EMC Essentials Seminar
A 1 Day Course with Oliver Opitz or John Park of Wurth Electronics and Steve Van Kirk of CKC Laboratories
Course Outline
Section 1: EMC Design Essentials, Laying the Foundation for Compliance.
Basics
- What is inductance?
- What is an EMC ferrite?
- Magnetic field
- Permeability
- Core material
Filter & Signal
- Filter basics
- Low pass filter
- Definition self resonance
- Mass related Filter
- Common Mode Filter
- Principal/Construction Common Mode choke
- Advantage of the current compensating choke
- Recognition methods of the coupling
- Impact of the number of turns
- EMC- / SMD-Ferrite
- Usual mains power filter
Insertion Loss
- Definition
- S-Parameter Model
- Calculation
- Practical source and load impedance
- Source and load impedance in
- Recommended filter types
Measuring
- Filter topologies
- Noise Generator
Simulation
- LT Spice / Switcher CAD
Layout tips
Course Outline
Section 2: EMC Testing Essentials, Laying the Foundation for a Successful Laboratory Experience
Fundamental concepts
- Signal spectra
- EMC physics
- Source/coupling path/victim
- Interference mechanisms
Common EMC tests – an explanation of each
- Emissions (RE/CE)
- Immunity (RI/CI, ESD, surge, etc.)
- What does it mean to “pass”?
Trouble-shooting Ideas / Fixes
- Keep the fundamentals in mind
- The invisible schematic
- Designing in” compliance vs. after-the-fact fixes
- A couple of short "case studies"
The lab experience - successful EMC testing
- What to expect from a test lab
- What to bring to the lab for testing
- Host equipment
- Support equipment
- Software
- Product documentation, etc.
- Common mistakes to avoid
Who Should Attend:
Anyone involved with design, development and/or certification testing of commercial, medical, industrial, avionics, wireless or military electronics products.