Price: $2,999.00

Course Number: 910
Length: 3 Days
Continuing Education Credits: 19 PDH for PE
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EMI/EMC Training

EMI or EMC testing is essential for modern electronic devices to determine if the device can operate within its intended setting (environment) and in accordance with required standards.

Modern electronic devices must operate in today’s environments which are surrounded by multiple radio waves and electromagnetic (EM) energy. The device may even contribute to the amount of EM energy in the environment, in which case it is guilty of causing electromagnetic interference (EMI).

For an electronic device or system to operate properly under such conditions, it must have electromagnetic compatibility (EMC) with its operating environment.

EMC is important for many electronic designs and especially critical for military, aerospace, and medical electronic  applications, where lives may be at stake. Test standards have been developed over time to monitor and maintain acceptable EMI and EMC levels. 

Regulatory testing and compliance of electronic and electrical products often involves electromagnetic compatibility (EMC) and electromagnetic interference (EMI).

Because EMI and EMC are often used in the same sentence, there’s a tendency to think they are the same. They are not.

EMI is the interference caused by an electromagnetic disturbance which affects the performance of a device. Sources of EMI can be environmental, such as electrical storms and solar radiation but more usually will be another electronic device or electrical system.

If the interference is in the radio frequency spectrum it is also known as radio frequency interference or RFI.

EMC is a measure of a device’s ability to operate as intended in its shared operating environment while, at the same time, not affecting the ability of other equipment within the same environment to operate as intended.

Design considerations need to consider electromagnetic compatibility and interference. Failing to consider them in the early stages of product development can result in the time consuming and costly need to redesign the product at a later stage to meet EMC/EMI specification tests and prevent product failure or a safety risk.

Evaluating how a device will react when exposed to electromagnetic energy is known as susceptibility or immunity testing and involves determining the ability of a device to tolerate noise from external sources.

Tonex EMI/EMC Academy – Engineering and Management Training Courses

EMC/EMI Training for Aerospace                                      3 days
Performance and EMC Testing Training for Military & Aerospace3 days
MIL STD 461F Training 3 days
Military EMI/EMC Training3 days

 

Tonex Applied EMC/EMI course is applicable to professional engineers and technicians practicing in EMC fields to include bonding, grounding, shielding, EMI prediction, EMI analysis, conducted and radiated interference, lightning protection and more.

Learn about the requirements that commercial and military electronic systems must meet to get certified. Master techniques that can be used to protect systems against these threats. Explore unconventional high power EM threats, including nuclear electromagnetic pulse and high power microwave weapons (optional topics).

In a nutshell, Engineers know the math and the physics of EMC. Technicians know the instruments and test setups. Engineers need good writing and verbal skills. Technicians need to know the pitfalls of real measurements. All applicants have to be competent in the fundamentals, i.e., coupling, filters, shielding, etc. as well as the specifications which apply to their particular specialty.

Tonex offers national EMI/EMC related training courses customized for electronics designs and the needs of the commercial and military professional engineers. Learn about EMI, EMC and Aerospace Instruments, Shipbuilding, Medical, Space and Satellite Systems, Telecommunications Equipment, Commercial and Utility Nuclear Power Systems, Electrical equipment, Automotive and Other Technology Systems.

WL Academy instructors are often times engineers themselves in challenging, fast-paced manufacturing and service industries – they get it. WLL offers a broad variety of educational programs for all levels of EMC and safety design engineers WL Academy’s EMC, Safety, Wireless and Environmental training programs feature:

  • full five day programs taught by iNARTE-Certified professionals
  • short programs
  • laboratory demonstrations
  • webinars covering conformity assessment and certification.

