Conducted Emc Modeling And Emi Filter Design Integrated Class D Amplifiers And Power Converters

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Conducted EMC Modeling and EMI Filter Design Integrated Class-D Amplifiers and Power Converters

Author : Roberto Mrad
Publisher :
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.:/5 (93 download)

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Book Synopsis Conducted EMC Modeling and EMI Filter Design Integrated Class-D Amplifiers and Power Converters by : Roberto Mrad

Download or read book Conducted EMC Modeling and EMI Filter Design Integrated Class-D Amplifiers and Power Converters written by Roberto Mrad and published by . This book was released on 2014 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Switching power management circuits are widely used in battery powered embedded applications in order to increase their autonomy. In particular, for audio applications, Class-D amplifiers are a widespread industrial solution. These, have a similar architecture of a buck converter but having the audio signal as reference. The switching nature of these devices allows us to increase significantly the power efficiency compared to linear audio amplifiers without reducing the audio quality. However, because of the switching behavior, Class-D amplifiers have high levels of electromagnetic (EM) emissions which can disturb the surrounding electronics or might not comply with electromagnetic compatibility (EMC) standards. To overcome this problem much architecture appeared in the state of the art that reduces the emissions, however, this has never been enough to remove electromagnetic interference (EMI) filters. It is then useful to optimize these filters, thus, it has been set as the goal of this PhD thesis. The latter has been divided to four main axes which can be resumed by the following. First, this work started by developing a frequency domain modeling method in order to simulate and predict the EMI of Class-D amplifiers in the final application. The method is based on system to block decomposition and impedance matrix modeling and manipulation. After providing all the theoretical background, the method has been validated on integrated differential Class-D amplifier. The experimental measurements have permitted to validate the method only up to 100MHz. However, this is sufficient to cover the conducted EMC frequency band. Second, the EMI at the supply rails of Class-D amplifiers has been treated. As the battery is often the same power supply for all applications in an embedded system, an EMI filter or a decoupling capacitor is needed to prevent the noise coupling by common impedance. Designing this filter needs the knowledge of the battery impedance at the desired frequencies. Therefore the present work dealt also with measuring the high frequency impedance of a battery. Afterwards, an experimental validation has been carried on with a DC-DC converter and a Class-D amplifier. The developed model allows a virtual test of the switching device in the final application. However, it is more useful if the model is able to help the system integrator in designing filters. Thus, third, the model has been implemented in an optimization loop based on a genetic algorithm in order to optimize the filter response, and also, reduce the additional power losses introduced by an EMI filter. The optimization search space has been limited to the components available on the market and the optimization result is given as component references of the optimal filter referring to the optimal solution found. This procedure has been validated experimentally. Finally, EMI filters often are constituted by magnetic components such as ferrite beads or inductors with magnetic cores. Thus, introducing the EMI filter in the audio path, adds a nonlinear behavior in the audio frequency band. Designing a high quality EMI filter require taking into account this phenomenon and studying its impact of the original amplifier audio performance. Therefore, the Jiles-Atherton model for magnetic materials has been used for ferrite bead modeling. Hereafter, the impact on the time and frequency domain signals has been simulated and compared to measurements. Finally, the total harmonic distortion (THD) has been computed for different signal amplitudes and compared to the THD measured using an audio analyzer. Accurate results have been obtained on a wide range of signal amplitudes. As a conclusion, this work aimed to design optimal EMI filters for Class-D amplifiers. Thus, we dealt with improving their EMI response, reducing their additional power losses and evaluating their impact on the audio quality.

EMI Filter Design

Author : Richard Lee Ozenbaugh
Publisher : CRC Press
ISBN 13 : 1351833006
Total Pages : 274 pages
Book Rating : 4.3/5 (518 download)

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Book Synopsis EMI Filter Design by : Richard Lee Ozenbaugh

