Testing by Industry Canada has revealed that the LG150 flip-phone does not meet the radiofrequency exposure limits established by the Canadian government—i.e., Safety Code 6 as referenced in the regulations of the Radiocommunications Act. An independent accredited certification body has revoked the certification for the LG 150 model, and it is no longer eligible to be … [Read more...]
More Shielding Products
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...]
Wind Farms & the Ecosystem
The long-running saga of the attempt to build a wind farm for the “green” generation of electricity inched one step closer to construction with the release of a 2,800-page Final Environmental Impact Statement (FEIS) by the U.S. Department of the Interior’s Mineral Management Service (MMS). The proposed Cape Wind’s Horseshoe Shoals location is outside the state’s three-mile zone … [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...]
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...]
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...]
Ensuring Electromagnetic Compatibility
The IEC coordinates a worldwide system for testing electrical equipment International Electrotechnical Commission How does a hospital administrator know that using a CAT scan will not affect nearby electromagnetic systems and put patients at risk? In the early 1960s, when electrical apparatus became more widespread, not only in specialist areas, but also in the home and … [Read more...]
Time Domain Measurement System Processes Signals in Real Time
The TDEMI 3G systems is the latest addition to the TDEMI family of test instruments from Germany’s GAUSS Instruments. The system digitizes the EMI signal using an analog-to-digital unit. Simultaneously, the TDEMI 3G provides several thousand digitally simulated EMI receivers working in parallel—via an FFT-based bank of filters and parallel detectors. An extended measurement … [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...]
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