TDK Corporation announced that it has developed a wide-band thin-film common mode filter for EMI suppression on DisplayPort interfaces. The new product which carries the designation TCM1210U-500-2P will be available beginning July 2008. The new filter measures 1.25 mm (L) x 1.0 mm (W) x 0.6 mm (T) in size and is designed specifically to suppress noise on DisplayPort … [Read more...]
Instrumentation Amplifier Includes Filters to Reduce RF Interference
The new INA333 is a is a zero-drift instrumentation amplifier from Texas Instruments with input bias current of 200 pA and quiescent current of 75 µA. Offset voltage is 25 µV, and offset drift is 0.1 µV/°C. The INA333 yields an input voltage noise of 50 nV/rt-Hz with a proprietary switched capacitor notch filter. The MSOP-8-packaged amplifier has 3 op-amp architecture and … [Read more...]
Extended Aluminum Capacitor Line Provides Z as Low as 60 mΩ
A new CRZ device from Vishay Intertechnology is the latest edition to the 150 CRZ series of surface mount aluminum capacitors. The 150 CRZ devices are now available in five case sizes, ranging from 8 mm x 8 mm x 10 mm to the larger 12.5 mm x 12.5 mm x 16 mm. The capacitors offer impedance as low as 60 mΩ at 100 kHz, a high rated ripple current of 1007 mA at +150 degrees C. and … [Read more...]
FCC to begin Field Testing TV White Space Devices
The Federal Communication Commission’s Office of Engineering and Technology (OET) announced that it will begin field testing the performance of prototype television white space devices (WSDs), commencing the week of July 14, 2008.The commission is conducting tests of prototype white spaces devices as part of its rule making to consider authorizing the operation of new low power … [Read more...]
Two CISPR EMC Drafts Issued
CISPR 15 Amd. 2 Ed. 7.0 (2008-06) and CISPR16-2-1 Ed. 2.0 (2008-06) are now available. Amendment 2 of CISPR 15 involves the “introduction of measurement instrumentation uncertainty and deletion of banning of sales.” Edition 2 of CISPR 16-2-1 involves the “specification for radio disturbance and immunity measuring apparatus and methods – Part 2-1: Methods of measurement of … [Read more...]
Long Term Exposure to ELF EM Fields Impairs Spatial Recognition Memory in Mice
A study reported in the current issue of a prominent medical publication indicates that mice that were subjected to prolonged exposure to extremely low-frequency (ELF) electromagnetic fields displayed significantly impaired spatial recognition memory. Researchers exposed the mice to 25 or 50 Hz of electromagnetic fields for either 7 or 25 days and then tested them in a Y maze. … [Read more...]
Aperture Radiation…EMC Demonstrations and Solutions: The Whys and Hows
Washington Laboratories EMC presentation - Aperture Radiation click here. … [Read more...]
RF Technology Firm Aeroflex Buys Swedish Processor Company
Colorado-based Aeroflex, Inc. has announced the purchase of privately held Gaisler Research AB of Gothenburg, Sweden. Aeroflex supplies RF and broadband technology to the aerospace, defense, and communications industries. Gaisler has developed a range of SPARC-compliant synthesizable processors that are available under free licensing terms. Known as Leon, the processor … [Read more...]
Alion Awarded $7-Million Contract to Provide RF Services to NOAA
Alion Science and Technology has won a $7-million contract to provide a wide range of radio frequency (RF) services to the National Oceanic and Atmospheric Administration (NOAA). This three-year contract was awarded through the Modeling and Simulation Information and Analysis Center (MSIAC). Under terms of the contract, any NOAA office can utilize Alion’s expertise in RF … [Read more...]
Oxlely to Provide New Custom Filter for Commercial Aircraft
UK-based Oxley Development Company Ltd. has partnered with Turbo Power Systems (TPS) to provide an EMC compliant filter system for a new commercial aircraft. In designing a rack-mounted liquid-cooled controller for the aircraft’s jettison fuel pump, TPS needed a high performance filter connector that would not only remove EMI from system and power lines but would also meet the … [Read more...]
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