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Ericsson, Vodafone Egypt Test New Method for Implementing Lower-Cost, Energy-Efficient Mobile Broadband Networks in Rural Areas

 

Ericsson and Vodafone Egypt have successfully tested a new method for building lower-cost, more energy-efficient networks for mobile broadband services in rural areas. According to Ericsson, the Psi-Coverage solution uses one radio unit that connects three antennas together—rather than three separate radios—to “provide high quality coverage, without the power usage that is … [Read more...]

SAR Testing Laboratory Opens in California

 

National Technical Systems (NTS), a provider of testing and engineering services, announced last month that it has entered into an agreement with wireless testing laboratory RF Exposure Lab to provide specific absorption rate (SAR) testing services at the NTS Silicon Valley laboratory in Fremont, Calif. According to NTS, the new SAR testing laboratory in Fremont is equipped to … [Read more...]

New Standard Approved to Reduce Satellite Interference

 

The DVB Steering Board, an industry-led association comprised of broadcasters, manufacturers, network operators and regulatory bodies in more than 35 countries committed to creating technical standards for the telecommunications industry, has approved a new unified Carrier ID standard in a move designed to reduce radio frequency interference caused by operational errors at … [Read more...]

Solar Interference Forces NASA to Temporarily Suspend Communications to Mars Spacecraft

 

All communications from NASA's Jet Propulsion Laboratory (JPL) in Pasadena, Calif. to the Mars rovers and orbiters will be temporarily suspended during the next few weeks to prevent the sun from disrupting or damaging radio transmissions as it passes between Earth and Mars, NASA announced late last month. According to NASA, this phenomenon, known as a Mars solar conjunction, … [Read more...]

EMC Essentials – Theory and Troubleshooting

 

Title: EMC Essentials - Theory and TroubleshootingDate: June 25 - 26 2013Location: Longmont, Colo.Description: Due to the overwhelming success of the spring short course, EMCI is offering this course again on June 25 and 26, 2013. This will be the "EMC Essentials" short course originally presented by Ken Wyatt on April 2-3. Ken has presented his short courses to over 2,500 … [Read more...]

Where are the Resumes?

 

Sometimes it’s a bit of a struggle to come up with something relevant to write. I try to write about topical subjects in EMC or spectrum supportability, but sometimes things are just slow. Right now we’re trying to hire a RF Spectrum engineers for some Navy work and it's just hard to find quality resumes. I started wondering why, and I’ve concluded it’s a combination of high … [Read more...]

Test Methods to Determine Short-Time Electric Strength of Insulating Materials at Certain Power Frequencies

 

From the International Electrotechnical Commission webstore: “IEC 60243-1:2013 provides test methods for the determination of short-time electric strength of solid insulating materials at power frequencies between 48 Hz and 62 Hz. This standard does not cover the testing of liquids and gases, although these are specified and used as impregnates or surrounding media for the … [Read more...]

Giant Radio Telescope Prevents Use of Wi-Fi, Digital Textbooks, Online Standardized Testing at Nearby Public School

 

Students at a small public school in West Virginia are unable to use Wi-Fi because it could interfere with a giant radio telescope located nearby—a restriction that could spell trouble when the state completes its move to an online-only standardized aptitude test within the next two years. Located within the U.S. National Radio Quiet Zone and protected by the Appalachian … [Read more...]

FMEA Compliant, 45V LDO Features 3µA IQ

 

Linear Technology Corporation announces the LT3007, the latest member in a family of high voltage, micropower, robust PNP-based LDOs, featuring an ultralow 3µA quiescent current. The LT3007’s high input voltage capability, spanning 2.0V to 45V with an adjustable output voltage ranging from 0.6V to 44.5V, enables operation in a wide variety of application spaces. The LT3007’s … [Read more...]

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