Environ Stabilized Voltage References
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Environ Stabilized Voltage References
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Author : Kee-Chee Tiew
language : en
Publisher:
Release Date : 2003
Environ Stabilized Voltage References written by Kee-Chee Tiew and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
A new design approach for high performance voltage references has been developed. This approach exploits the inflection point property of a first-order voltage reference where the temperature derivative is zero at a temperature in the range of interest. By creating an ordered family of these references with the corresponding inflection points distributed across a wide temperature range and using a temperature trigger to continuously transition between these references, a highly accurate wide temperature range voltage reference is realizable. The resultant voltage references that have an output voltage that has been stabilized to temperature changes in the environment are termed "environ-stabilized" voltage reference. The implementation of an environ-stabilized voltage reference using this approach is verified through both transistor level and behavioral simulations. The implementation of a 3-family reference predicts an error voltage of less than 180[mu]V for a temperature between - 40°C and 100°C. This is equivalent to a temperature coefficient of 1.06ppm/0C. Further reductions in the equivalent temperature coefficient are possible if the number of members in the family is increased. The performance degradation of the environ-stabilized voltage references due to process variations was also studied. A self-calibration scheme has been introduced to correct errors introduced by process variations. The result suggests the environ-stabilized reference approach can be used for the realization of highly accurate voltage references that operate over a wide temperature range throughout a wide range of the process variations.
Automation And Environmental Control In Plant Tissue Culture
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Author : Jenny Aitken-Christie
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-29
Automation And Environmental Control In Plant Tissue Culture written by Jenny Aitken-Christie and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-29 with Science categories.
Automation and Environmental Control in Plant Tissue Culture rigorously explores the new challenges faced by modern plant tissue culture researchers and producers worldwide: issues of cost efficiency, automation, control, and optimization of the in vitro microenvironment. This book achieves a critical balance between the economic, engineering and biological viewpoints, and presents well-balanced, unique, and clearly organized perspectives on current initiatives in the tissue culture arena. Each chapter offers guidelines leading towards an exhaustive, unprecedented level of control over in vitro growth, based on emerging technologies of robotics, machine vision, environmental sensors and regulation, and systems analysis. Unlike other tissue culture books which focus on specific crops and techniques, this book spans the broad range of major tissue culture production systems, and advances evidence on how some underrated aspects of the process actually determine the status of the end product. Key researchers from industry and academia have joined to give up-to-date research evidence and analysis. The collection comprises an essential reference for industrial-scale tissue culture producers, as well as any researcher interested in optimizing in vitro production.
Sensors For Environmental Control
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Author : Pietro Siciliano
language : en
Publisher: World Scientific
Release Date : 2003
Sensors For Environmental Control written by Pietro Siciliano and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Computers categories.
This manual contains updated results of both theoretical and applied research in the field of sensors and methods for environmental control, mainly with regard to the detection of pollutant species in gaseous and liquid ambients. The papers are taken from the International Workshop on Sensors for Environmental Control, held in Italy in 2002. The main arguments are related to: the development of new nanostructured materials as sensing layers and new detection mechanisms; the development of micro- and nano-systems and their integration in miniaturised instruments; and the application of innovative devices in the detection of contaminant chemical species and their monitoring.
Structured Electronic Design
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Author : Arie van Staveren
language : en
Publisher: Springer Science & Business Media
Release Date : 2001
Structured Electronic Design written by Arie van Staveren and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Science categories.
Analog design still has, unfortunately, a flavor of art. Art can be beautiful. However, art in itself is difficult to teach to students and difficult to transfer from experienced analog designers to new trainee designers in companies. Structured Electronic Design: High-Performance Harmonic Oscillators and Bandgap References aims to systemize analog design. The use of orthogonalization of the design of the fundamental quality aspects (noise, distortion, and bandwidth) and hierarchy in the subsequent design steps, enables designers to achieve high-performance designs, in a relatively short time. As a result of the systematic design procedure, the effect of design decisions on the circuit performance is made clear. Additionally, the use of resources for reaching a specified performance is tracked. This book, therefore, describes the structured electronic design of high-performance harmonic oscillators and bandgap references. The structured design of harmonic oscillators includes the maximization of the carrier-to- noise ratio by means of tapping, i.e. an impedance adaption method for noise matching. The bandgap reference, a popular implementation of a voltage reference, is studied via the unusual concept of the linear combination of base-emitter voltages. The presented method leads to the design of high-performance references in CMOS and Bipolar technology. Using this concept, on a high level of abstraction the quality with respect to, for instance, noise and power-supply rejection can be identified. In this book, it is shown with several design examples that this method provides an excellent starting point for the design of high-performance bandgap references. Auxiliary to the harmonic-oscillator and bandgap reference design are the negative- feedback amplifiers. In this book the systematic design of the dynamic behavior is emphasized. By means of the identification of the dominant poles, it is possible to give an upper limit of the attainable bandwidth, even before the real frequency compensation is accomplished. Structured Electronic Design: High-Performance Harmonic Oscillators and Bandgap References is a valuable book for researchers and designers, as well as students in the field of analog design. It helps both the experienced and trainee designer to come to grips with the design of analog circuits. The presented method is illustrated by several well- described design examples.
