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...]
Voltage Sag Testing for Industrial Equipment—and a New Power Quality Measurement Technology
An electrical product should be able to ride through any regular voltage sag. Andreas Eberhard, Power Standards Labs, Alameda, California, USA 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 … [Read more...]
New Tester Provides Fast Emissions Measurements up to 6 GH
The news TDEMI 6G is the latest addition to Munich-based GAUSS Instruments line of test instrumentation. It provides time-domain emissions measurements from 9 kHz up to 6 GHz. With the addition of the 6G, the Gauss’ TDEMI line now covers the complete frequency range required for testing to commercial EMC standards. Moreover, measurement time can be reduced by up to a factor of … [Read more...]
AR Marks 40th Anniversary
AR, with headquarters in Souderton, PA, is marking its 40th anniversary. The company’s modest beginnings, in the form of a new test amplifier, started out in the basement of Donald “Shep” Shephard, who remarked that having begun in the basement that there was no place to go but up. Formerly known as AR Worldwide, AR now consists of a family of companies: AR RF Microwave … [Read more...]
Three Additions to AR’s Product Applications Team
AR RF/Microwave Instrumentation has announced three additions to its Product Applications Team. Michael Hannon, shown at left, has been promoted to Product Applications Engineer, and Jerry Joseph and Rob Rowe have each been named Product Applications Specialists for transient and conducted immunity test systems. A graduate of Lincoln Technical Institute Michael Hannon’s … [Read more...]
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