Dynamically biased power amplification
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United States of America Patent
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Mar 19, 2024
Grant Date -
Sep 28, 2023
app pub date -
May 30, 2023
filing date -
Dec 29, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
One example includes a device that is comprised of a pre-power amplifier, a power amplifier, a signal path, and a dynamic bias circuit. The pre-power amplifier amplifies an input signal and outputs a first amplified signal. The power amplifier receives the first amplified signal and amplifies the first amplified signal based on a dynamic bias signal to produce a second amplified signal at an output thereof. The signal path is coupled between an output of the pre-power amplifier and an input of the power amplifier. The dynamic bias circuit monitors the first amplified signal, generates the dynamic bias signal, and outputs the dynamic bias into the signal path.
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