LNA with programmable linearity

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United States of America Patent

PATENT NO 9929701
SERIAL NO

15272103

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Abstract

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A receiver front end capable of receiving and processing intraband non-contiguous carrier aggregate (CA) signals using multiple low noise amplifiers (LNAs) is disclosed herein. A cascode having a “common source” input stage and a “common gate” output stage can be turned on or off using the gate of the output stage. A first switch is provided that allows a connection to be either established or broken between the source terminal of the input stage of each cascode. Further switches used for switching degeneration inductors, gate/sources caps and gate to ground caps for each legs can be used to further improve the matching performance of the invention.

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Patent Owner(s)

  • PSEMI CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cheng, Chih-Chieh Poway, US 46 102
Noori, Hossein San Diego, US 5 42

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