Handbook Preferred Circuits Semiconductor Device Circuits
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Author : United States. National Bureau of Standards. Instrumentation Division
language : en
Publisher:
Release Date : 1964
Handbook Preferred Circuits Semiconductor Device Circuits written by United States. National Bureau of Standards. Instrumentation Division and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Electronic apparatus and appliances categories.
Voltage Stabilization
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Author : Frank Atkinson Benson
language : en
Publisher:
Release Date : 1965
Voltage Stabilization written by Frank Atkinson Benson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with Electric controllers categories.
Current Sources And Voltage References
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Author : Linden T. Harrison
language : en
Publisher: Elsevier
Release Date : 2005-08-22
Current Sources And Voltage References written by Linden T. Harrison and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-08-22 with Technology & Engineering categories.
Current Sources and Voltage References provides fixed, well-regulated levels of current or voltage within a circuit. These are two of the most important “building blocks “ of analog circuits, and are typically used in creating most analog IC designs. Part 1 shows the reader how current sources are created, how they can be optimized, and how they can be utilized by the OEM circuit designer. The book serves as a “must-have reference for the successful development of precision circuit applications. It shows practical examples using either BJTs, FETs, precision op amps, or even matched CMOS arrays being used to create highly accurate current source designs, ranging from nanoAmps to Amps. In each chapter the most important characteristics of the particular semiconductor type being studied are carefully reviewed. This not only serves as a helpful refresher for experienced engineers, but also as a good foundation for all EE student coursework, and includes device models and relevant equations. Part 2 focuses on semiconductor voltage references, from their design to their various practical enhancements. It ranges from the simple Zener diode to today’s most advanced topologies, including Analog Devices’ XFET® and Intersil’s FGATM (invented while this book was being written). Over 300 applications and circuit diagrams are shown throughout this easy-to-read, practical reference book. * Discusses how to design low-noise, precision current sources using matched transistor pairs. * Explains the design of high power current sources with power MOSFETs * Gives proven techniques to reduce drift and improve accuracy in voltage references.
Analog Circuits And Systems For Voltage Mode And Current Mode Sensor Interfacing Applications
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Author : Andrea De Marcellis
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-06-29
Analog Circuits And Systems For Voltage Mode And Current Mode Sensor Interfacing Applications written by Andrea De Marcellis and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-06-29 with Technology & Engineering categories.
Analog CMOS Microelectronic Circuits describes novel approaches for analog electronic interfaces design, especially for resistive and capacitive sensors showing a wide variation range, with the intent to cover a lack of solutions in the literature. After an initial description of sensors and main definitions, novel electronic circuits, which do not require any initial calibrations, are described; they show both AC and DC excitation voltage for the employed sensor, and use both voltage-mode and current-mode approaches. The proposed interfaces can be realized both as prototype boards, for fast characterization (in this sense, they can be easily implemented by students and researchers), and as integrated circuits, using modern low-voltage low-power design techniques (in this case, specialist analog microelectronic researchers will find them useful). The primary audience of Analog CMOS Microelectronic Circuits are: analog circuit designers, sensor companies, Ph.D. students on analog microelectronics, undergraduate and postgraduate students in electronic engineering.
Voltage Stabilized Supplies
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Author : Frank Atkinson Benson
language : en
Publisher:
Release Date : 1957
Voltage Stabilized Supplies written by Frank Atkinson Benson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1957 with Voltage regulators categories.
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Author :
language : en
Publisher: Delene Kvasnicka
Release Date :
written by and has been published by Delene Kvasnicka this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.