EMC Test & Training Center

Fundamentals of Electromagnetic Compatibility

Target Audience

Teachers/Students / professional with 0-5 years’ experience (with Science / Diploma / Engineering background and studied electronics or physics as one of the subjects in their course)

Course Pre-requisites

Course 1001 ELECTROMAGNETIC INTERFERENCE AND COMPATIBILITY (Course 1) is highly recommended

Course Objectives

Basic Fundamental Concepts

To make the learner to understand the fundamentals and essentials of EMC and itsimportance in product design by more focus on basic fundamental concepts and applied fundamentals.

  1. Introduction
    • Overview of Electromagnetic Compatibility
    • Importance of Addressing EMC Issues Early
    • Examples of EMC Disasters (and Success Stories)
  2. Circuit Components and Parasitics
    • Resistance, Capacitance and Inductance
    • Absolute Capacitance, Self-Capacitance and Mutual Capacitance
    • Self-Inductance, Mutual Inductance, Partial Inductance, Internal and External Inductance
    • Component Parasitics
    • Rules and Tools for Estimating Parasitic Values
  3. Coupling Mechanisms
    • Common Impedance Coupling
    • Electric Field Coupling
    • Magnetic Field Coupling
    • Electromagnetic Radiation
  4. Signal Routing and Termination
    • Tracing Current Paths / Concept of Least Impedance
    • Transition Time Control
    • RLC Circuits
    • Transmission Lines
    • Single-ended vs. Differential vs. Pseudo-Differential Signals
    • Balanced vs. Unbalanced Sources and Channels
  5. Grounding
    • Ground vs. Current Return
    • Ground Structures and Grounding Conductors
  6. Strategies for Mixed-Signal PCB Layout
    • Managing Current Return Paths
    • Managing Ground
    • Design Examples

Applied Fundamentals

  1. Filtering
    • Insertion Loss
    • First-Order Low-Pass Filters
    • Second-Order Low-Pass Filters
    • Component Parasitics
  2. Shielding
    • Electric Field Shielding
    • Magnetic Field Shielding
    • Shielding to Reduce Radiated Emissions
    • Cable Shielding
  3. DC Power Distribution and Decoupling
    • Effective Power Distribution Strategies
    • Choosing and Locating Decoupling Capacitors
    • Low-Inductance Capacitor Connections
    • Isolating PLLs and Other Sensitive Devices
  4. Identifying the Unintentional Antennas
    • Essential Elements of an Antenna
    • What Makes a Good Antenna
    • What Makes a Poor Antenna
  5. Noise Sources and Coupling Mechanisms
    • Integrated Circuits as Sources of EMI
    • Parasitic Oscillations and Unexpected Noise Sources
    • Coupling Between Noise Sources and Antennas
    • Differential Mode to Common Mode Conversion
  6. Key System-Level Design Considerations
    • For Radiated Emissions Tests
    • For Conducted Emissions Tests
    • For Radiated Susceptibility
    • For ESD and Transient Tests
  7. Avoiding Common EMC Design Mistakes
    • EMC Design Rules (Good, Bad and Awful)
    • Ground Partitioning
    • Bypassing Your Filters
  8. Course Summary
    • Review of Key Concepts
    • EMC Resources for Product Engineers