POWER AMPLIFIER AND FILTERING CIRCUITRY
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United States of America Patent
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Issued Date -
Aug 8, 2024
app pub date -
Feb 7, 2023
filing date -
Feb 7, 2023
priority date (Note) -
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status (Latency Note)
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Abstract
This disclosure is directed to a power amplifier (PA) including circuitry to amplify and filter transmission signals in a radio frequency (RF) circuit. The PA may include multiple core amplifiers coupled to a power combiner to amplify and filter the transmission signals. For example, the PA may activate the core amplifiers to provide the transmission signals with a peak output power. Alternatively, the PA may activate a reduced number of the core amplifiers to provide the transmission signals with a reduced output power lower than the peak output power. Activating a portion of the PA when providing the transmission signals with a reduced output power may reduce a power consumption and improve power efficiency of the PA.
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