Analogue, Mixed Signal, LSI


Smallest PA with integrated power detector

23 March 2005 Analogue, Mixed Signal, LSI

RF Micro Devices RF5198, at 3 x 3 x 0,9 mm, is claimed to be the world's smallest linear power amplifier module to include an on-chip power detector. The high-power, high-efficiency PA is a self-contained module with 50 Ω input and output and is internally matched to obtain optimum power, efficiency and linearity. Manufactured on an advanced third-generation GaAs HBT process, the RF5198 is designed for use as the final RF amplifier in WCDMA handheld digital cellular equipment in the 1920 to 1980 MHz bands. It features a digital control line to lower quiescent current for increased talk time in low power conditions. Assembled in an ultra-small, low profile 16-pin QFN package, it provides enhanced thermal dissipation compared to traditional laminate-based modules.



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