The FCC carries out random audits of products that have received recent TCB grants. David A. Case NCE, NCT, Cisco, Richfield, Ohio, USA The question that occasionally comes up, generally from someone not familiar with compliance, goes something like, “What will the Federal Communications Commission do to us if we are non-compliant, or how will the agency know?” Both questions … [Read more...]
Increasing Design Flexibility for Board-Level Shielding
Today's consumers want electronic devices in all shapes and sizes, a demand that can dictate the enclosure design and board shape. David P. Donaldson, Applications Engineer, W.L. Gore & Associates, Inc., Newark, DE, USA As electronic devices are getting smaller and as consumers are demanding more features, designing printed circuit boards (PCBs) is becoming increasingly … [Read more...]
EMI Reduction Techniques for High-Demand Consumer Applications
Innovative drop-in SSC solutions effectively manage EMI, preventing costly redesign, reducing production time and maximizing valuable circuit board real estate. Narendar “Buddy” Venugopal, PulseCore Semiconductor, Campbell, CA, USA INTRODUCTION As technology advances become even more sophisticated and applications become increasingly streamlined, traditional methods of EMI … [Read more...]
Changing Standards and Test Equipment Requirements
Proposed changes to IEC 61000-4-2 will be adopted during 2009. Nicholas Wright, EMC Partner AG, Laufen, Switzerland IEC 61000-4-2 covers the immunity requirements and test methods for electrical and electronic equipment subjected to static electricity discharges. Additionally, it defines ranges of test levels appropriate for different environmental and installation … [Read more...]
Test Methodology for Dual Line EMI Filter Evaluations
Evaluation of a dual-line filter by measuring and modeling over a broad range of frequencies involves a number of complexities. James P. Muccioli and Dale Sanders, Jastech EMC Consulting, Farmington Hills, Michigan, USA INTRODUCTION When evaluating the performance of an EMI filter, there are several ways to approach the test methodology. For single-ended components such as … [Read more...]
Reminder: Deadline Approaching
The 6th Annual IEEE Symposium on Product Compliance Engineering is schedules for October 26 through 28, 2009 in Toronto, Ontario. The Call for Papers deadline is April 27, 2009. Would-be presenters should forward their intent to present and proposed topic via email before that date.Look for additional details on the Symposium website. … [Read more...]
IEEE Names Executive Director
The IEEE has announced the selection of E. James Prendergast as its new Executive Director. Dr. Prendergast will serve as chief operating officer and will manage more than 1000 IEEE staff members at seven U.S. and overseas locations. He will assume his duties on April 6, 2009. His appointment comes after a nearly eight month search by the IEEE’s Board of Directors. He joins the … [Read more...]
EMR and School Cancer Investigation
Tasmanian health officials have just released a report into their investigation of a number of cancer cases reported in staff members at the Hobart School in Hobart, the capital of the Australian state of Tasmania. Staff members and local citizens had been especially concerned because of the school’s proximity to overhead power lines and the resultant exposure to … [Read more...]
Measuring Urban Smog
Researchers and industrialists have just announced the development of a sophisticated device that can act as “pollution radar” over the Earth’s cities. A team from Surrey Satellite Technology Ltd., the University of Leicester, and EADS Astrium has developed a technology that can be placed on satellites to provide environmental monitoring from space including details on gases in … [Read more...]
EMC By Your Design
This course, previously presented to more than 2500 students, was developed over the past 22 years. In the one-day workshop (the 4th day), you will apply the material just learned to a practical application enabling immediate reinforcement of the concepts learned in the seminar.The class and workshop will help you to improve your design skills in minimizing emissions and … [Read more...]
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