DCW (Drangadhra Chemical Works) is now installing a facility for the manufacture of ferrite grade iron oxide from the effluent of the ilmenite plant. The quality of the iron oxide will enable it to be used in the manufacture of soft ferrites, which have wide applications in the electronics industry. The technology employed is the Solvent extraction process, which ensures a high … [Read more...]
National Security Agency Declassifies Report on TEMPEST
On April 29, 2008, the National Security Agency declassified a report titled, "TEMPEST: A Signal Problem--The story of the discovery of various compromising radiations from communications and Comseq equipment." The story begins during World War II when a researcher noticed that every time a Bell Telephone encrypting machine encrypted a letter, a spike appeared on an … [Read more...]
Intertek Announces Support for Earthquake Relief Efforts
Interek, the international test, evaluation, and consulting firm, has announced a donation in excess of one million RNB (renminbi or people’s money) to support relief efforts for the earthquake victims in Sichuan, China. The monies will be split between UNICEF, the Red Cross, and the Red Crescent. Intertek is matching donations of its employees in more than 110 countries where … [Read more...]
A Second Look at the FCC Dynamic Frequency Selection Certification Issues
Both manufacturers and test labs must decide on the proper test procedures for DFS products. Since July 20, 2006, systems operating under FCC Part 15.407, specifically in the 5250- to 5350-MHz and the 5470- to 5725-MHz bands, are required to support Dynamic Frequency Selection (DFS) before the products can be certified. As part of the approval process, the FCC must carry out a … [Read more...]
New Device Features Capacitances up to 45 'F
The new B3292*E/F series from EPCOS offers X2 safety class capacitors with capacitances up to 45 'F. These components were developed for across-the-line applications at 305 VAC and 110 degrees C and are approved to IEC 60384, UL1238, and CSA 22.2 No. 8. The B3292*E/F series makes it possible to design EMI filters with a single 45-'F capacitor, resulting in the use of less PCB … [Read more...]
Evaluation of the Printed Circuit Board Power Distribution Network Design and Its Effect on EMI
Authors Norm Smith (Teradata Corp.), Jun Fan (UMR), John Andresakis (Oak-Mitsui Technologies), Mark Harvey (Sanmina-SCI), Jim Knighten (Teradata Corp.) Abstract Embedding capacitive layers inside the Printed Circuit Board (PCB) have demonstrated the ability to reduce the number of Surface Mount Technology (SMT) chip decoupling capacitors on the PWB surface as well as … [Read more...]
In-Flight Cell Phone Ban Approved by Congressional Committee
H.R. 5788 received approval via voice vote by the House Transportation and Infrastructure Committee and can now move on to consideration by the U.S. House of Representatives. This bill would make permanent the long-standing ban on onboard use of cell phones by the Federal Aviation Commission and the Federal Communications Commission. Cell phone calls have long been prohibited … [Read more...]
Reminder: Hearing Aid Compatibility Agents Must Be in Place
The Consumer and Government Affairs Bureau of the Federal Communications Commission released the 2008 Hearing Aid Compatibility Report and Order on February 28, 2008. The obligations placed on wireless handset manufacturers and public mobile service providers became effective on June 6, 2008. Specifically, the Commission amended section 68.418 of the hearing aid compatibility … [Read more...]
NTS Approved to Perform Wireless USB Compliance Testing
National Technical Systems Inc. announced that it has been approved by the USB Implementers Forum (USB-IF) as an Independent Test Lab (ITL) to perform testing for products based on the Wireless USB 1.0 Specification.This approval increases the range of USB products NTS has tested over the years, from early USB 1.1 peripherals to current wireless USB peripherals.Visit the NTSweb … [Read more...]
News from 2008 EMC Detroit: Intertek Sponsors Roundtable Discussion on EMC Trends
Internationally-known testing firm Intertek sponsored a roundtable discussion: the Third Annual Broad Spectrum EMC Forum--"What Trends Will Effect You, and What Can You Do About Them?" Moderated by Intertek's Roland Gubisch, the panel included Kurt Fischer of NIST, Lee Hill of Silent Solutions, Derek Walton of LF Research, and Werner Schaefer of Cisco Systems.The remarkably … [Read more...]
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