Sound Transit and the University of Washington are working out a $43 million deal to move some of the university’s labs across campus, in order to avoid interference caused by an underground light rail tunnel. The lab buildings in question contain very precise and sensitive equipment, such as electron microscopes, that are extremely vulnerable to electromagnetic interference. … [Read more...]
British Aristocrat Claims RF Interference in Drunk Driving Arrest
The recent court case of a British aristocrat with close ties to Princes William and Harry has once again highlighted the issue of breathalyzer radio frequency interference. Nightclub owner Guy Pelly was pulled over while driving his Audi R8 GT V10 Coupe through central London last May after reportedly visiting one of his exclusive clubs. The 32-year-old reportedly refused to … [Read more...]
New SPADs Maximize Precision While Minimizing Noise
Researchers at NIST’s Physical Measurement Laboratory have created a new, highly-efficient single-photon avalanche diode (SPAD) that is able to detect millions of photons per second while limiting noise. SPADs are detectors able to amplify the effect of one photon into a signal large enough to quantify and measure, amplifying miniscule electrical “hits” into an exponential … [Read more...]
National Measurement Standard for Calibration of RF Power Meters in an Ultrahigh-Frequency Band
Japanese researchers have announced the development of a new national measurement standard for the calibration of ultra-high-frequency power meters in the 110-170 GHz band. The new standard, a joint effort between Japan’s National Institute of Advanced Industrial Science and Technology (AIST) and the National Institute of Information and Communications Technology (NICT), was … [Read more...]
Microwave Absorber Suitable for Space-Restricted Applications
Cuming Microwave has introduced a new microwave absorber for use in cavity resonance suppression from 800 MHz to 18 GHz. C-RAM RGD-S-192 is a thin, flexible magnetically-loaded silicon absorber used in applications where performance cannot be sacrificed for a thicker material. Standard at 0.040 in. thick, C-RAM RGD-S-192 is ideal for suppressing cavities of microwave modules … [Read more...]
Chip Cancels On-Channel RF Interference
Researchers at the University of Twente in the Netherlands have created a new chip designed to cancel on-channel interference using an adaptive beamforming technique. While the ability to make such a device has already existed for some time, the UTwente chip can be manufactured more cheaply and economically than any of its predecessors. The device, developed by postgraduate … [Read more...]
New Broadband GaN Drivers Feature Complete Front-to-Back Amplifier Solution
API Technologies, a provider of high performance RF/microwave, power and security solutions for critical applications, has released a new line of gallium nitride (GaN) drivers to provide a complete, front-to-back amplifier solution for applications requiring high levels of gain and output power. The new GaN power amplifier drivers are ideal for use in applications including … [Read more...]
Tunable Band-Pass and Band-Reject Filters Operate between 100 MHz and 3 GHz
Fairview Microwave, Inc., a supplier of microwave and RF products, has introduced new lines of band-pass and band-reject tunable filters. Suitable for testing frequency bands including PCS, UHF, PMR, Tetra, LTE, and Wi-Fi in laboratory environments, Fairview Microwave’s new tunable band-pass filters and band-reject filters, also known as band-stop filters or band-rejection … [Read more...]
Quantum Navigation Technologies Could Outmode GPS
With the rise of smartphones and other handheld wireless devices, GPS technology has experienced an explosion in popularity, becoming near-omnipresent in the daily lives of many consumers. However, its limitations, including its inability to work underwater and its susceptibility to both accidental and deliberate signal interference, could pave the way for a new, more accurate … [Read more...]
Webinar on PCB Suppression of ICs with BGA or Multiple Power Rails
On June 25, 2014, Keith Armstrong will present a live webinar on “PCB Suppression of ICs with BGA or Multiple Power Rails." Overview: Most EMC design textbooks that cover printed circuit board (PCB) design and layout – including mine – do not cover the special EMC issues associated with Ball Grid Array devices (BGAs), so this webinar covers PCB design techniques that will … [Read more...]
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