The world’s longest superconducting cable has been integrated into the power grid of a city in Germany, marking the start of a landmark practical test with the potential to save billions of dollars in power industry costs around the world. “This is a good day for . . . the transformation of the energy system in Germany. Today, we start the first practical test of … [Read more...]
Shielded Test Boxes for R&D, Quality Control and Wireless Coverage Testing
Select Fabricators has introduced new lightweight, collapsible RF shielding boxes designed to facilitate better testing of wireless devices for R&D, manufacturing quality control and coverage testing for cellular carriers. Ideal for use by electronics testing laboratories in the commercial and industrial wireless, automotive, aerospace and defense industries, the new … [Read more...]
New Magnetic Material Could Boost Hard Drives, Protect Electrical Grids
Scientists at the University of California, San Diego have developed a highly sensitive magnetic material they say could drastically change computer hard drives and electrical grids. Made of thin layers of nickel and vanadium oxide, the material is extremely responsive to heat and requires only a small shift in temperature to alter its magnetic properties. "We can control the … [Read more...]
IEC 61000-4-19:2014 – Electromagnetic Compatibility (EMC) – Part 4-19: Testing and Measurement Techniques – Test for Immunity to Conducted, Differential Mode Disturbances and Signalling in the Frequency Range 2 kHz to 150 kHz at A.C. Power Ports
The International Electrotechnical Commission (IEC) has published IEC 61000-4-19:2014, "Electromagnetic Compatibility (EMC) - Part 4-19: Testing and Measurement Techniques - Test for Immunity to Conducted, Differential Mode Disturbances and Signalling in the Frequency Range 2 kHz to 150 kHz at A.C. Power Ports." The new standard is available in the IEC’s webstore here. "IEC … [Read more...]
Coaxial Lightning Arrestor Supports 0 to 6 GHz
AIR802 has introduced model LPNFNF06, a new N female to N female coaxial lightning arrestor or surge protector supporting 0 to 6 GHz. Unlike typical protectors, this corrosion-resistant model is tri-metal-plated to minimize intermodulation distortion (IMD). Additional features include a 90 VDC breakdown voltage, 0.5 dB low insertion loss at 6 GHz, 50 ohm impedance and maximum … [Read more...]
Common Mode Filters Feature Integrated ESD Protection
NXP Semiconductors has announced the availability of a new family of common mode filters with integrated ESD protection for high-speed MIPI D-PHY and HDMI interfaces. The new PCMF series offers a typical common mode rejection of more than 12 dB in the band between 300 MHz and 8 GHz. The PCMF2DFN1 (for two differential line pairs) and the PCMF3DFN1 (for three line pairs) are … [Read more...]
Man-Made Electromagnetic Noise Disrupts Bird Navigation
Scientists have known for decades that migratory birds orient themselves using the Earth’s magnetic field in order to fly in the right direction. Now, German researchers have documented for the first time that man-made electromagnetic radiation interferes with these birds' internal compasses. The phenomenon was discovered by Henrik Mouritsen, a professor of neurosensory … [Read more...]
Genetic Approach Yields New Broadband Metamaterial
Researchers have created a specially-formed material using genetic algorithms they say could shield objects from detection by infrared sensors, protect instruments and be modified to cover a variety of wavelengths. "The metamaterial has a high absorption over broad bandwidth," Jeremy A. Bossard, postdoctoral fellow in electrical engineering at Penn State, said. "Other screens … [Read more...]
Data Centers Vulnerable to EMPs, Say Experts
Data centers, used to house computer systems and associated components such as telecommunications and data storage systems, store everything from classified government information to personal photos posted on social media websites. Designers must consider a number of key factors when constructing a data center facility, including site selection, mechanical and electrical … [Read more...]
Integrated Chokes Feature Reduced Footprint and Increased Efficiency
Pulse Electronics Corporation has announced the release of the PA4040 series of chokes, which integrate a common mode (CM) and differential mode (DM) choke into the same component. According to the company, combining two separate magnetic components into a single integrated component reduces power losses across the EMI filter portion of the power supply because it reduces the … [Read more...]
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