NXP Semiconductors, a provider of high performance mixed signal and standard product solutions, has announced a series of enhancements to its family of class-AB audio amplifiers designed to improve quiescent current reduction and decrease smart phone signal interference in automotive applications. “In-car use of smart devices has become common over the past few years, but the … [Read more...]
Rigged Smartphone Helps Visualize Electromagnetic Fields
[iframe src="http://player.vimeo.com/video/65321968" width="400" height="300"] A recent project from the Copenhagen Institute of Interaction Design has revealed the electromagnetic fields emitting from consumer electronics—normally invisible to the human eye—as eerie but beautiful light paintings. The project was completed as part of a week-long experimental imaging workshop … [Read more...]
Wireless Signals Track Hidden Moving Objects
A new technology developed by researchers at MIT’s Computer Science and Artificial Intelligence Laboratory could give users the ability to track hidden moving objects using wireless signals in handheld form. The technology—known as Wi-Vi—transmits a low-power Wi-Fi signal and uses its reflections to track moving objects, such as a human body, within a closed room or behind a … [Read more...]
New Wi-Fi Test Process Combines 3-D Measurements and Virtual Reality Modeling
A new Wi-Fi test process that combines three-dimensional antenna measurements with in-house virtual reality modeling has been announced by researchers at the University of Bristol’s Communication Systems and Networks (CSN) Group. The work was completed in conjunction with Farncombe, a provider of product strategy and technical consultancy and engineering services to the TV … [Read more...]
Extension Granted for Ruling on Electronics Use in Flight
A Federal Aviation Administration advisory panel investigating whether to ease restrictions on personal electronic device use during flight is expected to recommend relaxing the ban but has delayed the release of its final report until late September. Comprised of representatives from the Federal Communications Commission, pilot and flight attendant groups, airlines and … [Read more...]
New Signal Generators and Analyzers for RF Component and Wireless Device Testing
Aeroflex, Ltd., a provider of high performance microelectronic components and test and measurement equipment, has released a new generation of wide-bandwidth RF signal generators and analyzers in PXI format for RF component and wireless device testing to latest standards, including WLAN 802.11ac. The combination of the PXI 3050A low noise RF signal generator and the PXI 3320 … [Read more...]
U.S. House of Representatives to Consider EMP Protection Methods
House Republicans have unveiled a plan that could protect the nation’s electric grid from an electromagnetic pulse, amid growing concerns of a potential massive power outage resulting from a solar flare or hostile attack. Known as the Secure High-Voltage Infrastructure for Electricity from Lethal Damage (SHIELD) Act, the legislation would reportedly push the federal government … [Read more...]
India Government Calls for New Proposals to Study EM Radiation Effects
The government of India has called for research proposals to study the effects of electromagnetic radiation on humans and other living organisms amid ongoing concerns over radiation from cell phone towers. The call for proposals, a joint initiative from the Science and Engineering Board (SERB) and the Department of Telecommunications, follows a government decision made last … [Read more...]
Wi-Fi Signals Enable Gesture Recognition Throughout Entire Home
New technology utilizes Wi-Fi signals to interpret user gestures into commands from anywhere inside a home or office. Scientists at the University of Washington have developed a method of recognizing a user’s gestures regardless of their physical location within a building, using nothing more than existing Wi-Fi signals and a modified receiver device. Known as WiSee, the … [Read more...]
Multi-Probe Measurement System for Testing Mobile Device Conformance at High Frequencies
Microwave Vision, a manufacturer of antenna test and measurement systems for the telecommunications, automotive, defense and aerospace industries, has released the new SG 24 multi-probe measurement system for testing mobile device conformance for high speed protocols. According to the company, “the new SG 24 measurement system offers a measurement speed up to 3 times faster … [Read more...]
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