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UW-Madison technology to advance cell phones

MADISON - Working to help cell-phone users take advantage of the limitless minutes now included in many calling plans, University of Wisconsin-Madison engineers have developed a device that can significantly improve the quality of the transmitted signal on even less battery power.

"When you've been talking on a cell phone for a long time, you can feel how hot it gets," notes Zhenqiang "Ja......

Full article >>> ng that the last major advance in this area occurred in 1989.

What Ma, along with his graduate students, developed could mark the next step in power amplification technology. After reading through dozens of scientific papers and analyzing heat transfer within power amplifiers housed in wireless communication devices, Ma and his students found a way to significantly reduce the rising tempe......

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Source:wistechnology.com By Emily Carlson 03/24/04


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