Download or read book EMI Filter Design written by Richard Lee Ozenbaugh and published by CRC Press. This book was released on 2017-12-19 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: With today’s electrical and electronics systems requiring increased levels of performance and reliability, the design of robust EMI filters plays a critical role in EMC compliance. Using a mix of practical methods and theoretical analysis, EMI Filter Design, Third Edition presents both a hands-on and academic approach to the design of EMI filters and the selection of components values. The design approaches covered include matrix methods using table data and the use of Fourier analysis, Laplace transforms, and transfer function realization of LC structures. This edition has been fully revised and updated with additional topics and more streamlined content. New to the Third Edition Analysis techniques necessary for passive filter realization Matrix method and transfer function analysis approaches for LC filter structure design A more hands-on look at EMI filters and the overall design process Through this bestselling book’s proven design methodology and practical application of formal techniques, readers learn how to develop simple filter solutions. The authors examine the causes of common- and differential-mode noise and methods of elimination, the source and load impedances for various types of input power interfaces, and the load impedance aspect of EMI filter design. After covering EMI filter structures, topologies, and components, they provide insight into the sizing of components and protection from voltage transients, discuss issues that compromise filter performance, and present a goal for a filter design objective. The text also includes a matrix method for filter design, explains the transfer function method of LC structures and their equivalent polynomials, and gives a circuit design example and analysis techniques. The final chapter presents packaging solutions of EMI filters.

Electromagnetic Interference and Electromagnetic Compatibility

Author : L. Ashok Kumar
Publisher : CRC Press
ISBN 13 : 1000959341
Total Pages : 471 pages
Book Rating : 4.0/5 (9 download)

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Book Synopsis Electromagnetic Interference and Electromagnetic Compatibility by : L. Ashok Kumar

Download or read book Electromagnetic Interference and Electromagnetic Compatibility written by L. Ashok Kumar and published by CRC Press. This book was released on 2023-10-02 with total page 471 pages. Available in PDF, EPUB and Kindle. Book excerpt: • Discusses about the basic principles of EMI/EMC including causes and events. • Makes reader understand the problems in different applications because of EMI/EMC and the reducing methods. • Explores real-world case studies with code to provide hands-on experience. • Reviews design strategies for mitigation of noise. • Includes MATLAB, PSPICE, ADS simulations for designing EMI Filter circuits.

Advancements in Automation and Control Technologies

Author : Sarojini Selvaperumal
Publisher : Trans Tech Publications Ltd
ISBN 13 : 3038265071
Total Pages : 880 pages
Book Rating : 4.0/5 (382 download)

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Book Synopsis Advancements in Automation and Control Technologies by : Sarojini Selvaperumal

Download or read book Advancements in Automation and Control Technologies written by Sarojini Selvaperumal and published by Trans Tech Publications Ltd. This book was released on 2014-06-18 with total page 880 pages. Available in PDF, EPUB and Kindle. Book excerpt: Collection of selected, peer reviewed papers from the 2014 International Conference on Advancements in Automation and Control (ICAAC 2014), April 11-12, 2014, Ramanathapuram, Tamilnadu, India. Volume is indexed by Thomson Reuters CPCI-S (WoS). The 138 papers are grouped as folllows: Chapter 1: Power Electronics and Integrated Control Circuits, Chapter 2: VLSI Design for Intelligent Control, Chapter 3: Automation and Control, Chapter 4: Communication Engineering, Chapter 5: Image and Signal Processing, Chapter 6: Computer Engineering and Information Technologies, Chapter 7: Materials Processing in Mechanical Engineering, Chapter 8: Advanced Power Systems, Chapter 9: Biomedical Engineering

Electromagnetic Bandgap (EBG) Structures

Author : Antonio Orlandi
Publisher : John Wiley & Sons
ISBN 13 : 1119281547
Total Pages : 237 pages
Book Rating : 4.1/5 (192 download)

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Book Synopsis Electromagnetic Bandgap (EBG) Structures by : Antonio Orlandi

Download or read book Electromagnetic Bandgap (EBG) Structures written by Antonio Orlandi and published by John Wiley & Sons. This book was released on 2017-05-31 with total page 237 pages. Available in PDF, EPUB and Kindle. Book excerpt: An essential guide to the background, design, and application of common-mode filtering structures in modern high-speed differential communication links Written by a team of experts in the field, Electromagnetic Bandgap (EBG) Structures explores the practical electromagnetic bandgap based common mode filters for power integrity applications and covers the theoretical and practical design approaches for common mode filtering in high-speed printed circuit boards, especially for boards in high data-rate systems. The authors describe the classic applications of electromagnetic bandgap (EBG) structures and the phenomena of common mode generation in high speed digital boards. The text also explores the fundamental electromagnetic mechanisms of the functioning of planar EBGs and considers the impact of planar EBGs on the digital signal propagation of single ended and differential interconnects routed on top or between EBGs. The authors examine the concept, design, and modeling of EBG common mode filters in their two forms: on-board and removable. They also provide several comparisons between measurement and electromagnetic simulations that validate the proposed EBG filters' design approach. This important resource: • Presents information on planar EBG based common mode filters for high speed differential digital systems • Provides systematic analysis of the fundamental mechanisms of planar EBG structures • Offers detailed design methodology to create EBG filters without the need for repeated full-wave electromagnetic analysis • Demonstrates techniques for use in practical real-world designs Electromagnetic Bandgap (EBG) Structures: Common Mode Filters for High Speed Digital Systems offers an introduction to the background, design, and application of common-mode filtering structures in modern high-speed differential communication links, a critical issue in high-speed and high-performance systems.

