AR RF/Microwave Instrumentation has announced the appointment of Jim Maginn as president, effective immediately. Maginn, who joined AR in 1992 as engineering manager, has held the position of senior VP/CEO since 2006. His extensive career began in 1975 with the Department of Defense, where he was employed as a radio systems engineer at the Naval Air Development Center. From … [Read more...]
ISO/IEC 17025 – Should the International Standard on Laboratories be Divided into Two Separate Standards?
Is there a need for a distinct testing lab standard and calibration lab standard? Daniel D. Hoolihan, Hoolihan EMC Consulting, Lindstrom, MN The flag-ship laboratory quality standard in the world is ISO/IEC 17025–General Requirements for the Competence of Testing and Calibration Laboratories. Based on years of experience using the standard, the author is recommending that … [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...]
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...]
Smart and Reliable Assessment of Electromagnetic Environmental Effects on Ordnance
Become a successful HERO tester in four easy steps. Gaétan Duplain and Charles Leduc, Opsens, Inc., Quebec, Canada Hazards from Electromagnetic Radiation to Ordnance (HERO), the potential for electromagnetic radiation to pose an adverse effect on munitions, is a familiar problem first identified in the 1950s. Avoiding the unintended detonation or malfunction of electrically … [Read more...]
RF Emission Reduction Techniques for ARM-Based Microcontroller Applications
A system's immunity can be enhanced without causing any functional drawbacks. Mart Coenen, EMCMCC bv, Eindhoven, the Netherlands INTRODUCTION With today’s digital designs and the time frame available for design-in, electrical system engineers and PCB designers are more or less forced to follow the application concepts provided by embedded device manufacturers. The … [Read more...]
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...]
Hybrid Power Amplifier Modules & Custom Solutions Offer Flexibility in Numerous RF Apps
A new line of wideband, hybrid power amplifier modules (HPMs) from AR RF Microwave Instrumentation covers the 6- to 18-GHZ frequency range. These hybrid modules require only a single DC volt source and are 50-ohm “cascadable” building blocks with output powers up 37 dBm. The six new hybrid power modules have excellent typical gain flatness, excellent noise performance, and low … [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...]
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