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Interference Technology

For EMI / EMC Engineers

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Technical Committees

 

Technical Committees play an important role in the overall success of the EMC Society by promoting activities in their fields and providing expert knowledge and assistance to generate and review technical papers, organize and operate sessions a t symposia, generate and develop standards and evaluate the "state of the art" in EMC science. All meetings are open to everyone; join … [Read more...]

The Dip Tube

 

A formalized materials qualification process is essential in preventing non-conforming or suspect counterfeit packaging that can lead to ESD hazards during parts inspection process, long-term storage issues and failures in manufacturing. Robert J. Vermillion, CPP/Fellow, RMV Technology Group, LLC, NASA-Ames Research Park, Moffett Field, CA The aerospace community has made … [Read more...]

The IET’s Guide on EMC for Functional Safety

 

When correctly applied, real financial savings can be expected, along with a significant reduction in financial risks. Keith Armstrong, Cherry Clough Consultants, Stafford, UK Electronic complexity is increasing with no end in sight, increasing self-generated noise levels, while the feature sizes in silicon integrated circuits continue to shrink, making them emit more noise … [Read more...]

2010 Update on IEMI and HEMP

 

INTRODUCTION It has been three years since the state of the art dealing with IEMI and HEMP has been updated in the Interference Technology Annual EMC Guide in 2007 [1]. A significant amount of work has been accomplished worldwide during this period. This paper will review significant special sessions and tutorials at International EMC Conferences, published papers and reports, … [Read more...]

COTS Alternatives to MIL SPEC Flexible Conduit Systems for EMI/RFI Containment

 

Applications, electrical and physical performance, termination and installation factors of shielded flexible conduits. Linda Sardone, Zero Ground Electronic solutions for military and government equipment and installations are expanding rapidly, and the need for supplemental shielding of cable runs via conduit is moving beyond traditional applications requiring MIL SPEC … [Read more...]

Halogen-Free Embedded Capacitance Material

 

Design engineers in the electronics industry who are seeking ways to improve power integrity and reduce electromagnetic interference while meeting halogen-free requirements now have a new solution to meet their needs. The 3M Electronic Solutions Division now offers halogen-free* versions of its Embedded Capacitance Material. 3M’s ECM is a thin, capacitor laminate, which can be … [Read more...]

Military Frequencies Interfere with Consumer Electronics

 

Interference from radio transmissions from Navy equipment in coastal neighborhoods of San Diego is suspected of causing problems for people trying to operate wireless devices to unlock cars and open garage doors. While not taking responsibility for the trouble, local Navy officials released a statement acknowledging that some military devices operate on the same frequencies as … [Read more...]

Choosing the Right Chamber for Your Test Requirements

 

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...]

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...]

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