Martin Wiles, Vince Rodriguez, ETS-Lindgren Developments within standards community has led to new chamber validation procedures above 1 GHz and alternative test methods using FARs. INTRODUCTION Anechoic chambers are used today for performing EMC measurements according to a variety of published EMC standards. There are many different fields of application, including … [Read more...]
Surface Scan on IC Level with High Resolution
Measuring of near field above ICs or open DIEs with precisely positioned microprobes is a new tool for engineers to detect and solve EMI levels. Jörg Hacker, Langer EMV-Technik GmbH, Bannewitz, Germany ABSTRACT Today, engineers have less time to develop electronic circuits. The time to market is getting shorter and the requirements on the products are increasing. It means … [Read more...]
Radiated Emission Measurements at 1/3/5/10/30 Meters
Daniel Hoolihan, Hoolihan EMC Consulting, Lindstrom, MN Trend shifts towards making measurements at antenna distances closer and closer to the equipment-under-test. INTRODUCTION There are two principal types of emission measurements in the world of electromagnetic compatibility: conducted emission and radiated emission. The conducted emission measurements are either a … [Read more...]
Egregious Errors in Electromagnetic Radiation Evaluation
Reasons for widely differing results in commercial radiated emission measurements. MIL-STD-461 RADIATED EMISSION MEASUREMENTS In 1967, the first version of MIL-STD-461 was introduced. Radiated emission measurements were allowed outside of a shielded room but due to the low levels of radiated emission limits, compared to an average ambient, measurements were invariably made … [Read more...]
ITEM Publications Revives Electronics Cooling Magazine
PLYMOUTH MEETING, PA, April 9, 2010 – ITEM Publications, the publisher of electronics engineering journals, today announced the return of Electronics Cooling magazine.The magazine was originally launched in 1996 by Flomerics as an aid to mechanical and electronics engineers in the area of thermal management. Flomerics, including Electronics Cooling magazine, was acquired in … [Read more...]
Drive-by-Wire and Functional Safety Considerations
Drive-by-Wire and Functional Safety Considerations Dr. William Radasky, Metatech Corporation, Goleta, CA Introduction Over the past few months there have been hearings in the U.S. Congress concerning the safety of automobiles, with emphasis on mechanical failures and repairs. On the other hand, there have also been questions raised in general with respect to the rapid … [Read more...]
Voltage Sag Testing for Industrial Equipment—and a New Power Quality Measurement Technology
Andreas Eberhard Vice President Power Standards Lab Immunity from voltage sags is vital for reliable operation of our ever-more-sophisticated electronic controls and equipment. Every electrical product should be able to ride through typical voltage sags, but in many cases the first sag test occurs after equipment is installed and in operation. Select the appropriate sag … [Read more...]
The Financial Impact in Testing to EN61326-1:2006 & EN61000-4-3:2006
Author Mekonen W. Buzuayene Introduction Changes to EMC standards that have taken place in recent years have had a significant impact on the costs associated with compliance testing. Testing to these revised EMC standards, in effect within the European Community, is a vital step to having the vital CE mark affixed to a product so that it can be sold throughout … [Read more...]
An Important Aspect of the New IPC-9592 Power Conversion Device Standard for the Computer and Telecommunications Industries
Author Angelo Fiorelli, Lineage Power Corp. A power conversion device (PCD), although simple at first glance, is a complex device and a vital component of information technology and telecommunication products. Most original equipment manufacturers (OEMs) rely on the expertise of the PCD suppliers to provide the volts and amps required in making the products perform … [Read more...]
Espresso Engineering Presents: Brian Lawrence
Brian Lawrence, Executive Director of the International Association for Radio, Telecommunications and Electromagnetics (iNARTE) discusses the evolution of iNARTE, as well as its initiatives. LEARN MORE … [Read more...]
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