Radio-frequency Amplifier with Reliability Protection
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United States of America
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Issued Date -
Mar 13, 2025
app pub date -
May 29, 2024
filing date -
May 29, 2024
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Abstract
Wireless circuitry is provided that includes a radio-frequency amplifier, one or more power supply switches coupled to a power supply terminal of the radio-frequency amplifier, a voltage sensor or power detector coupled to the radio-frequency amplifier and configured to generate a sensor output signal, and a control logic configured to generate a digital control signal for selectively activating and deactivating the power supply switches based on the sensor output signal. A filter or adjustable latency/delay circuit can be coupled between the voltage sensor and the control logic. The filter or adjustable latency/delay circuit can have a bandwidth or latency/delay that is tuned by the control logic.
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