The Duke of Kent visited MILMEGA Ltd. earlier this week, in recognition of the company winning the Queen’s Award for Innovation in late 2012. The Duke toured the factory, stopping frequently to talk with MILMEGA staff involved in product design, manufacturing and testing. Andy Kozakewycz and Richard Hazeldine enjoyed lively technical discussions with the Duke regarding the … [Read more...]
Deep-Sea Wireless Network Connects Land-Based Devices
Researchers at the University of Buffalo, N.Y. have developed an underwater wireless network that could one day improve tsunami detection, offshore oil and natural gas exploration, military and law enforcement applications, pollution monitoring and other similar activities. The new system will solve one of the main problems facing underwater data transmission, says Tommaso … [Read more...]
High Current Shielded Power Inductors Available in Low DCR and High Isat Versions
Magnetic component supplier Coilcraft’s new SER80xx series high current shielded power inductors are offered in two versions—one providing exceptionally low DC resistance and the other offering saturation current ratings up to 53 Amps—making them ideal for a broad range of applications. Designed for applications with high average current (up to 13 A rms), the low DCR version … [Read more...]
New Three-Phase Line Reactors for Frequency Converters
Electronic components manufacturer TDK Corporation has released new EPCOS standard three-phase line reactors for frequency converters with input rectifier stages. Designed for a rated voltage of 520 V AC and a short-circuit voltage of 5-6 percent—depending on the type—the new B86305L* series line reactors are suitable for suppressing electromagnetic interference caused by the … [Read more...]
New Millimeter Wave Amplifier for Demanding Military and Commercial Applications
API Technologies, a provider of RF/microwave, microelectronics and security solutions for critical and high-reliability applications, today announced the addition of a new standard 44 GHz millimeter wave (MMW) amplifier to its family of products. The new model BXHF1075 amplifier features an ultra-high frequency, two-stage design for high gain and medium power, and is enclosed … [Read more...]
Technology Allows Data Transfer through Metal Shielding
British engineers have reportedly discovered a way to bypass the Faraday cage effect that prevents the entry or escape of an electromagnetic wave through a metallic enclosure. According to a statement released by developer The Technology Partnership (TTP), new patent-pending Fluxor technology creates a “window” for electromagnetic transmission of power and data by applying a … [Read more...]
Galvanic Isolation in Small Packages for Industrial Applications
Semiconductor design and manufacturing company Texas Instruments has released new 2.5-kVrms digital isolation devices. Reducing board space without compromising protection from lower isolation ratings or EFT surges is increasingly important in industrial automation applications, such as programmable logic controllers (PLCs) and sensors, and fieldbus applications, such as … [Read more...]
EMC – Grounding on Automation and Control Systems Applications to Eliminate Electromagnetic Interference in Industrial Plants
Author Roberto Menna Barreto QEMC - Engenharia, Qualidade e Compatibilidade Eletromagnética Ltda., Rio de Janeiro, Brazil [email protected] Summary The preservation of signals and equipment are generally characterized by the term Electromagnetic Compatibility (EMC), whose essence will translate in its own grounding system. The proper EMC improvement in the … [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...]
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...]