CISPR 14-1 Consol. Ed. 5.1 applies to the conduction and radiation of radio-frequency disturbances from appliances whose main functions are performed by motors and switching regulating devices, unless the radio-frequency energy is intentionally generated or intended for illumination. It includes such equipment as household electrical appliances, electric tools, regulating … [Read more...]
Standards
Guide to the Drafting of IEC EMC Publications
IEC Guide 107 Ed. 3.0 (2009) describes procedures for the drafting of International Electrotechnical Commission (IEC) publications, which relate wholly or partly to electromagnetic compatibility (EMC). They should be applied when preparing new EMC publications or EMC clauses, as well as when revising existing publications. The procedures should be followed to ensure that the … [Read more...]
Certification Programs: What’s Behind the Terminology?
A well-defined and structured certification program is vital to assuring product quality and safety Randy Ivans, Underwriters Laboratories Inc. Melville, NY The Merriam-Webster® Dictionary defines “certify” as “to attest authoritatively, to confirm, to present in a formal communication, or to attest as being true.” Consider the implications of these words and phrases—confirm, … [Read more...]
Key EMC Standards on Avionics Available Online
The Vehicular Electronics Laboratory at Clemson University has posted a convenient update on the latest avionics EMC standards on its website. Included are ISO 14302e on “Electromagnetic Compatibility Requirements”, MIL-STD-461F, the “Military Standard for the Control of Electromagnetic Interference Characteristics of Subsystems and Equipment”, DO-160F on "Environmental … [Read more...]
IEC Issues Change to EMC Standard Re Input Power Immunity to Ripple
IEC 61000-4-17 Ed. 1.2 (2009-01) is “Electromagnetic compatibility (EMC) – Part 4-17: Testing and measurement techniques – Ripple on DC input power port immunity test.” This standard defines test methods for immunity to ripple at the DC power port of electrical or electronic equipment. It applies to low-voltage DC power ports of equipment supplied by external rectifier systems … [Read more...]
Change to EMC Standard Re Input Power Immunity to Ripple
IEC 61000-4-17 Ed. 1.2 (2009-01) is “Electromagnetic compatibility (EMC) – Part 4-17: Testing and measurement techniques – Ripple on DC input power port immunity test.” This standard defines test methods for immunity to ripple at the DC power port of electrical or electronic equipment. It applies to low-voltage DC power ports of equipment supplied by external rectifier systems … [Read more...]
Corrigendum on Emissions Requirements for Household Appliances
CISPR 14-1 Ed. 5.0 (2009-01) is “Corrigendum 1 – Electromagnetic compatibility – Requirements for household appliances, electric tools, and similar apparatus – Part 1: Emission.”For more information, or to order this standards go to the IEC website. … [Read more...]
Limits and Measurement of RF Disturbance to On-Board Receivers
CISPR 25 Ed. 3.0 (2009-01) is “Corrigendum 1 – Vehicles, boats, and internal combustion engines –Radio disturbance characteristics – Limits and methods of measurement for the protection of on-board receivers.”For more information, or to order this standards go to the IEC website. … [Read more...]
Shielded Power Cable Systems Standards Available on CD-ROM
The IEEE Standards Association has announced that all four critical IEEE standards covering shielded power cable systems is now available on CD-ROM. This convenient product includes: · IEEE 400™–2001 IEEE Guide for Field Testing and Evaluation of the Insulation of Shielded Power Cable· IEEE 400.1™–2007 IEEE Guide for Field Testing of Laminated, Dielectric, … [Read more...]
Product Environmental Regulatory Compliance: The Current Status Worldwide
The drive to protect the environment and to conserve natural resources has brought about a proliferation of regulations Tony Dibiase As the clamor for better and newer electronic products continues worldwide, there is increased concern over landfills accepting growing “mountains” of discarded electronic products. Consequently, global environmental regulatory compliance … [Read more...]
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