The new B3292*E/F series from EPCOS offers X2 safety class capacitors with capacitances up to 45 'F. These components were developed for across-the-line applications at 305 VAC and 110 degrees C and are approved to IEC 60384, UL1238, and CSA 22.2 No. 8. The B3292*E/F series makes it possible to design EMI filters with a single 45-'F capacitor, resulting in the use of less PCB … [Read more...]
Navy Plans to Buy EMI Shielded Cabinets
The Naval Surface Warfare Center, Panama City Division intends to purchase a number of EMI shielded, shock qualified equipment cabinets with two independent 235 CFM cooling fans, mounted in the top rear of the cabinet with the intake in the bottom. The cabinets will require EMI air filters on the intake and outflow. The cabinets must be certified to MIL-STD-461E, shipboard … [Read more...]
Managing & Planning the EMC of MOTS and COTS Used Within MOD Systems & Platforms
Defense contractors intending to supply military off-the-shelf (MOTS) and/or commercial off-the-shelf (COTS) electrical/electronic equipment for use on UK military platforms, or to integrate them into UK military systems now have new guidance on a risk assessment process for achieving electromagnetic compatibility (EMC). Pete Dorey, senior EMC consultant at TUV Product Services … [Read more...]
Filter Connectors Designed With Multilayer Varistor Arrays
Affordable transient protection is now available within electronic connectors Chris Noade, Syfer Technology Limited Arminghall, Norwich UK "Connectors contribute nothing to electronic equipment" is an old and contentious statement that raised a few hackles when written, but is now undisputedly outdated and wrong! A modern connector, in isolation, can fulfill the equipment … [Read more...]
ZERO GROUND Technology Receives Approval for Mining Industry Use
Illinois-based ZERO GROUND, well known maker of wiring and shielded conduit systems, has announced that it High Frequency Extraction System (HFES™) that reduces high frequency ground currents, has been formally approved by the U.S. Department of Labor, Mining Safety and Health Administration (MSHA) for use in underground and surface mines located in the United States. This ZERO … [Read more...]
IEC Issues Draft of Amendment on ICs and Measurement of EM Emissions
IEC 61967-6 am1 Ed. 1.0 is entitled "Integrated Circuits - Measurement of Electromagnetic Emissions, 150 kHz to 1 GHz - Part 6: Measurement of conducted emissions - Magnetic probe method." The Final Draft International Standard has the following voting period: 2007-11-30 to 2008-02-01. Purchasers of this draft version will receive the definitive version once it … [Read more...]
New COTS Power Supply Meets MIL-STD 461E and Other Standards
The new VME450 from Vicor Corporation is a single slot power supply characterized by 28 VDC (filtered) and outputs of 3.3, 5, and ±12 V. The VME450 meets MIL-STD-704F with a normal range input voltage of 22 VDC to 29 VDC, 28 VDC nominal, and 50 VDC (12.5-msec transient). This MIL-COTS solution is compliant per the vibration requirements of MIL-STD-810F and the EMI requirements … [Read more...]
Schaffner Group AG Moves Last of EMC Production from Western Europe to Hungary
The Schaffner Group AG is relocating its European production activities for EMC components and standard power quality products to Hungary. The focus of activities at the Schaffner Group's Luterbach, Switzerland headquarters will be strategic management, the global innovation center, and other tasks involving global marketing. Schaffner Jacke in Buren, Germany, will continue to … [Read more...]
Antenna Manufacturer Includes 60-Ft. Tapered Anechoic Chamber in New Test Facility
Dielectric Communications, a manufacturer of broadcast antenna systems has included new state-of-the-art test equipment in its new high-performance testing facility in Raymond, ME. With its new facility, company test personnel hope to expand their RF testing capabilities and to achieve full isolation of the variables that affect the performance of its antennas, filters, and … [Read more...]
Spread Spectrum IC Reduces EMI in USB Applications
A USB 2.0 Peak EMI Reduction IC from PulseCore Semiconductor uses spread spectrum technology to achieve compliance in USB applications. The PCS3P73U00A is based on patent-pending technology and is said to simplify EMI reduction while reducing or eliminating the need for expensive metal shielding, ferrite beads, conductive paint, or filtering networks. Spread spectrum clocking … [Read more...]
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