News tagged with frequency bandwidth
World's first GaN HEMT T/R module operating in the C-Ku band
Fujitsu Laboratories today announced that it has successfully developed the world's first transmitter/receiver (T/R) module using gallium-nitride (GaN)high electron mobility transistor (HEMT) technology that ...
Jun 06, 2011 |
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Metamaterials approach makes better satellite antennas
(PhysOrg.com) -- Cheaper, lighter and more energy-efficient broadband devices on communications satellites may be possible using metamaterials to modify horn antennas, according to engineers from Penn State ...
Jan 31, 2011 |
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Explained: The Shannon limit
It's the early 1980s, and you’re an equipment manufacturer for the fledgling personal-computer market. For years, modems that send data over the telephone lines have been stuck at a maximum rate of 9.6 kilobits ...
Technology / Computer Sciences
Jan 19, 2010 |
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First hyperlens for sound waves created
Ultrasound and underwater sonar devices could "see" a big improvement thanks to development of the world's first acoustic hyperlens. Created by researchers with the U.S. Department of Energy's Lawrence Berkeley ...
Oct 25, 2009 |
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Samsung Develops First Commercial LTE Modem for Mobile Phones
Samsung Electronics announced today that it has developed the first Long Term Evolution (LTE) modem that complies with the latest standards of the 3rd Generation Partnership Project (3GPP), which were released in March 2009. ...
Sep 02, 2009 |
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