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...]
Standards
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...]
A Look at the FCC SAR Test Procedures for 802.11-based Products
We now have FCC SAR test procedures for 5-GHz WLAN David A. Case, Cisco Systems, Inc. Richland, OH The engineers involved with certifying 802.11-based products, specifically portable devices, are aware of the headaches that Specific Absorption Rate (SAR) testing can cause. Until recently there was not a clear test procedure for qualifying such devices for Federal … [Read more...]
Ensuring Electromagnetic Compatibility
The IEC coordinates a worldwide system for testing electrical equipment International Electrotechnical Commission How does a hospital administrator know that using a CAT scan will not affect nearby electromagnetic systems and put patients at risk? In the early 1960s, when electrical apparatus became more widespread, not only in specialist areas, but also in the home and … [Read more...]
Updates on the New Release of IEC 61000-4-3 Edition 3
Continuous efforts are needed to maintain a consistently repeatable test Jason Smith, AR Worldwide Souderton, PA The IEC 61000-4-3 standard on radiated electromagnetic field immunity has long been used in order to satisfy one key criterion of the European Union’s requirements for obtaining the CE mark. It is usually used in conjunction with a specific product test standard … [Read more...]
CISPR EMC Standard on Electrical Lighting and Radio Disturbances Released
CISPR 15, ed. 7.2 (2009-01) is entitled “Limits and methods of measurement of radio disturbance characteristics of lighting and similar equipment.” This standard applies to the emission (radiated and conducted) of radio-frequency disturbances from all lighting equipment with a primary function of generating and/or distributing light intended for illumination purposes, and … [Read more...]
Military Specs and Standards Available Online
The Department of Defense Standardization Program makes various military standards available online. Standards in the public domain (such as military and federal specifications and standards) may be downloaded freely from official government websites. Although occasionally available for free downloading from the developer’s website, proprietary standards developed by … [Read more...]
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