceramic, and silicon sensors. Several in-depth application examples from a variety of industries are included. The comprehensive details in this authoritative resource enable you to accurately verify the specifications for any required component. This is the most through, up-to-date reference on sensing technologies available.

Handbook on Array Processing and Sensor Networks

Handbook on Array Processing and Sensor Networks Book
Author : Simon Haykin,K. J. Ray Liu
Publisher : John Wiley & Sons
Release : 2010-02-12
ISBN : 9780470487051
Language : En, Es, Fr & De

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Book Description :

A handbook on recent advancements and the state of the art in array processing and sensor Networks Handbook on Array Processing and Sensor Networks provides readers with a collection of tutorial articles contributed by world-renowned experts on recent advancements and the state of the art in array processing and sensor networks. Focusing on fundamental principles as well as applications, the handbook provides exhaustive coverage of: wavelets; spatial spectrum estimation; MIMO radio propagation; robustness issues in sensor array processing; wireless communications and sensing in multi-path environments using multi-antenna transceivers; implicit training and array processing for digital communications systems; unitary design of radar waveform diversity sets; acoustic array processing for speech enhancement; acoustic beamforming for hearing aid applications; undetermined blind source separation using acoustic arrays; array processing in astronomy; digital 3D/4D ultrasound imaging technology; self-localization of sensor networks; multi-target tracking and classification in collaborative sensor networks via sequential Monte Carlo; energy-efficient decentralized estimation; sensor data fusion with application to multi-target tracking; distributed algorithms in sensor networks; cooperative communications; distributed source coding; network coding for sensor networks; information-theoretic studies of wireless networks; distributed adaptive learning mechanisms; routing for statistical inference in sensor networks; spectrum estimation in cognitive radios; nonparametric techniques for pedestrian tracking in wireless local area networks; signal processing and networking via the theory of global games; biochemical transport modeling, estimation, and detection in realistic environments; and security and privacy for sensor networks. Handbook on Array Processing and Sensor Networks is the first book of its kind and will appeal to researchers, professors, and graduate students in array processing, sensor networks, advanced signal processing, and networking.

Handbook of Humidity Measurement Volume 1

Handbook of Humidity Measurement  Volume 1 Book
Author : Ghenadii Korotcenkov
Publisher : CRC Press
Release : 2018-03-15
ISBN : 1351400657
Language : En, Es, Fr & De

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Book Description :

The first volume of The Handbook of Humidity Measurement focuses on the review of devices based on optical principles of measurement such as optical UV, fluorescence hygrometers, optical and fiber-optic sensors of various types. Numerous methods for monitoring the atmosphere have been developed in recent years, based on measuring the absorption of electromagnetic field in different spectral ranges. These methods, covering the optical (FTIR and Lidar techniques), as well as a microwave and THz ranges are discussed in detail in this volume. The role of humidity-sensitive materials in optical and fiber-optic sensors is also detailed. This volume describes the reasons for controlling the humidity, features of water and water vapors, and units used for humidity measurement.

Handbook of Force Transducers

Handbook of Force Transducers Book
Author : Dan Mihai Stefanescu
Publisher : Springer Science & Business Media
Release : 2011-03-16
ISBN : 3642182968
Language : En, Es, Fr & De

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Book Description :

Part I introduces the basic "Principles and Methods of Force Measurement" according to a classification into a dozen of force transducers types: resistive, inductive, capacitive, piezoelectric, electromagnetic, electrodynamic, magnetoelastic, galvanomagnetic (Hall-effect), vibrating wires, (micro)resonators, acoustic and gyroscopic. Two special chapters refer to force balance techniques and to combined methods in force measurement. Part II discusses the "(Strain Gauge) Force Transducers Components", evolving from the classical force transducer to the digital / intelligent one, with the incorporation of three subsystems (sensors, electromechanics and informatics). The elastic element (EE) is the "heart" of the force transducer and basically determines its performance. A 12-type elastic element classification is proposed (stretched / compressed column or tube, bending beam, bending and/or torsion shaft, middle bent bar with fixed ends, shear beam, bending ring, yoke or frame, diaphragm, axial-stressed torus, axisymmetrical and voluminous EE), with emphasis on the optimum location of the strain gauges. The main properties of the associated Wheatstone bridge, best suited for the parametrical transducers, are examined, together with the appropriate electronic circuits for SGFTs. The handbook fills a gap in the field of Force Measurement, both experts and newcomers, no matter of their particular interest, finding a lot of useful and valuable subjects in the area of Force Transducers; in fact, it is the first specialized monograph in this inter- and multidisciplinary field.

Transducer Interfacing Handbook

Transducer Interfacing Handbook Book
Author : Analog Devices, inc
Publisher : Analog Devices Incorporated
Release : 1980
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

The tranducer as a circuit element. Interfacing considerations - bridges. Interfacing considerations - interference. Amplifiers and signal translation. Offseting and linearizing. Overall considerations. 2 interface-design examples. Thermoswitches and thermocouples. Resistance temperature detectors (RTDs). Thermistor interfacing. Semiconductor temperature transducers. Pressure-transducer interfacing. Force-transducer interfacing. Flowmeter interfacing. Interfacing level transducers. Application miscellany.

Electronic Circuits

Electronic Circuits Book
Author : Ulrich Tietze,Christoph Schenk,Eberhard Gamm
Publisher : Springer
Release : 2015-12-09
ISBN : 3540786554
Language : En, Es, Fr & De

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Book Description :

Electronic Circuits covers all important aspects and applications of modern analog and digital circuit design. The basics, such as analog and digital circuits, on operational amplifiers, combinatorial and sequential logic and memories, are treated in Part I, while Part II deals with applications. Each chapter offers solutions that enable the reader to understand ready-made circuits or to proceed quickly from an idea to a working circuit, and always illustrated by an example. Analog applications cover such topics as analog computing circuits. The digital sections deal with AD and DA conversion, digital computing circuits, microprocessors and digital filters. This editions contains the basic electronics for mobile communications. The accompanying CD-ROM contains PSPICE software, an analog-circuit-simulation package, plus simulation examples and model libraries related to the book topics.

Handbook of Terahertz Technologies

Handbook of Terahertz Technologies Book
Author : Ho-Jin Song,Tadao Nagatsuma
Publisher : CRC Press
Release : 2015-04-15
ISBN : 9814613096
Language : En, Es, Fr & De

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Book Description :

Terahertz waves, which lie in the frequency range of 0.1–10 THz, have long been investigated in a few limited fields, such as astronomy, because of a lack of devices for their generation and detection. Several technical breakthroughs made over the last couple of decades now allow us to radiate and detect terahertz waves more easily, which has triggered the search for new uses of terahertz waves in many fields, such as bioscience, security, and information and communications technology. The book covers some of the technical breakthroughs in terms of device technologies. It discusses not only the theoretical details and typical features of the technology described, but also some issues and challenges related to it. In addition, it is shown what can actually be done with the terahertz-wave technologies by introducing several successful demonstrations, such as wireless communications, industrial uses, remote sensing, chemical analysis, and 2D/3D imaging.