News tagged with gigahertz
IBM Scientists Demonstrate World's Fastest Graphene Transistor
(PhysOrg.com) -- In a just-published paper in the magazine Science, IBM researchers demonstrated a radio-frequency graphene transistor with the highest cut-off frequency achieved so far for any graphene device ...
Feb 05, 2010 |
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Scientists first to trap light and sound vibrations together in nanocrystal
(PhysOrg.com) -- Researchers at the California Institute of Technology have created a nanoscale crystal device that, for the first time, allows scientists to confine both light and sound vibrations in the ...
Oct 26, 2009 |
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New ultra-small laser opens up a world of possibilities
(PhysOrg.com) -- Computing and medicine are among the many fields which could be revolutionised by a new form of ultra-small laser.
Apr 04, 2012 |
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Using imprint processing to mass-produce tiny antennas could improve wireless electronics
(PhysOrg.com) -- Engineering researchers at the University of Michigan have found a way to mass-produce antennas so small that they approach the fundamental minimum size limit for their bandwidth, or data ...
Jul 06, 2011 |
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Chinese supercomputer will feature The Godson-3B: A mesh style processor
(PhysOrg.com) -- Chinese researchers expect to unveil the Dawning 6000 supercomputer in the third quarter of 2011. Unlike the previous versions of this supercomputer, the current version will be something very different when ...
May 02, 2011 |
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Physicists discover ultrasensitive microwave detector
Physicists from Rice University and Princeton University have discovered how to use one of the information technology industry's mainstay materials -- gallium arsenide semiconductors -- as an ultrasensitive microwave detector ...
Dec 08, 2010 |
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Wi-Fi to come in a much faster, short-range flavor
The industry group that supports Wi-Fi is adopting a new technology that should boost data speeds more than 10 times at short distances, which could replace video cables in the home entertainment center.
May 10, 2010 |
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New Wi-Fi Technology Using White Spaces
(PhysOrg.com) -- A wireless internet network that uses portions of the old analog TV spectrum may one day become a reality. The plans for a computer network that uses "white spaces," which are empty fragments ...
Aug 20, 2009 |
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Intel, Microsoft, Dell band together for WiGig
(AP) -- Wi-Fi, WiMax, WirelessHD, WHDI and now ... WiGig?
May 06, 2009 |
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Breakthrough for post-4G communications
(PhysOrg.com) -- With much of the mobile world yet to migrate to 3G mobile communications, let alone 4G, European researchers are already working on a new technology able to deliver data wirelessly up to 12.5Gb/s.
Mar 05, 2009 |
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New ceramic chip antennas offer better performance, reliability
Wireless devices such as mobile phones rely on the radio spectrum to send and receive data. There is growing interest in using a worldwide unlicensed spectrum around 60 gigahertz for future wireless applications, ...
Sep 19, 2011 |
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France launches 4G mobile license auction
France on Wednesday kicked off auctions for frequencies to build high-speed fourth generation mobile telephone networks needed to keep up with the explosion of Internet-capable smartphones.
Jun 15, 2011 |
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Two for one: Radio chip and sensor combine to measure weather
RFID technology is on the advance. But, up to now radio chips primarily supply data for the identification of products. Researchers have now developed a transponder which measures temperature, pressure and ...
Oct 01, 2010 |
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Hertz
The hertz (symbol Hz) is the SI unit of frequency defined as the number of cycles per second of a periodic phenomenon. One of its most common uses is the description of the sine wave, particularly those used in radio and audio applications.
For more information about Hertz, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
