A New Look and Feel for the EMC Buyers' Guide Every year, Interference Technology publishes an EMC Buyers’ Guide — our most up-to-date look at the providers of more than 200 EMC-related products and services. Click here to Download. IN THIS ISSUE The HF Current Probe: Theory and Application Kenneth Wyatt, Wyatt Technical Services The Urgent Need to Integrate EMC … [Read more...]
Avionics Testing Evolution
Nicholas Wright, EMC Partner AG, Laufen, Switzerland Many disturbance sources can affect the correct functioning and therefore the safety of an aircraft. The latest commercial airliner designs include many technological changes that have necessitated a review of avionic system test requirements. The trend today is to move toward structures made from Carbon Fiber Reinforced … [Read more...]
Protecting Security Systems in a Healthcare Facility from Lightning Induced Transients
A healthcare facility is a multifunctional building or campus that provides health care to citizens and when designated, also provides protection to the population in times of crisis. This includes common functions associated with patient care (e.g. operating rooms, emergency rooms, recovery rooms, etc), but also areas for educational centers, exercise facilities, food service, … [Read more...]
The Urgent Need to Integrate EMC and Product Safety into Engineering Curriculum of Technical Universities
There is an evolution in the study of electromagnetic field effects on electrical and electronic products and systems. It is progressing from an engineering art to an engineering science. The complexity and sophistication of newer technology products has added to an increased need for more consideration of EMC and Product Safety issues. These factors have increased the … [Read more...]
UL Standard on Filters Helps Provide Assurance on Safety Issues
Arguably the two biggest offenders in custom electronics hyperbole are the cabling and power conditioning/surge suppression categories. Other than power cables, the topic of cabling safety has always been innocuous because of the products’ low-voltage characteristics. Taking the safety issue to the next level, however, are power conditioner/surge suppressor components that are … [Read more...]
Wireless Medical Device Swims Through Blood
Ada Poon of Stanford University demonstrated a tiny, wirelessly powered, self-propelled medical device capable of controlled motion through a fluid – blood, to be exact. The era of swallow-the-surgeon medical care may no longer be the stuff of science fiction. Poon is developing a new class of medical devices that can be implanted or injected into the human body and powered … [Read more...]
Fire Strikes Pennsylvania EMC Testing Laboratory
A mid-afternoon fire Friday in a testing chamber in the one-story industrial building at Alion Science and Technology Corp.’s R&B Laboratory was brought under control by six fire companies within 40 minutes.The fire at the West Conshohocken, Pa., independent test facility, which provides EMC consulting and testing to government and industry customers, was called in through … [Read more...]
High Voltage Surge Stopper with Current Limit Shields
Linear Technology Corporation introduces the LT4363, an overvoltage protection controller that provides overvoltage and overcurrent protection to high-availability electronic systems. The LT4363 creates a robust, adaptable, and space-efficient design with simple control of an N-channel MOSFET. Only the controller and the MOSFET suffer the high voltage surge; downstream … [Read more...]
Floating Surge Stopper Provides Overvoltage Protection
Linear Technology Corporation introduces the LTC4366, an overvoltage protection controller for electronic systems. Operating from 9V to greater than 500V, the LTC4366 floating surge stopper utilizes an adjustable floating topology to enable very high voltage operation independent of the voltage rating of the LTC4366’s internal circuitry. Two internal shunt regulators coupled … [Read more...]
Strap Varistors for Surge Protection Devices
TDK-EPC has published a Product Brief 201 featuring strap varistors. The six-page brochure presents 40 and 50 mm varistors suitable for surge protection devices (SPDs) to protect home power entrances, as well as for photovoltaic and wind power plants.The varistors satisfy requirements of IEC61643-1 as well as the type 1 component standard for SPDs to UL 1449 3rd Edition … [Read more...]
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