Specification for radio disturbance and immunity measuring apparatus and methods –Part 2-2: Methods of measurement of disturbances and immunity – Measurement of disturbance powerThe International Electrotechnical Commission recently released CISPR 16-2-2, which specifies the methods of measurement of disturbance power using the absorbing clamp in the frequency range 30 MHz to … [Read more...]
Standards
Updated VCCI Annual Report Available
The VCCI has delivered the first annual report since VCCI was changed on April1, 2009 to a juridical corporate body “General Incorporated Foundations VCCI Council” from a “voluntary organization VCCI.” The number of VCCI members reached as large as 1,234 at the end of March 2010, according to the report.A pre-market pillar to secure the reliability of the VCCI mark is to … [Read more...]
Low-Power Electronic Equipment and Human Exposure to EM Fields
IEC 62479:2010 provides simple conformity assessment methods for low-power electronic and electrical equipment to an exposure limit relevant to electromagnetic fields (EMF). If such equipment cannot be shown to comply with the applicable EMF exposure requirements using the methods included in this standard for EMF assessment, then other standards, including IEC 62311 or other … [Read more...]
Operation Methods for Spectrum Access Systems for PMSE Technologies
ETSI TR 102 799 V1.1.1: Electromagnetic compatibility and Radio spectrum Matters (ERM); Operation methods and principles for spectrum access systems for PMSE technologies and the guarantee of a high sound production quality on selected frequencies utilizing cognitive interference mitigation techniques. The present document analyzes the various possible techniques for spectrum … [Read more...]
IEC Releases Electrostatic Discharge Sensitivity Testing Standard
The International Electrotechnical Commission (IEC) recently issued IEC 62615:2010 regarding transmission line pulse (TLP) electrostatic discharge sensitivity testing.The standard defines a method for pulse testing to evaluate the voltage current response of components and to consider protection design parameters for electro-static discharge following the human body model.Read … [Read more...]
Updated Standard Covers Analog-to-Digital Converters
The IEEE 1241 standard covering analog-to-digital converters has been updated to address conflicts with other standards. IEEE 1241-2010™, “IEEE Standard for Terminology and Test Methods for Analog-to-Digital Converters,” incorporates many corrections and new information. It also contains revised language that is more consistent with IEEE 1057™ and other standards. IEEE 1241 … [Read more...]
University Lab Compiles List of Automotive EMC Standards
The Clemson University Vehicular Electronic Laboratory, which conducts targeted research related to automotive and aerospace vehicle electronics including electronic components, circuits, sensors, communications, power distribution and mechatronics with an emphasis on systems integration, electromagnetic compatibility and modeling, has published a list of automotive EMC … [Read more...]
Driver Error Cited in Some Toyota Acceleration Cases
A government analysis of vehicle data has found driver error, not the vehicle, appears to be the cause of a number of Toyota unintended acceleration cases, according to a USA Today report citing a person with knowledge of the data who did not want to be identified because the information is not yet public.The National Highway Traffic Safety Administration, which is doing the … [Read more...]
FCC: Additional 25 MHz of Spectrum for Mobile Broadband Use
The Federal Communications Commission on May 20 adopted WT Docket No. 07-293, new rules allowing for an additional 25 megahertz of spectrum to be available for mobile broadband service in much of the United States, while protecting adjacent satellite radio and aeronautical mobile telemetry operations. The rules adopted amend the Wireless Communications Service (WCS) rules to … [Read more...]
Requirements for EM Immunity of Information Technology Equipment
This CISPR publication establishes uniform requirements for the electromagnetic immunity of information technology equipment. The test methods are given in the referenced Basic EMC Immunity Standards. This publication specifies applicable tests, test levels, product operating conditions and assessment criteria.Read more from the IEC. … [Read more...]
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