Murata uses CMOS PAs of Black Sand for 3G communications

Published:2012/5/8 3:21:00 Author:Ecco From:SeekIC

Japanese Murata Manufacturing Co. Ltd., the power supplies giant, has selected Black Sand Technologies Inc.’s CMOS power amplifiers for use in RF front-end modules. They are widely used in 3G mobile phone handsets applications. Black Sand integrates the PA together with other RF front-end components into a single module to make better optimization of performance, battery current, size, and cost.

Mobile device manufacturers have long sought a viable CMOS alternative to GaAs that will enable them to benefit from an improved supply chain, higher reliability, and lower cost. John Diehl, CEO of Black Sand, said that "There’s no exclusivity either way. But we’ve chosen to work together as best-in-class partners," "This agreement represents a major opportunity for both companies: industry estimates tell us that the market for RF front end components is growing at a CAGR of around 15 percent, and will reach in excess of $5.5 billion by 2014."

Diehl also indicated that envelope-tracking (ET), the method of matching PA voltage to the instantaneous power output required was something that CMOS PAs enabled but that the market seemed to be applying it more to 4G than to 3G communications.

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