Electromagnetic Compatibility
(course EMC 510)

Day One – Introduction, History, and Conducted Emissions

• Introduction, with EMI examples and demonstrations
• History, including some significant EMI incidents and results
• Conducted emissions, including examples, units of measurement, common methods of measurement, test variables, powerline source impedance representation, current probes, transfer impedance, common mode and differential mode.
• Time domain versus frequency domain
• Remedial methods with limitations, CM/DM (common mode/differential mode) filter design methodology, parasitic reactances and component limitations, isolation transformers, opto-isolators, and fiber optics.

Day Two – Radiated Emissions

• Radiated emissions, including theory, isotropic radiators, H (magnetic) fields, E (electric) fields, plane waves, wave impedance, antenna gain, antenna factors, near field, far field, common testing methods.
• Shielding theory, shield design, aperture leakage, shielding hardware with limitations.
• Cable shielding, shield transfer impedance, cable bundling, crosstalk and twisting.
• Differential mode and common mode radiation.

Day Three – Susceptibility Testing and Fixes

• Conducted susceptibility (AF [audio frequency], RF [radio frequency], and spike/impulse), transformer coupling, capacitive injection, bulk cable injection, remedial methods.
• Radiated susceptibility, including H field, E field, plane wave, remedial methods
• EMP (electromagnetic pulse) testing and remedies
• ESD (electrostatic discharge) testing and remedies
• Lightning testing and remedies

Day Four – Achieving Electromagnetic Compatibility

• EMC Goals
• Problem analysis, plans, tools, methods
• How to prevent EMI problems
• How to organize, analyze, solve EMI problems
• Remedy summary chart
• Troubleshooting tools, including current probes, voltage probes, LCR (inductance-capacitance-resistance) meters, RF sniffers and near field probes, RADHAZ (radiation hazard) probes, antennas.
• Troubleshooting techniques.

Day Five – Student EMI Workshop

• Problem descriptions from students
• Problem culling and student assignments to similar interest workgroups
• Group work to organize, analyze, plan and solve selected EMI problems
• Problem/solution presentations by student workgroups, with critiques by class and instructor
• Course summary
• Recommendations

Award of course completion certificates