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World's 'smallest linear PA module' includes on-chip power detector

Posted: 21 Feb 2005 ?? ?Print Version ?Bookmark and Share

Keywords:rf micro devices? rfmd? rf5198? power amplifier module? pa module?

RF Micro Devices Inc. (RFMD) introduced the RF5198 high-power, high-efficiency linear power amplifier (PA) module for wcdma handset applications that is touted to be the world's smallest linear PA module to include an on-chip power detector.

Measuring 3-by-3-by-0.9mm, the RF5198 reduces design complexity and streamlines the handset design process by incorporating the power detector technology on-chip. According to RFMD, this enables handset manufacturers to quickly bring their advanced products to market.

"With its integrated power detector, the RF5198 represents the smallest and most highly integrated W-CDMA PA module ever introduced," said Konrad Alvarino, GM of power amplifier products at RFMD. "This PA module provides exceptional W-CDMA performance and ease of implementation, thereby enabling our customers to introduce next-generation multimedia handsets more quickly and cost-effectively."

Manufactured on an advanced third-generation GaAs HBT process, the high-efficiency RF5198 is a self-contained PA module with 50? input and output, and is designed for use as the final RF amplifier in 3V W-CDMA handheld digital cellular equipment in the 1,920MHz to 1,980MHz bands. It features a digital control line to lower quiescent current for increased talk time in low power conditions, and is assembled in a low profile 16-pin 3-by-3mm QFN package.

The RF5198 is currently being sampled to customers and will ramp into mass production in the second quarter of calendar year 2005.




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