Power Line Filter Design for Switched-mode Power Supplies

Author : Mark J. Nave
Publisher :
ISBN 13 : 9780578063102
Total Pages : 183 pages
Book Rating : 4.0/5 (631 download)

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Book Synopsis Power Line Filter Design for Switched-mode Power Supplies by : Mark J. Nave

Download or read book Power Line Filter Design for Switched-mode Power Supplies written by Mark J. Nave and published by . This book was released on 2010 with total page 183 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Index to IEEE Publications

Author : Institute of Electrical and Electronics Engineers
Publisher :
ISBN 13 :
Total Pages : 1260 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Index to IEEE Publications by : Institute of Electrical and Electronics Engineers

Download or read book Index to IEEE Publications written by Institute of Electrical and Electronics Engineers and published by . This book was released on 1996 with total page 1260 pages. Available in PDF, EPUB and Kindle. Book excerpt: Issues for 1973- cover the entire IEEE technical literature.

The Physical Basis of EMC

Author : Keith Armstrong
Publisher :
ISBN 13 : 9780955511837
Total Pages : 0 pages
Book Rating : 4.5/5 (118 download)

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Book Synopsis The Physical Basis of EMC by : Keith Armstrong

Download or read book The Physical Basis of EMC written by Keith Armstrong and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

PCB Design for Real-World EMI Control

Author : Bruce R. Archambeault
Publisher : Springer Science & Business Media
ISBN 13 : 1475736401
Total Pages : 251 pages
Book Rating : 4.4/5 (757 download)

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Book Synopsis PCB Design for Real-World EMI Control by : Bruce R. Archambeault

Download or read book PCB Design for Real-World EMI Control written by Bruce R. Archambeault and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 251 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proper design of printed circuit boards can make the difference between a product passing emissions requirements during the first cycle or not. Traditional EMC design practices have been simply rule-based, that is, a list of rules-of-thumb are presented to the board designers to implement. When a particular rule-of-thumb is difficult to implement, it is often ignored. After the product is built, it will often fail emission requirements and various time consuming and costly add-ons are then required. Proper EMC design does not require advanced degrees from universities, nor does it require strenuous mathematics. It does require a basic understanding of the underlying principles of the potential causes of EMC emissions. With this basic understanding, circuit board designers can make trade-off decisions during the design phase to ensure optimum EMC design. Consideration of these potential sources will allow the design to pass the emissions requirements the first time in the test laboratory. A number of other books have been published on EMC. Most are general books on EMC and do not focus on printed circuit board is intended to help EMC engineers and design design. This book engineers understand the potential sources of emissions and how to reduce, control, or eliminate these sources. This book is intended to be a 'hands-on' book, that is, designers should be able to apply the concepts in this book directly to their designs in the real-world.

EMI Filter Design

Author : Richard Lee Ozenbaugh
Publisher : CRC Press
ISBN 13 : 9780203910313
Total Pages : 348 pages
Book Rating : 4.9/5 (13 download)

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Book Synopsis EMI Filter Design by : Richard Lee Ozenbaugh

Download or read book EMI Filter Design written by Richard Lee Ozenbaugh and published by CRC Press. This book was released on 2000-11-09 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: Offering simple methods of measuring AC and DC power lines, this highly popular, revised and expanded reference describes the selection of cores, capacitors, mechanical shapes, and styles for the timeliest design, construction, and testing of filters. It presents analyses of matrices of various filter types based on close approximations, observation, and trial and error. Supplying simple parameters and techniques for creating manufacturable, repeatable products, the second edition provides insights into the cause and elimination of common mode noise in lines and equipment, explores new data on spike, pulse, trapezoid, and quasisquare waves, and reviews the latest high-current filters.

