Power amplifier system
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United States of America Patent
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-
Oct 17, 2023
Grant Date -
N/A
app pub date -
Nov 24, 2020
filing date -
Sep 14, 2020
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A power amplifier system includes: a drive stage configured to amplify an RF input signal and implemented in a substrate containing silicon; a power stage including a carrier amplifier configured to amplify a base signal from the RF input signal as amplified by the drive stage, and a peaking amplifier configured to amplify a peak signal from the RF input signal as amplified by the drive stage, the power stage being implemented in a substrate containing gallium arsenide; and a phase compensation circuit configured to change a phase of the RF input signal, wherein either the carrier amplifier or the peaking amplifier is connected to the phase compensation circuit.
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