Line of Silicone and Fluorosilicone Elastomers Offers Variety of Design OptionsConductive elastomers from UK-based Kemtron Ltd. are fully post cured silicones or fluorosilicones with highly conductive particles that provide low contact resistance between mating surfaces. The various fillers have been chosen to ensure galvanic compatibility between the surfaces. Extruded … [Read more...]
Boosting Lab Quality
A Memorandum of Agreement (MOA) has been executed between the international Association for Radio, Telecommunications and Electromagnetics, Inc. (iNARTE) and the ANSI-ASQ National Accreditation Board LLC (d.b.a. ACLASS). The MOA provides a framework for both organizations to cooperate in the development of training and professional certification programs intended for managers … [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...]
Test Beyond the Specs: Why Test Higher in Frequency and Field Strength?
IEC 61000-4-3: 2006’s frequency escalation Jason Smith and Pat Malloy, AR RF/Microwave Instrumentation Souderton, PA An increasing number of new and proposed EMC standards are pushing the upper frequency test limits higher into the microwave spectrum. The latest EMC standard released, IEC 61000-4-3: 2006, is no exception. The upper frequency test limit has been increased from … [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...]
Proposed Federal Legislation Would Foil Felons’ Cell Phone Use
U.S. Senator Kay Bailey Hutchinson (R-TX) at left and U.S. Representative Kevin Brady (R-TX) have introduced legislation, the Safe Prisons Communications Act of 2009. The legislation would allow the Director of the Federal Bureau of Prisons, a state Governor, or a Governor’s designee (depending on whether the facility is federally or state operated) to submit a petition to the … [Read more...]
German Study Finds No Short Term Effects on Children and Teens Using Cell Phones
A new German study released on Monday, January 12, shows no short-term effects on children and teenagers who use cell phones. The data comes from research undertaken at Munich’s Ludwig-Maximillians-Universität and headed by Prof. Katja Radon. The study which involved over 3000 young people ages eight to seventeen measured over a 24-hour period, found no link between exposure to … [Read more...]
UK’s Department of Health Urges Lifting of Hospital-Wide Mobile Phone Bans
Last week the UK Department of Health (DH) released a statement that urged hospitals to consider allowing the more liberal use of mobile phones. The updated guidance indicates that NHS trusts should consider giving patients, staff, and visitors the widest possible use of mobile phones in situations where it does not cause a nuisance or interfere with equipment or the privacy of … [Read more...]
ETSI Technical Report on EMC, Spectrum Use, and Implanted Medical Devices
The European Telecommunications Institute (ETSI) has issued ETSI TR 102 655 V1.1.1, which deals with electromagnetic compatibility and radio spectrum matters. This document defines new requirements for radio frequency spectrum usage for low-power active medical implants and their peripheral radio control systems. The report also proposes a concept that should permit a … [Read more...]
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