From the International Electrotechnical Commission webstore: "IEC/TR 61869-102:2014(E) provides technical information for understanding the undesirable phenomenon of ferroresonance oscillations in medium voltage and high voltage networks in connection with inductive voltage transformers. Ferroresonance can cause considerable damage to voltage transformers and other equipment. … [Read more...]
Wideband High-Power Notch Filters Reduce Cosite Interference
MtronPTI, a manufacturer of custom RF/microwave filters and frequency control products, has released the new LF9454 and LF9455 GPS band reject filters designed to reduce cosite interference from jamming systems. “Battlefield success starts with controlling the electromagnetic spectrum; but electronic countermeasures – jammers – can drown out sensitive GPS receivers on the same … [Read more...]
PCB Analyzer for Impedance Testing in Manufacturing
Agilent Technologies has introduced the E5063A PCB Analyzer for printed circuit board impedance testing in manufacturing. Tighter impedance tolerance is a direct result of increasing data rates, the company says, and more accurate impedance test solutions for PCB manufacturing are now required to achieve signal integrity. To meet that demand, the E5063A PCB Analyzer offers … [Read more...]
Chip Fuses for Low Loss and Overcurrent Protection
Schurter, a manufacturer of fuses, connectors, circuit breakers, input systems and EMC products, now offers a broad range of chip fuses developed specially for low-loss and precise overcurrent protection in secondary circuitry. Ideal for a wide range of applications such as mobile and battery-operated devices in sensor technology and industrial electronics, the Schurter chip … [Read more...]
Graphene Circuit Competes with Silicon Technology
Scientists at IBM have taken their graphene research a step further with the development of what they claim is the world’s most advanced, fully functional integrated circuit made of wafer-scale graphene. According to the researchers, the new graphene-based IC acts as a radio frequency receiver performing signal amplification, filtering and downconversion mixing and is … [Read more...]
EMC Facility Expansion Includes New 5-Meter Semi-Anechoic Test Chamber
Agilent Technologies has announced the opening of a new 5-meter semi-anechoic electromagnetic compatibility test chamber as part of a facility expansion at the company’s Santa Rosa, Calif. site. Equipped with dual antennas and two standards-compliant N9038A MXE EMI receivers, the 1,300-square-foot, 5-meter semi-anechoic chamber supports simultaneous measurements of vertical … [Read more...]
European Commission Releases New EMF Exposure Report
A European Commission health committee has released a new updated preliminary study on the health effects of exposure to electromagnetic fields. Published by the Scientific Committee on Emerging and Newly Identified Health Risks (SCENIHR), “Potential Health Effects of Exposure to Electromagnetic Fields” is an update to a 2009 study and aims to take into account technological … [Read more...]
European Government Group Says No to Satellite and Wi-Fi Spectrum Sharing
The intergovernmental coordinating body for European state telecommunications and postal organizations has concluded that wireless devices and satellite radars cannot successfully coexist in the same part of radio spectrum, the head of the body’s technical committee announced Jan. 28. Space News reports the European Conference of Postal and Telecommunications Administrations … [Read more...]
Electromagnetic Simulation Suite for PCB Design Delivers End-to-End SI Analysis
Simulation technology developer ANSYS has released a new electromagnetic simulation suite for the design of high-speed printed circuit boards (PCB) and integrated circuit (IC) packages. Powered by its hybrid, full-wave finite element electromagnetic solver engine, the new SIwave suite—emcompassing SIwave-DC, SIwave-PI and Slwave—delivers a complete signal integrity analysis … [Read more...]
Rugged Gigahertz Probe for RF and Power Integrity Testing
PacketMicro has expanded its HSProbeTM product family for printed-circuit board testing with a 12-GHz probe. Equipped with rugged BeCu probe tips, the new 12-GHz probe is ideal for RF and power-integrity testing that requires direct probing on top of circuit components or test pads on an uneven surface. "Constant shrinking size of circuit components makes soldering … [Read more...]
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