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Interference Technology

For EMI / EMC Engineers

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Shielding

Shielding of an EMG Machine Utilizing a Conductive Tent

 

Testers seek to remedy the longstanding problem of “noisy’ responses from an EMG instrument. Terence P. O’Laughlin and Michael J. Oliver, MAJR Products, Saegertown, Pennsylvania, USA INTRODUCTION This paper presents a shielding methodology and test in which an electromyography (EMG) instrument is shielded from spurious electromagnetic and radio frequency interference … [Read more...]

The Global EMC University: 2009 IEEE International Symposium on Electromagnetic Compatibility

 

The Global EMC University was first offered at the 2007 IEEE EMC Symposium in Honolulu, Hawaii as a means of helping engineers who were new to EMC to get up to speed on a variety of topics that are an important part of EMC engineering. The overwhelming response to this program caused the Symposium Committee to add it to the Technical Program for the 2008 Symposium in Detroit … [Read more...]

Technical Paper Sessions

 

Approximately 160 regular technical papers and approximately 30 Special Session papers are expected to be presented at EMC 2009 in Austin. The Technical Paper Sessions are aligned according to technical topic areas associated with the IEEE EMC Society Technical Committees.The greatest number of papers received was in the topic area of EMC Measurements (TC2). Over 40 papers are … [Read more...]

EMC Society Technical Committees

 

What is a technical committee? The 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, to organize and operate sessions at symposia,  to generate and develop standardsn and to evaluate the “state of the art” in EMC … [Read more...]

Low Frequency Magentic Shielding: An Integrated Solution

 

Innovative direct coating technique as an alternative to conventional foils Rich Emrich and Andrew Wang, Integran Technologies Inc.; Toronto, Canada INTRODUCTION Many electrically sensitive devices, such as transducers, sensors, detectors, and test instrumentation require protection from electromagnetic interference (EMI). Higher frequency interference is normally shielded … [Read more...]

EMC 2009 Call for Demonstrations – Call for EMC Computer Modeling & Simulation Demonstrations

 

In this highly popular symposium event, fundamental EMC modeling approaches and simulation methods are illustrated through a series of interactive computer demonstrations. Various computational electromagnetic (CEM) modeling techniques will be demonstrated illustrating their application to simple canonical type problems in order to show how specific EMC problems can be solved. … [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...]

Plated Mesh Features Encapsulated Wires

 

The EMIgard™ Series of conductively plated, optical fine wire mesh for EMI/RFI shielding of electronic displays and enclosures is available from Dontech. This shielding mesh is manufactured in 304 stainless, copper, and custom alloys. Meshes are available from 50 to 250 openings per inch (opi) in standard sheet sizes of 22″ x 28″ or precut to a specific size. In a unique, … [Read more...]

Connector-Seals Provide Both EMI and Environmental Shielding

 

Connector-seals from Spira Manufacturing have been crafted to provide an EMI and connector seal in flange-mounted connectors for the life of a system. These shielding gaskets are made by attaching a Spira-Shield O-Ring to an environmental sealing retaining frame. The retaining frame consists of a stainless steel plate with vulcanized silicone or fluorosilicone sheeting on both … [Read more...]

Zipped Shielding Jacket Facilitates Easy Installation

 

ShieldZip™ from Alco Technologies is a flexible, economical EMI/EMP shielding jacket for easy installation. It routs around corners and can be used for the retrofitting of cable bundles or harness installations. ShieldZip combines the shielding effectiveness of multi-layered knit wire mesh, a heavy duty brass zipper, and a protective durable jacket. The heavy duty brass zipper … [Read more...]

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