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RF transceiver saves cost, space in 3G handsets

Posted: 17 Jun 2009 ?? ?Print Version ?Bookmark and Share

Keywords:RF transceiver? LNA? 3G?

ST-Ericsson has begun mass production of its 3G multimode, multiband Aero4228 RF transceiver, claimed to be the first HSPA/Edge transceiver to eliminate expensive external filter components typically required to complete the RF subsystem in mobile handset designs.

Delivering a combination of performance and integration, the Aero4228 effectively removes both 3G TX and RX SAW filters, while incorporating all LNAs on-chip. With the Aero4228, 3G mobile phone designers can sharply diminish the total BOM and greatly reduce the cellular radio footprint in their handset designs.

The Aero4228 is manufactured in CMOS technology to leverage economies of scale in the highest volume process technology. The device also features sensitive components such as Tx/Rx VCOs, loop filters, tuning inductors and varactors integrated in CMOS silicon. In addition, the RF transceiver includes integrated power management and licensed 3G technology from ACP Advanced Circuit Pursuit AG, Zollikon, Switzerland.

"The Aero4228 stands as a testament to ST-Ericsson's commitment to lead the industry by integrating more features and functionality into our cellular solutions in order to improve performance, reduce costs and shrink system size for our customers," said Dan Rabinovitsj, general manager for cellular systems at ST-Ericsson. "No other company has achieved a SAW-less, LNA-integrated 3G solution and we are proud to be first to market with this level of integration."





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