Washington Laboratories, Ltd. (WLL), Interference Technology, and American TCB have launched Espresso Engineering - a new, weekly series of videos covering EMC, Safety, Environmental Engineering, and more. Today’s first three program feature:1. Introduction to Espresso Engineering2. Compliance Testing: Immunity Performance Criteria, featuring Ms Coco Bean! 3. Espresso … [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...]
Is Your Surge Protection Strategy Adequate for Dealing with Extreme Environments?
Relevant data and basic calculations can determine the level of lightning protection needed for a particular facility. Bryan Cole Technology Research Council Nichols, NY, USA Jim Tiesi Emerson Network Power Surge Protection Binghamton, NY, USA High-reliability systems require system up-times that approach reliability requirements of 99.9999 percent. Putting this requirement … [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...]
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...]
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...]
Don’t Settle for Being Just an E3 Engineer—Become an E3 Advocate!
Expand your E3 support role so you can provide your project with a “best value” solution by taking project priorities into consideration WOODY HAWTHORNE INTRODUCTION It is often the accepted practice for the E3 engineer on a program simply to provide his technical expertise on meeting EMI, EMC, EMP and other E3 requirements and to let others take the recommendations 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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