Vishay Intertechnology, Inc. announced its new VYI Series of AC-line-rated ceramic disc safety capacitors. The capacitors offer reduced sizes, increased reliability and higher pulse strength up to 10 kV. The VYI Compact Series offers body diameters of 7.5 mm. “Featuring Y5U ceramic dielectrics, the VY1 Compact series is optimized for RFI and AC line filtering applications in … [Read more...]
Spaceship Antenna to Prevent Communication Blackouts
A team of scientists from the Harbin Institute of Technology proposed a new spaceship antenna to prevent space communication blackouts. The group’s research has been published in the Journal of Applied Physics. The new antenna can prevent communication blackouts in space when spacecraft are coming back into Earth’s atmosphere. “The proposed technique can maintain … [Read more...]
‘Pregnant Women’ Wi-Fi Router Setting Causes Debate in China
Two Chinese tech firms, Qihoo 360 and Xiaomi, have quarreled over a wireless router with a unique setting for pregnant women. The two firms are intense rivals and have both recently released new products. Qihoo 360 released the wireless router that is currently at the center of controversy. The router has three settings: wall penetration, balance and pregnant women. The … [Read more...]
Energy-efficient Electric Car: No AM Radio Due to Possible EMI
The BMW i3 Electric Car was the most energy-efficient car sold in the U.S. this year, according to Green Car Reports. However, consumers noticed the car does not offer AM Radio. “AM is not offered due to negative performance influences of the electromagnetic interference of the electric drivetrain. Electric motors cause interference on AM which is why BMW decided to remove … [Read more...]
Saharan Ants Control Electromagnetic Waves to Stay Cool
A joint project conducted by Columbia University, The University of Washington and the University of Zürich indicates how Saharan Silver Ants stay cool in one of the hottest climates in the world. The team’s research paper titled ‘Saharan Silver Ants Keep Cool by Combining Enhanced Optical Reflection and Radiative Heat Dissipation’ was recently published in Science … [Read more...]
Defense Contractor to Produce Electromagnetic Aircraft Launch System
General Atomics, a defense contractor in San Diego, Calif., announced it will produce the Electromagnetic Aircraft Launch System (EMALS) and Advanced Arresting Gear (AAG) for the John F. Kennedy aircraft carrier under a contract from the U.S. Navy. The EMALS system uses bursts of electromagnetic energy to launch planes and jets into the air. It takes up less space on ships, … [Read more...]
EMI from Smartphones May Affect Cardiac Devices
Dr. Carsten Lennerz, cardiology resident in Germany, presented results of a study on Monday at the European Heart Rhythm Association (EHRA) Eurospace Cardiostim. “Pacemakers can mistakenly detect electromagnetic interference (EMI) from smartphones as a cardiac signal, causing them to briefly stop working. This leads to a pause in the cardiac rhythm of the pacing dependent … [Read more...]
Company Offers New EMI Filter Solutions
Astrodyne TDI offers new EMI Filter products and solutions with its recent acquisition of product lines from Filter Concepts, LCR Electronics and Radius Power. “We offer an extensive range of UL, cUL and IEC approved standard off the shelf filters for Power Entry (IEC Inlet), DC (up to 1200Vdc), single phase (up to 300Vac), and 3 phase (up to 600Vac) applications that directly … [Read more...]
IEC 60143-3:2015
Publication date: 2015-06-09 IEC 60143-3:2015 has been released. The standard is titled, "Series Capacitors for Power Systems - Part 3: Internal Fuses." "IEC 60143-3:2015 applies to internal fuses designed to isolate faulty capacitor elements, to allow operation of the remaining parts of that capacitor unit and the bank in which the capacitor unit is connected. Such fuses … [Read more...]
Military Radio Frequencies May Interfere with Garage Door Openers
Remote-control garage door openers near the Blue Grass Army Depot in Richmond K.Y. may stop working due to military radio systems switching to a new frequency range. The U.S. military will switch all land mobile radios (LMRs) to new frequencies, which are also the same frequencies used by certain unlicensed consumer devices, like garage door openers. These frequencies have … [Read more...]
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