On April 29, 2008, the National Security Agency declassified a report titled, "TEMPEST: A Signal Problem--The story of the discovery of various compromising radiations from communications and Comseq equipment." The story begins during World War II when a researcher noticed that every time a Bell Telephone encrypting machine encrypted a letter, a spike appeared on an … [Read more...]
Military
CAP Wireless Signs McBride Scientific Sales as Manufacturer’s Representative for U.S. Southern Region
CAP Wireless, Inc. (CAP), a leading supplier of high-performance microwave and RF amplifiers and amplifier-based subsystems, today announced that in order to provide dedicated service and support to customers in the Southern Region of the United States, the company has signed McBride Scientific Sales, Inc. as a manufacturer’s representative for Texas (except El Paso), Oklahoma, … [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...]
RFI Shielding for Volume Manufacture
PCB enclosure design, manufacture and assembly need to be considered early in equipment design to avoid costly modifications and delays in bringing the product to market. Alan Warner Tecan Components Ltd. Weymouth, UK With the proliferation of electronics, especially wireless and radio applications, in all areas of everyday life, the need for reducing radiated interference … [Read more...]
Defense Technology Firms Announces Successful Completion of EMI Testing
Australian defense technology firm Metal Storm has announced that it has conducted successful electromagnetic interference (EMI) testing on its 40-mm ammunition tail propulsion system. Testing was conducted at a National Association of Testing Authorities (NATA) accredited facility in Melbourne and was the most rigorous performed as yet on Metal Storm technology. Metal Storm … [Read more...]
IEEE Publishes Guide for the Application of SPDs for Lower Power AC Power Circuits
The IEEE Guide for the Application of Surge-Protective Devices for Low Voltage (1000 V or Less) AC Power Circuits (C62.92-2007) provides specifiers and users of surge-protective devices (SPDs) about the application considerations associated with power distribution systems within North America. This guide applies to SPDs to be connected to the local side of the service entrance … [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...]
NY Company Wins $10 Million Handheld Radio Contract
Harris Corporation of Rochester, NY is being awarded a contract for $10,204,063 to provide single-channel handheld radios that are an integral part of the Air Force Joint Tactical Radio System. Hanscom AFB, MA is the contracting activity. Learn more about this award at the Defense Link website."Is your company bidding on more military contracts? Check out our Forums … [Read more...]
Lumera Corporation Wins $2.2 Million U.S. Air Force Contract
Lumera Corp. of Bothell, WA has won a $2.2 million contract from the U.S. Air Force to fabricate low driving-voltage, reliable electro-optic modulators using its proprietary high-performance organic polymers. Utilizing RF photonics, in which optical components and optical fiber are used to process and to distribute high-speed electrical signals, helps provide the high … [Read more...]
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