A new family of EMI filter arrays from OnChip Devices comes with onboard ESD protection in various TDFN and uDFN package options. Crafted specifically for high-speed data interfaces in mobile phone, the EMF110x family is offered in 4-channel, 6-channel, and 8-channel filter arrays. They are reported to deliver excellent S21 characteristics with extremely low parasitic … [Read more...]
IEC Issues Three New EMC Standards on MV, HV, and EHV Power Supplies
The International Electrotechnical Commission (IEC) has issued three new standards on electromagnetic compatibility-specifically IEC 61000-3-6 Ed. 2.0; IEC 61000-3-7 Ed. 2.0; and IEC 61000-3-13 Ed. 1.0. All deal with the assessment of emission limits. The first 6100-3-6 is a technical report, informative in nature that provides guidance on principles that can be used as the … [Read more...]
Solving the Galvanic Corrosion Issue in EMI Shielding
Tungsten carbide/aluminum composite particles inhibit galvanic corrosion of aluminum. An on-going issue in the design of reliable EMC shielding is galvanic corrosion of aluminum. How can an aluminum frame be protected from galvanic corrosion if it contacts an EMI gasket containing non-aluminum particles? Chromate conversion coatings have long been used to reduce the corrosion … [Read more...]
DOD Issues RFQ for RF Filter with Estimated Contract Value of $43,352.12
The U.S. Government is interested in issuing an award for a one-year contract with an additional year option for an RF filter (NSN 5915001288130). The DOD estimates the value of this contract at $43,352.12. Learn more about this RFQ by visiting the Federal Business Opportunities website. … [Read more...]
EMI Test Software Targets Precompliance Testing
R&S®ES-SCAN EMI test software from Rohde & Schwarz has been crafted especially for precompliance and precertification EMI testing. Designed for use with R&S® ESPI test receivers, this package delivers a 32-bit application for testing in accordance with commercial standards. Its state-of-the-art MS Windows-style, straightforward user interface allows for quick … [Read more...]
Project IEC 61643-21 am1 Ed.1.0 Covers Performance & Test Methods for LV Surge Protectors
The International Electrotechnical Commission has published the draft of an amendment covering low voltage surge protection devices. The proposed change is titled "Amendment 1 - Low voltage surge protection devices - Performance requirements and testing methods."? This final draft has a voting period February 2, 2008 to April 11, 2008. Purchasers of this draft edition will … [Read more...]
FCC Issues Requirements for TCB Post-Market Surveillance
The Federal Communications Commission's Office of Engineering and Technology has issued KDB Publication 610077 detailing the requirements of telecommunications bodies (TCBs) to conduct post market surveillance of products they have certified. The document details a typical procedure that fulfills the requirements and addresses several issues that may arise in implementing a … [Read more...]
Access Homeland Security Standards Online
The Homeland Security Standards Data Base is powered online by the American National Standards Institute (ANSI). This site provides one-step access to standards critical to the jobs of first responders, code officials, and others charged with keeping the nation safe. A browsing feature lets readers access standards on threats, emergency preparedness and response, borders and … [Read more...]
Revision F of DO-160 Issued
DO-160F: Environmental Conditions & Test Procedures for Airborne Equipment was issued on December 6. 2007 and was prepared by RTCA Special Committee 135. This document provides standard procedures and environmental test criteria for testing airborne equipment for the entire spectrum of aircraft from light general aviation aircraft and helicopters through the "Jumbo Jets" … [Read more...]
On-site EMF Testing of an Emergency Network Communications Vehicle
Thorough testing requires taking measurements both inside and outside the vehicle. David A. Case, Jaime McLain and Murry Gavin Cisco Systems, Inc., Richland, Ohio, USA Experienced compliance test personnel are familiar with the usual spate of RF issues. Tasks range from performing MPE (maximum permissible exposure) studies and SAR (specific absorption rate) testing to … [Read more...]
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