Automotive Electromagnetic Compatibility (EMC)

Author : Terence Rybak
Publisher : Springer Science & Business Media
ISBN 13 : 1402077831
Total Pages : 302 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Automotive Electromagnetic Compatibility (EMC) by : Terence Rybak

Download or read book Automotive Electromagnetic Compatibility (EMC) written by Terence Rybak and published by Springer Science & Business Media. This book was released on 2007-06-14 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: Anyone who has operated, serviced, or designed an automobile or truck in the last few years has most certainly noticed that the age of electronics in our vehicles is here! Electronic components and systems are used for everything from the traditional entertainment system to the latest in “drive by wire”, to two-way communication and navigation. The interesting fact is that the automotive industry has been based upon mechanical and materials engineering for much of its history without many of the techniques of electrical and electronic engineering. The emissions controls requirements of the 1970’s are generally recognized as the time when electronics started to make their way into the previous mechanically based systems and functions. While this revolution was going on, the electronics industry developed issues and concepts that were addressed to allow interoperation of the systems in the presence of each other and with the external environment. This included the study of electromagnetic compatibility, as systems and components started to have influence upon each other just due to their operation. EMC developed over the years, and has become a specialized area of engineering applicable to any area of systems that included electronics. Many well-understood aspects of EMC have been developed, just as many aspects of automotive systems have been developed. We are now at a point where the issues of EMC are becoming more and more integrated into the automotive industry.

Noise Reduction Techniques in Electronic Systems

Author : Henry W. Ott
Publisher : Wiley-Interscience
ISBN 13 :
Total Pages : 456 pages
Book Rating : 4.3/5 (97 download)

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Book Synopsis Noise Reduction Techniques in Electronic Systems by : Henry W. Ott

Download or read book Noise Reduction Techniques in Electronic Systems written by Henry W. Ott and published by Wiley-Interscience. This book was released on 1988-03-23 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: This updated and expanded version of the very successful first edition offers new chapters on controlling the emission from electronic systems, especially digital systems, and on low-cost techniques for providing electromagnetic compatibility (EMC) for consumer products sold in a competitive market. There is also a new chapter on the susceptibility of electronic systems to electrostatic discharge. There is more material on FCC regulations, digital circuit noise and layout, and digital circuit radiation. Virtually all the material in the first edition has been retained. Contains a new appendix on FCC EMC test procedures.

Distributed Power Amplifiers for RF and Microwave Communications

Author : Narendra Kumar
Publisher : Artech House
ISBN 13 : 1608078329
Total Pages : 365 pages
Book Rating : 4.6/5 (8 download)

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Book Synopsis Distributed Power Amplifiers for RF and Microwave Communications by : Narendra Kumar

Download or read book Distributed Power Amplifiers for RF and Microwave Communications written by Narendra Kumar and published by Artech House. This book was released on 2015-06-01 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new resource presents readers with all relevant information and comprehensive design methodology of wideband amplifiers. This book specifically focuses on distributed amplifiers and their main components, and presents numerous RF and microwave applications including well-known historical and recent architectures, theoretical approaches, circuit simulation, and practical implementation techniques. A great resource for practicing designers and engineers, this book contains numerous well-known and novel practical circuits, architectures, and theoretical approaches with detailed description of their operational principles.

Applications of Power Electronics

Author : Frede Blaabjerg
Publisher : MDPI
ISBN 13 : 3038979740
Total Pages : 476 pages
Book Rating : 4.0/5 (389 download)

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Book Synopsis Applications of Power Electronics by : Frede Blaabjerg

Download or read book Applications of Power Electronics written by Frede Blaabjerg and published by MDPI. This book was released on 2019-06-24 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt: Power electronics technology is still an emerging technology, and it has found its way into many applications, from renewable energy generation (i.e., wind power and solar power) to electrical vehicles (EVs), biomedical devices, and small appliances, such as laptop chargers. In the near future, electrical energy will be provided and handled by power electronics and consumed through power electronics; this not only will intensify the role of power electronics technology in power conversion processes, but also implies that power systems are undergoing a paradigm shift, from centralized distribution to distributed generation. Today, more than 1000 GW of renewable energy generation sources (photovoltaic (PV) and wind) have been installed, all of which are handled by power electronics technology. The main aim of this book is to highlight and address recent breakthroughs in the range of emerging applications in power electronics and in harmonic and electromagnetic interference (EMI) issues at device and system levels as discussed in ‎robust and reliable power electronics technologies, including fault prognosis and diagnosis technique stability of grid-connected converters and ‎smart control of power electronics in devices, microgrids, and at system levels.

