Efficiently Gain EMC & Product Safety Compliance
We offer comprehensive training on:
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Regulatory requirements, both current and future - Improving the design process for quicker EMI compliance
- Resolving emissions and susceptibility issues
- Reducing emissions through improved grounding techniques
- Planning ahead and designing for quicker safety approvals
- Sample Documents
Sample training material
“GROUNING DEMYSTIFIED”
PDF (129KB) 11/9/2005 written and presented by Shirish Shah as presented to the OC IEEE EMC Society
Seminar for EMC Design and Regulation
WHO SHOULD ATTEND?
Intended for those design engineers and project managers involved in compliance of digital and RF equipment, these seminars explain the fundamentals related to EMI/EMC and digital circuit design. The following are a few examples of those who would benefit from attending:
- Mechanical engineers
- Technical project managers
- Digital design engineers
- EMI test engineers & technicians
- PWB layout engineers
- Anyone who thinks that EMC compliance is to costly or difficult
Sample of our training program topics
Introduction
- Terms & definitions
- EMI situations
- Modes of noise propagation
- Noise transmission paths
- Units of EMI measurement
- Radiated and conducted noise
- Electric & magnetic field sources
- Wave impedance and plane waves
- Common-mode vs differential
- Near-field vs far-field
- Narrowband and broadband noise
- Freq. vs wavelength relationship
- Transmission of signal energy
- Chassis as noise source, or sink?
Grounding Techniques
- Considerations for grounding
- Grounding definitions
- Personnel safety objectives
- EMC grounding objectives
- Ground loop problems
- Single-point grounding -When?
- Multi-point grounding – Why?
- Audio-frequency grounding
- Digital / RF grounding
- Grounding according to noise level
- Ground as a return path
- Mutual inductance of ground path
- Common-mode coupling
- Ground reference for RF
Shielding & Filtering
- Basics of shielding process
- Reflection and multiple reflection
- Absorption loss computation
- Wave and characteristic impedance
- Computing reflection loss
- Total shielding effectiveness
- Effectiveness of Faraday Cage
- Induced noise and return path
- Shielding effectiveness of cables
- Capacitive coupling on cables
- Cable as a transmission line
- Reflections on a transmission line
- Ribbon vs round cable
- Isolation techniques for cables
- Power line filtering
System and PWB
- System design considerations
- Suppression at the source
- Compartmentalized shielding
- Power distribution on PWB
- Selection of decoupling capacitors
- Effect of trace inductance
- Power distribution for 2 layer system
- Signal layout for high frequencies
- Optimizing Multilayer Boards
- Correct order of layers
- Transmission line
- Thickness of dielectric
- Ground as shield
- Pin escape length
- Use of decoupling capacitors
- Signal routing, best practices
- Buried clock layout
- Guard band for clocks
- Routing of high frequencies
- Preferred layer groups
- Four-layer PWB
- Six-layer PWB
- Eight-layer Plus
- Too many layers?
- Demonstration
General
- New Legislative Framework
- EMC directive 2014/30/EU
- Scope and exclusions
- Compliance path to CE mark
- Declaration of Conformity
- Generic/product specific stds.
- ITE standards for EMC
- Immunity and emissions testing
- FCC vs EC (CE) emission limits
- What is a “CAB”?
- What is a notified body?
- Technical Construction File (TCF)
- When to use the Type Examination route
- Future trends for the EU
- Radio Equipment Directive 2014/53/EU directive
European Union (EU)
- New Legislative Framework
- EMC directive 2014/30/EU
- Scope and exclusions
- Compliance path to CE mark
- Declaration of Conformity
- Generic/product specific stds.
- Compliance path to CE mark
- ITE standards for EMC
- Immunity and emissions testing
- FCC vs EC (CE) emission limits
- What is a “CAB”?
- What is a notified body?
- Technical Construction File (TCF)
- When to use the Type Examination route
- Future trends for the EU
- Radio Equipment Directive 2014/53/EU directive