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Boffins develop better wi-fi chip

Mon Apr 24 2006, 16:48
BOFFINS at the University of Rochester have come up with a wireless chip design which uses a tenth of the battery power of current designs.

In a press release, Hui Wu, professor of electrical and computer engineering at the University of Rochester said that he has managed to over come a fatal flaws in a circuit design called an "injection locked frequency divider," or ILFD.

ILFD was invented to over the power problems that wireless devices by using an analog method that requires less power different method of checking frequency.

However the downside was they were less able to get the fine frequency tuning needed for wi-fi.

To get around this probem, Wu uses five rather than three transistors and enables the circuit to split three ways.

Wu's group has designed several prototype chips, and the results successfully demonstrated his concepts. µ


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