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POWER AMPLIFIER (PA) SYSTEM WITH ELECTROTHERMAL FEEDBACK CIRCUITRY FOR PA GAIN CORRECTION
POWER AMPLIFIER (PA) SYSTEM WITH ELECTROTHERMAL FEEDBACK CIRCUITRY FOR PA GAIN CORRECTION
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机译:具有电热反馈电路的功率放大器(PA)系统,用于校正PA增益
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摘要
A power amplifier (PA) system with PA gain correction is disclosed. The PA system includes a PA having a bias voltage input; and electrothermal feedback circuitry coupled to the bias voltage input. The electrothermal feedback circuitry is configured to receive thermal feedback generated by the PA and maintain a substantially constant PA gain by automatically changing a bias voltage level at the bias voltage input based upon the thermal feedback.
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