Wide Bandgap Semiconductor Power Devices

Author : B. Jayant Baliga
Publisher : Woodhead Publishing
ISBN 13 : 0081023073
Total Pages : 420 pages
Book Rating : 4.0/5 (81 download)

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Book Synopsis Wide Bandgap Semiconductor Power Devices by : B. Jayant Baliga

Download or read book Wide Bandgap Semiconductor Power Devices written by B. Jayant Baliga and published by Woodhead Publishing. This book was released on 2018-10-17 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wide Bandgap Semiconductor Power Devices: Materials, Physics, Design and Applications provides readers with a single resource on why these devices are superior to existing silicon devices. The book lays the groundwork for an understanding of an array of applications and anticipated benefits in energy savings. Authored by the Founder of the Power Semiconductor Research Center at North Carolina State University (and creator of the IGBT device), Dr. B. Jayant Baliga is one of the highest regarded experts in the field. He thus leads this team who comprehensively review the materials, device physics, design considerations and relevant applications discussed. Comprehensively covers power electronic devices, including materials (both gallium nitride and silicon carbide), physics, design considerations, and the most promising applications Addresses the key challenges towards the realization of wide bandgap power electronic devices, including materials defects, performance and reliability Provides the benefits of wide bandgap semiconductors, including opportunities for cost reduction and social impact

Power Supply Cookbook

Author : Marty Brown
Publisher : Elsevier
ISBN 13 : 0080480128
Total Pages : 278 pages
Book Rating : 4.0/5 (84 download)

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Book Synopsis Power Supply Cookbook by : Marty Brown

Download or read book Power Supply Cookbook written by Marty Brown and published by Elsevier. This book was released on 2001-06-13 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: Power Supply Cookbook, Second Edition provides an easy-to-follow, step-by-step design framework for a wide variety of power supplies. With this book, anyone with a basic knowledge of electronics can create a very complicated power supply design in less than one day. With the common industry design approaches presented in each section, this unique book allows the reader to design linear, switching, and quasi-resonant switching power supplies in an organized fashion. Formerly complicated design topics such as magnetics, feedback loop compensation design, and EMI/RFI control are all described in simple language and design steps. This book also details easy-to-modify design examples that provide the reader with a design template useful for creating a variety of power supplies. This newly revised edition is a practical, "start-to-finish" design reference. It is organized to allow both seasoned and inexperienced engineers to quickly find and apply the information they need. Features of the new edition include updated information on the design of the output stages, selecting the controller IC, and other functions associated with power supplies, such as: switching power supply control, synchronization of the power supply to an external source, input low voltage inhibitors, loss of power signals, output voltage shut-down, major current loops, and paralleling filter capacitors. It also offers coverage of waveshaping techniques, major loss reduction techniques, snubbers, and quasi-resonant converters. Guides engineers through a step-by-step design framework for a wide variety of power supplies, many of which can be designed in less than one day Provides easy-to-understand information about often complicated topics, making power supply design a much more accessible and enjoyable process

Electromagnetic Compatibility

Author : David A. Weston
Publisher : CRC Press
ISBN 13 : 1315354705
Total Pages : 1311 pages
Book Rating : 4.3/5 (153 download)

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Book Synopsis Electromagnetic Compatibility by : David A. Weston

Download or read book Electromagnetic Compatibility written by David A. Weston and published by CRC Press. This book was released on 2016-11-03 with total page 1311 pages. Available in PDF, EPUB and Kindle. Book excerpt: Revised, updated, and expanded, Electromagnetic Compatibility: Methods, Analysis, Circuits, and Measurement, Third Edition provides comprehensive practical coverage of the design, problem solving, and testing of electromagnetic compatibility (EMC) in electrical and electronic equipment and systems. This new edition provides novel information on theory, applications, evaluations, electromagnetic computational programs, and prediction techniques available. With sixty-nine schematics providing examples for circuit level electromagnetic interference (EMI) hardening and cost effective EMI problem solving, this book also includes 1130 illustrations and tables. Including extensive data on components and their correct implementation, the myths, misapplication, misconceptions, and fallacies that are common when discussing EMC/EMI will also be addressed and corrected.