US Patent 11855587 Power amplifier circuit
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US Patent 11855587 Power amplifier circuit
Article
Patent abstract
A power amplifier circuit includes an amplifier transistor that amplifies an input signal, a resistance element coupled in series with the base of the amplifier transistor, a bias transistor that supplies a bias current from the emitter or the source of the bias transistor to the base of the amplifier transistor through the resistance element, and a feedback circuit that changes a base or gate voltage of the bias transistor to follow a change in the bias current supplied to the base of the amplifier transistor.
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Patent Number
Patent Inventor Names
Takashi Soga0
Date of Patent
December 26, 2023
0Patent Application Number
169135850
Date Filed
June 26, 2020
0Patent Citations
Patent Primary Examiner
CPC Code
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