Intersil has just published a new white paper, How To Improve DC/DC Converter performance with Phase Shifting Time Delay, that describes how to synchronize multiple DC/DC buck regulators using a master/slave configuration using phase shift time delay. This technique prevents ON time overlapping and reduces ripple and and will improve system EMI and power efficiency. The … [Read more...]
New Amplifiers Specifically Designed to Help Automotive Industry
Recently Vectawave Technology released two new amplifiers to address an automotive industry requirement to test RF immunity to L-band and S-band pulsed radar frequencies. VBA 1200/1400-100 is being tested in the frequency range 1.2 to 1.4GHz at 1000 watts, and VBA 2700/3100-500 is being tested at 2.7 to 3.1GHz at 500 watts, with field strengths up to 600v/m. “Both amplifiers … [Read more...]
New EMI Feed-Through Filter for Space Program
Recently Instec, LLC has manufactured and upscreened an EMI feed-through filter that meets the US Department of Defense specification MIL-PRF-28861. This filter, Instec640-102CN, from the company’s 640 Series is a bolt style, resin sealed, and C-circuit filter that will be “used for a US government space program where it will help suppress electromagnetic interference” … [Read more...]
Automatic verification of EMC pulse test equipment by means of the LabView programming environment
By Krzysztof SIECZKAREK1, Adam MAĆKOWIAK1 1Institute of Logistics and Warehousing, Laboratory of Electronic Equipment, Poznań, Poland, LA@ilim.poznan.pl Abstract: The aim of this work was to create an application dedicated to the automatic verification of test equipment used in electromagnetic compatibility testing. In order to perform it the LabView programming environment … [Read more...]
EMC Project Management and COTS
By Tim Williams Introduction One feature of the electronics industry that has become apparent, over the years of advising companies on EMC aspects of their designs, is the difficulty that many project managers seem to have in anticipating the problems that EMC requirements will cause to their project. Although it’s a universal feature – and you could say that an EMC … [Read more...]
Graphene Used to Manipulate and Control Electromagnetic Radiation
Recently, the University of Exeter provided research demonstrating how graphene’s properties can be utilized to create artificial structures that can be used to control and manipulate electromagnetic radiation over a wide range of wavelengths. Scientists at the University of Exeter “combined nano-ribbons of graphene, in which electrons are able to oscillate backwards and … [Read more...]
LTENA Conference Discusses Challenges and Advancements of Antennas
The LTE North America conference recently discussed the evolving environment of antennas and their contributions to the functionality of wireless networks, according to RCR Wireless News. Tony DeMarco, chief product officer and GM for Matsing’s base station antenna unit, introduced a spherical antenna, which is said to offer improved performance for roughly equivalent weight … [Read more...]
New GPS/multiband Vehicle-Mount Antenna
Pulse Electronics Corporation recently introduced the GPSMB501, a new GPS/multiband vehicle-mount antenna with port-to-port isolation for signal clarity. The antenna has “five connectors to access five antenna solutions -- two MIMO cellular and two dual-band MIMO WLAN and one for a global navigation satellite system (GPS plus Glonass),” according to the company. “Pulse's … [Read more...]
New EMI Gasket Materials ‘Touch’ Brochure
Recently, Stockwell Elastomerics, Inc. announced their new EMI Gasket Materials ‘Touch’ Brochure showcasing nickel-plated graphite filled elastomer products. “This touch brochure includes tactile buttons of three different electrically conductive elastomers and has been created to assist engineers tasked with specifying EMI / environmental sealing gaskets,” according to the … [Read more...]
Test of New Interference Technology May Help Speed Up Wireless Networks
Next year, Nokia Networks will team up with Artemis Networks to test a new technology that will speed up wireless service. According to Re/code, the wireless technology, called pCell, “combines radio signals to create tiny personal cells around individual devices, allowing users to access the wireless network in such a way that performance isn’t degraded." Re/code reports … [Read more...]
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