Ultra Electronics, 3eTI, a provider of military-grade secure network solutions for critical information systems and other applications, has released the Ultravision Spectrum Manager, a radio frequency spectrum monitoring tool. "[The] spectrum manager provides a networked solution that monitors a broad segment of the spectrum (10MHz to 6GHz) to display both in-band and … [Read more...]
RF Recording and Playback System Ideal for Wide Range of Applications; Reproduces Issue On-Demand Quickly, Easily
QRC Technologies, a developer of RF test and measurement products, announced the release of its wide band transcorder (WBT), a “self-contained radio frequency recording and playback system,” at the Mobile World Congress 2013 in Barcelona, Spain. According to the company, the WBT is ideal for a range of applications, including but not limited to: reference signal recording and … [Read more...]
Study Investigates Spectrum Coverage in Indoor Environments
SpiderCloud Wireless, Inc., a provider of scalable small cell enterprise radio access network (E-RAN) systems to mobile operators, has announced the results of a research study completed by Signals Research Group. The study investigated the use of licensed spectrum in indoor environments, including inside shopping malls, hotels and airports; throughout college and business … [Read more...]
FCC Issues New Regulations to Combat Cell Phone Signal Booster Interference
The Federal Communications Commission (FCC) has issued new regulations on the use of cell phone signal boosters designed to prevent signal interference while continuing to allow consumers to utilize the devices. Signal boosters are frequently used by consumers to amplify or improve signal quality in areas with poor reception; however, they can often interfere with other signals … [Read more...]
BBC Accuses China of Jamming English-Language Shortwave Broadcasts
British broadcaster BBC has accused China of blocking its English-language shortwave broadcasts of World Service radio programs. Though the corporation admitted that it was not possible to determine the source of the jamming, it suggested that the “extensive and coordinated efforts are indicative of a well-resourced country such as China.” According to the BBC, though the … [Read more...]
EMI Shielding Company Appoints New National Sales Manager
Leader Tech Inc., a provider of board, enclosure and cable EMI shielding solutions, has appointed Tracy Kuhns as the company’s new national sales manager. Kuhns brings 28 years of sales and engineering experience to Leader Tech, as well as extensive working knowledge of defense aerospace, wireless, RF microwave, telecommunication and semiconductor applications and an in-depth … [Read more...]
Power-Dependent Surface Resistance of Superconductors at Microwave Frequencies
From the “International Electrotechnical Commission” webstore: “IEC 61788-16:2013 [describes] the standard measurement method of power-dependent surface resistance of superconductors at microwave frequencies by the sapphire resonator method. The measuring item is the power dependence of Rs at the resonant frequency. This method is applicable for a frequency in the range of 10 … [Read more...]
Decrease of Cell Phone Tower Installations for Health Reasons May Be Counter-Effective, Suggests India DOT
A government organization has suggested that the forced decrease of cell phone tower installations in heavily populated areas of India resulting from ongoing radiation concerns may be pressuring cell phones to compensate by increasing transmission power, exposing users to higher amounts of radiation. According to an October 2012 report released by the Department of … [Read more...]
How Can We Separate CM and DM Noise by Oscilloscope?
Editor’s note: This question was asked in response to Interference Technology’s recent webinar by Keith Armstrong. To view the webinar, click here. Question: How can we separate CM and DM noise by oscilloscope? Answer: Another question that is not associated with the subject of my webinar! The only two ways I know, whether using oscilloscopes or spectrum analyzers, … [Read more...]
Custom Magnetics Designer Joins Alliance for Wireless Power, Citing Growing Momentum of Wireless Power Transfer Market
Custom magnetics designer and manufacturer Würth Elektronik eiSos GmbH & Co. has announced that it has joined the Alliance for Wireless Power (A4WP). The A4WP is an independently operating organization comprised of wireless power and technology companies, including Samsung and Qualcomm, focused on developing a new wireless power transfer technology that allows “spatial … [Read more...]
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