ANTENNA VOLTAGE STANDING WAVE RATIO (VSWR)-TOLERANT TRANSMISSION POWER AMPLIFIER
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United States of America
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Mar 20, 2025
app pub date -
Sep 20, 2023
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Sep 20, 2023
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Abstract
Aspects herein describe VSWR-tolerant operation of wireless communication devices. One aspect involves setting, using control circuitry of the wireless communication apparatus, a mission mode for an output transmission (Tx) power amplifier, measuring, using an output power detector, an output power of the output Tx power amplifier operating in the mission mode, measuring, using an input power detector, an input power to the output Tx power amplifier associated with the output power, sampling a thermistor signal to determine a junction temperature associated with the output power, calculating, using the control circuitry, a gain value for the output Tx power amplifier using the input power and the output power, comparing, using the control circuitry; the gain value with a temperature calibrated reference gain value selected using the junction temperature, and adjusting a power amplifier bias when the gain value is different from the temperature calibrated reference gain value.
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