A new series of connectors from Spectrum Control incorporates EMI or ESD protection in an industry standard USB package. These connectors satisfy the requirements of the USB 2.0 spec, which calls for EMI and ESD protection according to industry specifications. Locating the EMI or ESD protection in the connector frees up increasingly precious PCB real estate. These devices are … [Read more...]
Active Filter Protects DC-DC Converters in Harsh Electrical Environments.
The DSF500 from XP Power is a 500-W active filter unit for use in harsh electrical environments. It has been crafted to protect DC-DC converters from the surges, spikes, and ripples that are typically found within the electrical system of any military platform—such as aircraft or vehicles. This filter complies with MIL-STD 1275A-D without the incorporation of any additional … [Read more...]
Indian Plant to Produce Soft Ferrites
DCW (Drangadhra Chemical Works) is now installing a facility for the manufacture of ferrite grade iron oxide from the effluent of the ilmenite plant. The quality of the iron oxide will enable it to be used in the manufacture of soft ferrites, which have wide applications in the electronics industry. The technology employed is the Solvent extraction process, which ensures a high … [Read more...]
New Device Features Capacitances up to 45 'F
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...]
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