EL4071 Electromagnetic Interference and Compatibility Syllabus:
EL4071 Electromagnetic Interference and Compatibility Syllabus – Anna University PG Syllabus Regulation 2021
COURSE OBJECTIVES:
To gain broad conceptual understanding of the various aspects of electromagnetic (EM) interference and compatibility
To develop a theoretical understanding of electromagnetic shielding effectiveness
To understand ways of mitigating EMI by using shielding, grounding and filtering
To understand the need for standards and to appreciate measurement methods
To understand how EMI impacts wireless and broadband technologies
UNIT I INTRODUCTION & SOURCES OF EM INTERFERENCE
Introduction – Classification of sources – Natural sources – Man-made sources – Survey of the electromagnetic environment.
UNIT II EM SHIELDING
Introduction – Shielding effectiveness – Far-field sources – Near-field sources – Low-frequency, magnetic field shielding – Effects of apertures
UNIT III INTERFERENCE CONTROL TECHNIQUES
Equipment screening – Cable screening – grounding – Power-line filters – Isolation – Balancing – Signal-line filters – Nonlinear protective devices.
UNIT IV EMC STANDARDS, MEASUREMENTS AND TESTING
Need for standards – The international framework – Human exposure limits to EM fields -EMC measurement techniques – Measurement tools – Test environments.
UNIT V EMC CONSIDERATIONS IN WIRELESS AND BROADBAND TECHNOLOGIES
Efficient use of frequency spectrum – EMC, interoperability and coexistence – Specifications and alliances – Transmission of high-frequency signals over telephone and power networks – EMC and digital subscriber lines – EMC and power line telecommunications.
SUGGESTED ACTIVITIES:
1. Investigate various case studies related to EMIC. Example: Chernobyl Disaster in 1986.
2. Develop some understanding about the design of EM shields in electronic system design and packaging.
COURSE OUTCOMES:
Upon completion of this course, the student will be able to
CO1:Demonstrate knowledge of the various sources of electromagnetic interference
CO2:Display an understanding of the effect of how electromagnetic fields couple through apertures, and solve simple problems based on that understanding
CO3:Explain the EMI mitigation techniques of shielding and grounding
CO4:Explain the need for standards and EMC measurement methods
CO5:Discuss the impact of EMC on wireless and broadband technologies
TOTAL:45 PERIODS
REFERENCES
1. Christopoulos C, Principles and Techniques of Electromagnetic Compatibility, CRC Press, Second Edition, Indian Edition, 2013.
2. Paul C R, Introduction to Electromagnetic Compatibility, Wiley India, Second Edition,2008.
3. Kodali V P, Engineering Electromagnetic Compatibility, Wiley India, Second Edition,2010.
4. Henry W Ott, Electromagnetic Compatibility Engineering, John Wiley & Sons Inc, Newyork,2009.
5. Scott Bennett W, Control and Measurement of Unintentional Electromagnetic Radiation, John Wiley& Sons Inc., Wiley Interscience Series, 1997.