As regular eNews readers may recall, a Dutch study on RFID tags and medical equipment published in the Journal of the American Medical Association (JAMA) indicated that the radio frequency emissions from these tags could have unintended and dangerous consequences by interfering with vital medical devices. Electrical interference was found to alter the rates of ventilators that … [Read more...]
German Study Finds No Evidence of Health Risk from Cell Phone Use
The Berlin-based Federal Office for Radiation Protection (Bundesamt für Strahlenschutz, or BfS) found no adverse effects associated with the use of mobile phones. German Environmental Minister Sigmar Gabriel, at left, announced that more than 50 studies carried out from 2002 to 2008 by the German Mobile Telecommunications Program had found no evidence that mobile phones or … [Read more...]
UK-Based Smiths Group Buys Australian RF Filter Products Firm
British engineering and electronics firms Smiths Group has bought Triasx Pty Ltd, a Brisbane-based wireless communications components manufacturer, from private owners for an undisclosed sum. The acquisition of Triasx expands Smiths’ Interconnects microwave business and adds the design and development of complex radio frequency filter products for the wireless communications … [Read more...]
Third Generation of Filter Architecture Targets Telecom Applications
The third generation of the Praetorian LC filter architecture from California Micro Devices is based on an innovative coupled inductor design. The Praetorian III architecture utilizes a six-pole, pi filter topology and features high cutoff frequencies, high levels of attenuation, and robust ESD protection up to 15-kV contact discharge consistent with the IEC 61000-4-2 level 2 … [Read more...]
Spread-Spectrum Oscillator Limits EMI
The VSS4 spread-spectrum oscillator from Vectron International meets FCC restrictions on permissible levels of EMI for a range of communications systems and consumer electronics applications. The VSS4 offers a frequency range of 12 MHz to 168 MHz and operates in the 140- to 85-degree C temperature range. The oscillator operates off 3.3 volts and comes with an enable/disable … [Read more...]
Clamp Device Provides Lightning Protection for Ethernet
The TClamp™ 3302N from Semtech, Inc. is a new ESD, cable discharge-, and lightning rated device for Ethernet systems. The 3302N is the latest addition to the TClamp™ product line. This new device provides telecom/datacom system designers a compact 3.3-V working voltage protection device rated for 100 A GR-1089 intra-building lightning surge. Utilizing the proprietary Enhanced … [Read more...]
Posing a Question on MIL-STD 160
An eNews reader has asked for a recommendation for training in MIL-STD 160, especially the EMC and power quality sections. To date, inquiries to knowledgeable colleagues have failed to come up with an answer. As we’ve reminded readers, the Forums section of the new interferencetechnology.com is up and running. If any of our readers can answer this query, please post your … [Read more...]
MRI Shielding and Anechoic Chamber Firms Forge Trans-Atlantic Joint Venture Agreement
Braden Shielding Systems USA and Rainford EMC Systems UK have entered into a joint venture relationship that includes technology transfer, cooperative sales, and marketing strategies for their respective medical MRI and EMC anechoic chamber technologies. Rainford with its existing shielding capabilities and support structure throughout Europe and Asia will be the exclusive … [Read more...]
Hong Kong Will Release More Spectrum
Hong Kong Will Release More SpectrumOfta, the telecom regulator for Hong Kong, has announced plans to sell off more radio spectrum to wireless telecom providers. Ofta will auction separate lots of 4.8 Hz in the 1800-MHz band. For the purposes of the sale, the spectrum will be divided into six blocks. Winning bidders will have the right to use the airwaves until 2021 when many … [Read more...]
TI unveils lowest power zero-drift instrumentation amplifier for portable, precision applications
Providing an unmatched combination of precision, low power and low supply voltage, Texas Instruments Incorporated introduced the industry's lowest power zero-drift instrumentation amplifier. The device features the lowest quiescent current and lowest input bias current versus the nearest competition, as well as an impressive power-to-noise ratio, very low offset voltage/drift … [Read more...]
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