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Standards

IEC 61000-4-6 Ed. 3.0 (2008-10)

 

IEC 61000-4-6:2008 relates to the conducted immunity requirements of electrical and electronic equipment to electromagnetic disturbances coming from intended radio-frequency (RF) transmitters in the frequency range 9 kHz up to 80 MHz. Equipment not having at least one conducting cable (such as mains supply, signal line or earth connection) which can couple the equipment to the … [Read more...]

Guide to Measurement Uncertainty Now Available in Electronic Version

 

The International Organization for Standardization (ISO) and the International Electrical (IEC) have published the first of a planned series of guidance documents on measurement uncertainty. ISO/IEC Guide 98-3-2008, Uncertainty of Measurement – Part 3: Guide to the Expression of Uncertainty in Measurement (GUM: 1995), is a reissue of the 1995 version with several minor … [Read more...]

SAE International and AEM Sign Standards Development Agreement

 

The SAE (Society of Automotive Engineers) International and the Association of Equipment Manufacturers (AEM) signed a memorandum of agreement (MOU) to further the development of standards for the off-highway industry. The agreement is expected to help off-highway companies reduce costs through pooling of resources and bringing greater stability to the standards process by … [Read more...]

ComReg Issues New Frequency Plan for Ireland

 

ComReg, Ireland’s telecom watchdog, has posted the newest Radio Frequency Plan for the Republic of Ireland. The last complete revision took place in 2004 , with numerous lesser revisions taking place in the interim, reflecting all relevant amendments and updates on both a national and international level applicable to Ireland. The latest edition details several significant … [Read more...]

Two EMC Publications Available: Standard on IT Equipment & Draft on ESD Immunity Testing

 

Two new EMC standards have been made available from the International Electrotechnical Commission (IEC). CISPR 22 Ed. 6.0 (2008-09) is entitled “Information Technology equipment – Radio disturbance characteristics – Limits and methods of measurement.” Procedures are given for the measurement of the levels of spurious signals generated by the ITE (information technology … [Read more...]

Radio Operators Oppose Proposed Change to Disturbance Limits of CISPR 22

 

Recently there has been a flurry of activity opposing the proposed change to the disturbance limits of CISPR 22. Objections focus on proposed Power Line Telecommunications (PLT) disturbance limits, which would be relaxed by 18 dB. These disturbance limits for Power Line Telecommunications (PLT) systems are defined by the standard CISPR 22 and its European equivalent EN 55022 … [Read more...]

IEEE and IEC Expand Agreement for Joint Development of Standards

 

The Institute of Electrical and Electronics Engineers, Inc.  and the International Electrotechnical Commission have agreed to extend their existing cooperation agreement, which describes a procedure for submitting and approving existing IEEE standards to the IEC. Additionally, the two organizations have adopted a procedure that will permit joint, parallel development of a … [Read more...]

IEC Issues New Interpretation Sheet on EMC Testing and Measurement Techniques

 

The International Electrotechnical Commission has issued IEC 61000-4-3 (Edition 3.0 – 2008) I-SH 01 entitled, “ Electromagnetic compatibility (EMC) – Radiated, radio frequency, electromagnetic field immunity test.´ Interpretation sheet 1 was prepared by SC 77B: High frequency phenomena, of IEC Technical Committee: Electromagnetic Compatibility. This sheet contains step-by-step … [Read more...]

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