RADIO-FREQUENCY AMPLIFIER HAVING REDUCED GAIN VARIATION
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United States of America
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Feb 20, 2025
app pub date -
Aug 26, 2024
filing date -
Aug 26, 2024
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Abstract
A radio-frequency amplifier can have an input stage that includes an amplifying transistor having an input node and an output node, such that a signal at the input node has a first power level and an amplified signal at the output node has a second power level. The radio-frequency amplifier can further include a bias circuit configured to provide a bias signal to the amplifying transistor, and a feedback circuit that couples the output node of the amplifying transistor to the input node of the amplifying transistor. The feedback circuit can include a resistance and a capacitance arranged in series. The radio-frequency amplifier can further include a gain compensation circuit implemented relative to the input stage such that the second power level is compensated for a variation in temperature associated with the radio-frequency amplifier.
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