Download or read book An Investigation of Coupling Mechanisms on Printed Circuit Boards Leading to Electromagnetic Interference written by David Martin Hockanson and published by . This book was released on 1997 with total page 123 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Reduction of Electromagnetic Interference Due to Electric Field Coupling on Printed Circuit Board written by Chun-Ming Angus Lee and published by Open Dissertation Press. This book was released on 2017-01-27 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Reduction of Electromagnetic Interference Due to Electric Field Coupling on Printed Circuit Board" by Chun-ming, Angus, Lee, 李俊明, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: ABSTRACT The broad applications of power electronic equipment improve the power factor and efficiency of the power converters, but they also generate electromagnetic noise to pollute the environment and the power system network. The development of power filter technology provides an effective solution towards the power frequency harmonics. Through its research, this thesis contributes to the development of high frequency electromagnetic interference (EMI) in switch mode power supply (SMPS). Traditional EMI reduction technologies relies on filtering and shielding, which are generally applied to the product by simple design rules or integrated simulation software. The high voltage switching characteristics of the switch mode power supply and the near field electric coupling between the PCB traces have a significant impact on the final EMI emission of the product. A novel approach technique to reduce such the electric coupling is mandatory. This thesis describes the measurement method used to assess the electric field coupling and the level of significance. The measurement result confirms the contribution of the electric coupling in the overall EMI generated from the SMPS. Extensive experiments verify the effectiveness of EMI reduction techniques. A thorough analysis on the electric field models of the PCB traces concludes the capacitance effect determines a high portion of the EMI generated from the SMPS. Nevertheless, the calculation of capacitance is time consuming. Any alternation in the geometry of the circuit requires the whole system to be re-calculated the whole system. During the experimental stage, a de-coupled field calculation closely resembles the mythesis.doc - iii - capacitance. The index of the electric field coupling is then defined as the "Coupling Index." It comprises the benefits fast calculation and independence of the changes in the PCB geometry. Utilising the "Coupling Index," a computer simulation tool is developed to provide a quantitative comparison on the noise coupling as well as the EMI as a result of electric field coupling. On the whole, the simulation tool combined with artificial intelligence forms an integrated simulation software with automatic trace routing. The software optimises the effects of the electric field coupling between the PCB traces to reduce the EMI generation. In summary, this thesis demonstrates the EMI due to electric field coupling in SMPS and develops an automatic software package to reduce the coupling effect with the aid of artificial software. This contributes to the ultimate PCB auto-routing tools with all EMI parameters taken into consideration. mythesis.doc - iv - DOI: 10.5353/th_b2995770 Subjects: Electromagnetic interference Electronic circuits - Noise
Download or read book Reduction of Electromagnetic Interference Due to Electric Field Coupling on Printed Circuit Board written by Chun-ming Lee (M.Phil., Angus) and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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.
Download or read book Aspects of Electromagnetic Interference on Printed Circuit Boards written by Marko Radojic̆ić and published by . This book was released on 1990 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: General guidelines for the design of printed circuit boards have been developed for two important aspects of electromagnetic compatibility: cross-talk and radiated emissions.
Download or read book Electromagnetic Interference and Compatibility written by Paolo Stefano Crovetti and published by MDPI. This book was released on 2021-08-31 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent progress in the fields of Electrical and Electronic Engineering has created new application scenarios and new Electromagnetic Compatibility (EMC) challenges, along with novel tools and methodologies to address them. This volume, which collects the contributions published in the “Electromagnetic Interference and Compatibility” Special Issue of MDPI Electronics, provides a vivid picture of current research trends and new developments in the rapidly evolving, broad area of EMC, including contributions on EMC issues in digital communications, power electronics, and analog integrated circuits and sensors, along with signal and power integrity and electromagnetic interference (EMI) suppression properties of materials.
Download or read book Electromagnetic Interference Modeling of Printed Circuit Boards Results and Analysis of Computer Simulation written by and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Radio Science written by and published by . This book was released on 2005 with total page 1112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Electromagnetic Interference Modeling of Printed Circuit Boards Results of Theoretical and Computer Models written by and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book American Doctoral Dissertations written by and published by . This book was released on 1997 with total page 806 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Electromagnetic Compatibility of Electric Vehicle written by Li Zhai and published by Springer Nature. This book was released on 2021-01-30 with total page 447 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces the electromagnetic compatibility(EMC) of electric vehicle(EV), including EMC of the whole vehicle, electromagnetic interference(EMI) prediction and suppression of motor drive system, EMI prediction and suppression of DC-DC converter, electromagnetic field safety and EMC of wireless charging system, signal integrity and EMC of the vehicle controller unit(VCU), EMC of battery management system(BMS), electromagnetic radiated emission diagnosis and suppression of the whole vehicle, etc. The analysis method, modeling and simulation method, test method and rectification method of EMC are demonstrated. The simulation and experimental results are presented as tables and figures. This book is useful as reference for graduate students, senior undergraduates and engineering technicians of vehicle engineering related majors. For EMI prediction, suppression and EMC optimization design for EVs, this book provides reference for engineers to solve EMC problems. This book is intended for senior undergraduates, postgraduates, lecturers and laboratory researchers engaged in electric vehicle and electromagnetic compatibility research.
Download or read book Electromagnetic Interference Issues in Power Electronics and Power Systems written by Firuz Zare and published by Bentham Science Publishers. This book was released on 2011-11-25 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: This E-Book focuses on conducted and radiated emission noise generated by different power converters such as Switch Mode power Supplies and DC-AC Inverters. EMI filter design and different approaches to predict common mode and differential mode noise are
Download or read book A Collection of Papers written by and published by . This book was released on 1981 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hybrid Methods for Mixed Signal Circuits Subject to on Off Board Electromagnetic Interference written by Yakup Bayram and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: Electromagnetic Interference (EMI) disrupting operations of electronic systems has been studied for decades. Many theoretical techniques and protection mechanisms are proposed to reduce impact of EMI on electronic systems. However, a new breed of EMI, Intentional Electromagnetic Interference (IEMI) has recently gained significant attention due to its potential threat to computer networks and communication systems in addition to its potential applications by the military. In this dissertation, we carry out a theoretical and experimental study of mixed signal circuits subject to on & off - board IEMI. Our ultimate goal is to develop a general framework for the EMI analysis of complex systems comprised of cable bundles and Printed Circuit Boards (PCBs) housing mixed signal circuits. In this context, we first consider on-board EMI effects on digital circuits, particularly on an inverter to show the vulnerability of digital devices to RF interference and investigate both system and device level upsets due to adjacent EMI sources on PCBs. Next, we review port analysis techniques to show the applications of the S-Parameter matrix for on-board EMI/EMC analysis. Subsequently, we extent the port analysis method with hybrid S-parameters to account for external field coupling to mixed signal circuits. In other words, we introduce additional hybrid S-parameters that establish a link between the existing board ports and external EMI. Thus, we can handle both on-board and off-board EMI problems concurrently. The new hybrid S-Parameter matrix can be integrated into standard circuit tools such as HSPICE and Advanced Design System (ADS, Agilent Technologies) and also allows for both time domain and Harmonic Balance simulations of non-linear RF-digital components via broadband network characterization. We lastly employ hybrid S-parameters to carry out experimental and theoretical studies on RF power amplifiers, performance evaluation of digital modulation schemes and digital timers to address external EMI on communication systems and automotive electronics.
Download or read book Earth Resources written by and published by . This book was released on 1982 with total page 824 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA SP written by and published by . This book was released on 1984 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt:
