The Aspect of RF & EMC in Today’s World
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Transcript of The Aspect of RF & EMC in Today’s World
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The Aspect of RF & EMC in Today’s WorldNational University of SingaporeB.Tech (Electronics)EE1001E:Emerging Technology in Electrical
Engineering
19 Nov 2012 (Monday) Kyaw Soe Hein2012-2013 Semester 1 (A0103612Y)
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•Certification and Auditing Services
•Testing Services
•Inspection Services
•Product Certification Services
•PSB Learning
•Products from Service Quality (SQ) Centre – Training and Consulting
IntroductoryKyaw Soe Hein (A0103612Y)
• Diploma in Mechatronics (Singapore Polytechnic)
TÜV SÜD PSB Pte. Ltd.
Designation: Associate EngineerDepartment : Electrical & Electronics
Center, EMC and Telecoms
Job Scope: Test Officer, testing electronics products for EMC certification
Specialized: RF testing
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Overview• Technology
Development
• EMC Testing
• RF Testing
• Future Technology Trends
• Technical Challenges
• Economics & Market Value
• Importance of EMC & RF compliance in society
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Technology Developments• Electronics Revolution ( Starting in 1947 )
• World’s 1st Microprocessor, the 4004 ( 1971)
• Satellites and Wireless Communications
• GSM mobile Phones & Internet Services
• RFID technology
• Home & Office Appliances
• Industrial & Military Systems
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Interoperability
Interference
Crowded Spectrum
Accidents due to interference
Impact on Society
Efficiency
Productivity
Mobility
Communication
Ease of daily life Operations
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Compatibility with Environment
EMC testing
RF testing
EMC & RF Compliance
Regulatory Authorities•IEC•CISPR•ETSI•FCC•BSI
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EMC & RF ComplianceEMC Testing
Emission & Immunity
o Radiated & Conducted Meanso Limits & Classes
ITE(Information Technology Equipment), Audio/Video, ISM (Industrial, scientific, Medical) Products
Goal: Certified for Industrial or Home/Offices Uses
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EMC & RF ComplianceEMC Tests
• Conducted Emissions• Radiated Emissions• Electrostatic Discharge
(ESD) immunity• Radiated field Immunity• Conducted disturbances
immunity• Voltage surge immunity• Electrical fast
transient / burst immunity
• Voltage fluctuation / flicker
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EMC & RF Compliance
RF Testing
Wireless & RF technologyGenerally, @ unlicensed band, multiple
systems coexist and interfere• 802.11 networks, Bluetooth
systems, walkies-talkies• Spectrum Sharing Rules
Goal : fair, efficient and compatible sharing of Frequency
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EMC & RF ComplianceRF Tests
Basically,• Maximum Output Power• 6dbm Channel
bandwidth (Emission Bandwidth)
• Maximum Peak Power Spectrum Density
• Unwanted Emissions in Non-Restricted Bands
• Unwanted Emissions in Restricted Bands
• Band Edge Measurement
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Economics & Market Value
• Vital in Product Launch
• Affecting in business strategy, program management, and organizational design
• Regulatory Authorities Inspection
• Third Party Certification Bodies
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Technical ChallengesFixed and mobile transmitter
Higher frequency, more severe immunity test Required
Facility to host large systems, inaccuracy of measurement
Widespread of fear on EM field, introducing health effects measurement in EMC & RF
Flaw in standardization as time is limited
EMC knowledge is not encouraged, economy and academic
Technology TrendsProliferation of Processors
Higher Operating Frequency
Large Equipment and Systems
Health & Electromagnetic Fields
Accelerating Product Life cycles
Paucity of EMC engineers & Economy
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Trends of Technology
• CR(Cognitive Radio) - Dynamics Spectrum
Access
• Smart Grid- systems of systems(More Electronics Components & Compliance issues)
• Nuclear Facility Compliance for EMC
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Importance of RF & EMC TestingSAFETY & HEALTH for Society
• Current & Future Technology (More Interference)
• Emergency Situations
• High Reliance on electronics devices in daily
• Continuous advantageous of employing high mobility electronics
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Conclusion
•Consistency of the Standards
•Standardization for easy reference for developers
•Evaluate and Focus on future
•Co-ordination of Standards committee, Industrial Partners and Business Dealer
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Question & Answer …..
Thanks a lot for your precious time with me…I’ll be glad to answer your kind questions, thanks a lot.
Kyaw Soe Hein (A0103612Y)