Power amplifier module
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United States of America Patent
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Sep 25, 2018
Grant Date -
Feb 1, 2018
app pub date -
Jul 5, 2017
filing date -
Jul 27, 2016
priority date (Note) -
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Abstract
A power amplifier module includes a first amplifier that amplifies an input signal to generate a first amplified signal and outputs the first amplified signal, a second amplifier that amplifies the first amplified signal to generate a second amplified signal and outputs the second amplified signal, and a matching network disposed between an output terminal of the first amplifier and an input terminal of the second amplifier. The first amplifier is provided on a first chip, and the second amplifier is provided on a second chip. The matching network has an impedance transformation characteristic adjustable in accordance with a control signal.
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