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Measurement Testing
A Resource Dedicated to Environmental Testing, EMC Testing, Vibration Testing and related areas
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Mjr
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Joined: 13 Jul 2005
Posts: 294
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 Posted: Wed Dec 21, 2005 5:32 am Post subject: TTI's Test Procedures for EMI/EMC/ESD |
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TTI's Test Procedures for EMI/EMC/ESD (Course No. 162):
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Application This short course will provide the background and details of commercial EMI/EMC/ESD standards and review test procedures to gain understanding and proficiency in EMC testing.
For Whom Intended This course will be of interest to personnel involved in testing and development of products intended for international markets. It will be of interest to testing and certification engineers and technicians, Quality Assurance personnel such as inspectors and technical auditors, manufacturing engineers, design and development engineers.
Brief Course Description The course provides a review of applicable theory and an explanation of the various terms and definitions encountered. The course proceeds to discuss safety issues and the potential hazards that could be encountered in testing activities.
This is followed with a general discussion of regulatory agencies of the US, European and Japanese authorities and the various standards to be followed such as: ECC, FCC, IEC and MIL-STD.
The test laboratory and open area test site are discussed as well as procedures to be followed for compliance auditing and selecting an anechoic chamber.
The advantages and disadvantages of testing in-house or contracting out are discussed as well as the paperwork requirements for certification testing.
The application of various tests for EMI, EMC and ESD are discussed and recommended procedures for each method are discussed.
A review is made of diagnostic methods for dealing with EMI/EMC/ESD problems. The course closes with a review of the examples of test procedures for various industries. |
- Review of applicable theory
- Effects of EMI
- Terms and definitions
- Introduction to field strength
- Safety considerations
- European Regulations
- CE
- European Economic Area
- Directives
- Standards
- Technical Construction File
- EMC standards
- EMI Standards
- RM Emissions
- Radiated and Conducted Emissions
- Standards
- Measurement: Transducers
- Test setups: Table Top or Floor Mounted
- Low Frequency Emissions: Harmonics (IEC 1000-3-2)
- Harmonics Evaluation
- Test sources
- Measurement Equipment
- Test Conditions: TV Receiver, VCR/Audio Amplifier/ITE, Lighting, Appliances
- Low Frequency Emissions: Voltage Fluctuation and Flicker (IEC 1000-3-3)
- Limitations
- Three-phase test setup
- Flicker and Voltage Deviation
- Measuring Flicker Severity
- Test conditions
- ESD Testing
- Severity levels
- Generator design
- Verification of characteristics
- Waveform
- Test setups: Table Top, Floor Mounted, In-situ
- Test procedures
- Radiated Field Immunity Testing
- Severity levels
- Test Signal
- Test Equipment
- Field Uniformity Measurements
- Anechoic chamber
- TEM, GTEM cells
- Reverberation chamber
- Test procedure.
- Fast Transients Immunity Testing
- EFT Immunity
- Voltage and Frequency levels
- Voltage waveform
- Test equipment: Burst generator, CDN, Capacitive-Coupling Clamp
- Test procedures: Table Top, Floor Mounted
- Post-Installation Tests
- Power Line Surge Testing
- Severity levels
- Waveform
- Combination or CCITT Wave Generators
- Generator Waveform
- Coupling/Decoupling Network (CDN): Power, Interconnect
- Test Procedures: Power Lines, Shielded Interconnect
- Conducted Immunity
- Environment Levels
- Test equip.: Generator, Coupling/Decoupling Device
- Verification of Common Mode Impedance
- Network Analyzer setup
- Level setting: CDN, Clamp
- CDN Principle
- Injection Probe Principle
- Test Procedure
- Magnetic Field Immunity (Power Frequency)
- Limits
- Typical Levels
- Test Equip.: Generator, Induction Coil
- Coil Factor
- Coil Calibration
- Test setups: Table Top or Floor Mounted
- Procedures
- Immunity to Pulse Magnetic Field
- Test levels and Procedure
- Immunity to Damped Oscillatory Magnetic Field
- Test levels and Procedure
- Voltage Dips and Interruptions Immunity
- Test Levels: Dips and Interruptions, Variation
- Test Equipment, Procedures
- Considerations in EMC Projects
- Test Plan
- Pre-Compliance Testing (Emissions)
- Pre-Test — Immunity
- After Test (Diagnostics)
- Selection of Test House
- Accreditation Bodies
- Auditing (ISO Guide 25)
- Production Sampling
- Emissions Immunity
- VCCI Method
- Production Sampling Immunity
- PQAP Items
- When Production Changes Affect EMI
- Ongoing Compliance
- Exercise
- Measurement Uncertainties
- Estimating Errors
- Future Trends
- Comparison of DO-160 (Commercial Avionics) and MIL-STD-461/462
- Magnetic Effect
- RF Emissions: Conducted, Radiated
- AC, DC Inputs
- Momentary Power Interruption
- Digital Circuits
- Voltage Spike Test
- Audio Frequency. Susceptibility
- H-Field and E-Field in Cables, Equipment
- RF Susceptibility
- Lightning
- ESD Detector
- Grounding Techniques
- Final Examination
- Award of Certificates for Successful Completion
For more information, visit:
http://www.ttiedu.com/ |
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