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US Patent 9397710 Power amplifier module

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Patent
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Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
9397710
Date of Patent
July 19, 2016
Patent Application Number
14620968
Date Filed
February 12, 2015
Patent Citations Received
‌
US Patent 12119789 Variable gain power amplifiers
3
‌
US Patent 11705863 Variable gain power amplifiers
4
Patent Primary Examiner
‌
Md Talukder
Patent abstract

A power amplifier module includes a first signal input terminal to which a first radio frequency signal of a first frequency band is input; a second signal input terminal to which a second radio frequency signal of a second frequency band is input; first, second, and third power amplifiers; and a bias control circuit. The first signal input terminal and an input terminal of the first power amplifier are electrically connected to each other, the second signal input terminal and an input terminal of the second power amplifier are electrically connected to each other, output terminals of the first and second power amplifiers and an input terminal of the third power amplifier are electrically connected to each other, and the bias control circuit controls supplying a bias current to one of the first and second power amplifiers depending on a selected frequency band.

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