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Interference Technology

For EMI / EMC Engineers

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Interference Stymies Radio Test

 

The BBC has released a report on its year-long test of digital medium wave (DMW) radio (or digital radio mondiale (DRM) radio) that is reported to offer a more robust signal that carries for greater distances than analog radio broadcasting. The trial was held in southwest England using the frequency of BBC Radio Devon and was codenamed project Mayflower. Volunteer listeners … [Read more...]

Shielding Firm Expands to Europe

 

The MuShield Company of Londonderry, New Hampshire has announced the recent opening of a European division. Mushield’s European headquarters is located in the Netherlands, and a regional sales office is in France. Mr. Xavier Génaux will be the leading sales, marketing, and project manager during the introduction of the MuShield brand of magnetic shielding products and … [Read more...]

Key NASA Appointments

 

Space radiation will be just one of the concerns for the new head of NASA. President Barack Obama has chosen retired astronaut Maj. Gen. Charles Bolden to lead NASA. He also named former NASA associate administrator Lori Garver to the number two post at NASA. If confirmed, Bolden, who flew in space four times, would be only the second former astronaut to run NASA. Vice Adm. … [Read more...]

IEC Issues Two Amendments on EMC Testing and Measurement Techniques

 

The International Electrotechnical Commission (IEC) has issued two amendments on EMC testing and measurement techniques. IEC 61000-4-34-amd1 Ed.1.0 is entitled “Electromagnetic compatibility (EMC) – Part 4-34: Testing and measurement techniques – Voltage dips, short interruptions and voltage variations immunity tests for equipment with mains current more than 16 A per … [Read more...]

Interference Technology Presents: AR RF/Microwave Instrumentation

 

This video features the first part of our conversation with AR RF/Microwave Instrumentation’s President and Founder Don “Shep” Shepherd on the EMC testing industry.  Shep discusses some of the industry trends that have had the biggest impacts on test engineers, his take on EMC in the news in regards to automotive applications, and more.For more information, contact AR … [Read more...]

Significance of Dielectric Materials for In-Vehicle Electromagnetic Field Computation

 

Studies suggest that models based on only the metallic parts of a vehicle can provide useful data for predicting the electromagnetic performance of complex systems such as vehicles. Alastair R. Ruddle, Ph.D., MIRA Limited, Nuneaton, UK Numerical modeling is an increasingly popular approach for investigating electromagnetic issues in complex systems. Possible applications … [Read more...]

A Short History and Review of Shielded Cables

 

Effective Shielding prevents interference from entering or emanating from a cable. Don Dodge, Calmont Wire and cable, Inc., Santa Ana, California, USA HISTORY In the late 1800s, as the use of electricity was first being used for communications, interference reared its ugly head. The imperative for some form of mitigation became apparent. The first attempts involved wire … [Read more...]

Properly Applying Surge Protective Devices (SPDs) in a Health Care Facility

 

Protecting electrical systems within a facility is paramount to ensure equipment operation and longevity. Bryan Cole, Technology Research Council, Nichols, New York, USA Jim Tiesi, Emerson Network Power Surge Protection, Binghamton, New York, USA Surge protective devices (SPDs) are utilized in numerous applications: commercial buildings, telecommunication shelters, industrial … [Read more...]

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