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...]
Standards
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...]
CISPR Issues Amendment on Electrical Lighting and Disturbances
CISPR has just released an amendment to CISPR 15. Specifically, CISPR 15-am2 Ed. 7.0 covers “limits and methods of radio disturbance characteristics of electrical lighting and similar equipment.” For additional information, or to purchase this amendment, go to the International Electrotechnical Commission website. … [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...]
Reminder – ANSI C63.5 – 2006 – Calibration of Antenna for Radiated Emissions Measurement
ANSI C63.5 – 2006 is entitled “American National Standard for Electromagnetic Compatibility – Radiated Emissions Measurements for Electromagnetic Interference (EMI) Control – Calibration of Antennas. This standard provides methods for determining antenna factors of antennas used for radiated emission measurements of electromagnetic interference (EMI) from 9 kHz to 40 GHz. … [Read more...]
NEBS
NEBS (Network Equipment Building Standards) is the set of safety, spatial, and environmental design guidelines applied to telecommunications equipment in the United States. The NEBS concept was first introduced by Bell Labs in the 1970s. Telcordia, and its predecessor Bellcore have maintained the NEBS documents since the divestiture of the local Bells in 1984. Additional … [Read more...]
Solar Inverters and the Issue of EMC Compliance
EMC regulation of solar installation equipment has failed to keep pace with actual developments. Siegfried W. Best As populations throughout the world become more aware of environmental issues and the necessity of forestalling further damage and pollution, attention has been focused on finding eco-friendly means of generating electric power. Wind farms are one highly touted … [Read more...]
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