RADIO FREQUENCY RECEIVER
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United States of America Patent
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Issued Date -
Apr 27, 2023
app pub date -
Sep 7, 2022
filing date -
Oct 1, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
In an embodiment, a radio frequency (RF) receiver circuit includes a main circuit and a wake-up circuit. The main circuit is configured to process RF signals. The wake-up circuit is configured to detect a reception of the RF signals. The wake-up circuit includes an automatic gain control (AGC) loop, and is configured to have a first operating mode where a set point voltage of the loop has a first substantially constant value, and a second operating mode where the set point voltage of the loop has a second value dependent on a power supply voltage of the wake-up circuit.
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