Who Should Attend

  • Engineers and system architects
  • EMC/EMI specialists (engineers and technicians)
  • Technicians
  • PCB layout professionals
  • IC designers
  • Applications Engineers
  • Engineering and project Managers

Pre-Requisites

EMI/EMC Training

Objectives

  • Understand EMI/EMC Concepts, Definitions, and Requirements
  • Understand military and commercial EMI/EMC requirements
  • Explore EMC Methodology, Environments, and Measurements
  • Calculate electromagnetic propagation
  • Understand EMC Modeling and Analysis
  • Master EMC measurement, modeling, and analysis techniques
  • Analyze EM Propagation and Crosstalk
  • Understand EM Hardening Techniques
  • Master Unconventional High Power Electromagnetic Threats
  • Analyze potential EMI problems by identifying the source, the receptor, and the coupling path
  • Harden electronic systems using the appropriate EMC protection technique(s): grounding, bonding, shielding, filtering, and printed circuit board design

Outline

INTRODUCTION TO EMI AND EMC

  • What is EMI and EMC?
  • Lightning Protection and Control
  • Power Grounds
  • Signal Grounding
  • Cable and Connector Grounding
  • Box and System-Level Grounding
  • Shielding Effectiveness
  • Shielding Materials and Coatings

TECHNICAL PRINCIPLES OF  EMI AND EMC

  • Principles of Electromagnetic Interference (EMI)
  • Principles of Electromagnetic Compatibility (EMC)
  • Electromagnetic Interference (EMI)
  • Radio Frequency Interference (RFI)
  • Electromagnetic Effects (EME)
  • Electromagnetic Pulse (EMP)
  • Aperture Leakage and Their Control
  • Shielded Windows
  • Electrical Gaskets
  • Box and Housing Shield Designs
  • Architectural Shielding
  • Shielded Rooms
  • Cable Shielding and Performance
  • EMI and Control Issues
  • Fields Levels, Meaning and Threats
  • Electrical Noise Sources
  • Analog Devices and Logic Victims and Their EMI Properties
  • EMI Device Reciprocity
  • Threat and Victim Levels and Margins

EMI AND EMC STANDARDS AND MEASUREMENTS

  • Introduction to field strength
  • Safety considerations
  • EMC standards
  • EMI Standards
  • RF Emissions
  • Low Frequency Emissions: Harmonics (IEC 1000-3-2)
  • Measurement Equipment
  • MIL-STD-461F

GROUNDING TECHNIQUES

  • Types of Grounds
  • Safety
  • Signal Grounds
  • Single-point and Multi-point Grounds
  • Common Impedance Coupling
  • Separation of Grounds
  • Ground Loops
  • Isolation
  • Shield Grounding
  • Grounding and Interconnect
  • Function of a Ground
  • Single Point, Multi-Point and Hybrid Grounds
  • Analog vs Digital Grounds
  • Circuit Board Grounding
  • Internal Cables and Connectors
  • I/O Treatments
  • Shielding
  • Picking the Right Materials
  • Enclosure Design Techniques

PHYSICS OF EMI/EMC INTERFERENCE SOURCES, PATHS AND RECEPTORS

  • Key EMC/EMI Design Threats
  • EMI Regulations and Their Impact on Design
  • Physics of EMC/EMI
  • Frequency, Time and Dimensions
  • Transmission Lines and "Hidden" Antennas

DESIGN PRINCIPLES

  • Immunity tests
  • Design Principles
  • Interference coupling mechanisms
  • Layout and grounding
  • Digital and analogue circuit design
  • Interfaces, filtering and shielding
  • EMC management
  • Bonding
  • Grounding
  • Shielding
  • Interface Control
  • Conducted Interference
  • Radiated Interference
  • Military Specifications/Standards/Handbooks
  • EMC Test Plans
  • Test Equipment
  • Test Facilities
  • Safety Terminology
  • Mathematic Spectrum Analysis
  • Lightning Protection
  • Inter-system and Intra-system Design
  • Equipment Design
  • EMI Prediction
  • EMI Analysis
  • Field Theory
  • Antennas
  • Filter Theory

ADVANCED TOPICS

  • EMC/EMI Modeling and Analyzing
  • EMC/EMI Simulation and Validation
  • Levels of model validation
  • Mathematical level
  • Computational technique validation
  • Implementation level
  • Individual software code implementation validation
  • Model level
  • Specific model validation
  • Electromagnetic Spectrum Modeling
  • Electromagnetic and Spectrum related models and simulation programs
  • Electromagnetic Data Acquisition Management

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