The standards development and revision process can appear to be a lot like consulting some hallowed oracle with edicts or directives that cannot be questioned.
The latest announcement by Chinese Certification Authority CNCA has a significant impact on many automotive suppliers and car manufacturers. Several products were removed from the list of products that require compulsory product certification. Other products must now obtain a CCC Self-Declaration.
Chinese Certification Authorities to Announce Important Changes in the CCC Certification Scheme for Automotive Components In 2002, China established the China Compulsory Certification system (CCC), which repre... Read More...
The European Commission's Low Voltage Directory (LVD) legal obligations vary for economic operators, with most falling upon manufacturers. The new LVD Guide offers interpretation and instruction on these obligations, clarifying when importers and distributors might take on manufacturer responsibilities among other issues.
In its current form, IEEE Std 149 “IEEE Standard Test Procedures for Antennas” is a marginally useful document. While the standard is a good source for interesting and pertinent information, the document has not undergone a significant update since 1979. The changes to the new version of the IEEE Std 149 will make the document an essential reference in any laboratory that conducts antenna measurements.
Protection from high-altitude electromagnetic pulse (HEMP) and intentional electromagnetic interference (IEMI) is an important consideration to the design of modern electronic systems, especially those that control critical infrastructures.
It is a common misconception that any product that complies with IEC 60950-1 will also comply with IEC 62368-1. A key goal of this article is to help readers of IEC 62368-1 understand the underlying safety concerns that the new requirements are trying to address.
The European Commission, the executive body of the European Union, published its latest “Guide for the EMC Directive.”1 Updated to reflect the 2014 recast of the Directive, the Guide discusses various issues, not least what constitutes “inherently benign equipment” and “custom built evaluation kits.” This article reviews the content of the new Guide, highlighting key changes from the previous edition of the Guide published in 2010.
This year, the American National Standards Institute (ANSI) celebrates 100 years of leading the collaborative U.S. standardization system.
Accredited test laboratories, complying with the requirements of ISO/IEC 17025 have to evaluate measurement uncertainty.