EE785:ELECTROMAGNETIC INTERFERENCE AND COMPATIBILITY
BASIC THEORY: Intra and inter system EMI, Elements of Interference:
Conducted and Radiated EMI emission and susceptibility, EMC Engineering
COUPLING MECHANISM : Coupling paths, Coupling via the supply network,
Common mode coupling, Differential mode coupling, Impedance coupling,
Radiative coupling, Ground loop coupling, Cable related emissions and
coupling, Transient sources, Automotive transients. Categorization of the
electromagnetic interference: emission, susceptibility, transients,
crosstalk, shielding and compatibility, signal integrity.
EMI MITIGATION TECHNIQUES: Working principle of Shielding, LF Magnetic
shielding, Apertures and shielding effectiveness, Choice of Materials for
H, E, and free space fields, Gasketting and sealing, PCB Level shielding,
Principle of Groundin.
STANDARDS AND REGULATION: Need for Standards, EMI Standardizing for
different application. IEC, ANSI, FCC, AS/NZS, CISPR, BSI, CENELEC, ACEC.
EMI TEST METHODS AND INSTRUMENTATION: Fundamental considerations, EMI
Shielding effectiveness tests, Open field test, TEM cell for immunity
test, Shielded chamber , Shielded anechoic chamber, EMI test receivers,
Spectrum analyzer, EMI test wave simulators, EMI coupling networks, Line
impedance stabilization networks, Feed through capacitors, Antennas,
BASICS OF BIOLOGICAL EFFECTS OF EM WAVES: Ionizing and non-ionizing
radiation. Theoretic and diagnostic use of EM waves. Measurement
techniques of EM radiation. Protective design techniques.
Henry W. Ott, “Electromagnetic Compatibility Engineering”, John Wiley &
Sons Inc, Newyork, 2009.
Daryl Gerke and William Kimmel, “EDN‟
s Guide to
Electromagnetic Compatibility”, Elsevier Science & Technology Books, 2002.
W Scott Bennett, “Control and Measurement of Unintentional
Electromagnetic Radiation”, John Wiley & Sons Inc., (Wiley Interscience
Dr Kenneth L Kaiser, “The Electromagnetic Compatibility Handbook”, CRC
Paul, C.R., “Introduction to Electromagnetic Compatibility”, 2nd ed.,
David K. Cheng, “Field and Wave Electromagnetics” 2nd ed. Pearson