Protection circuit for power amplifier
A power amplifier comprising a power stage comprises a voltage detection circuit configured to detect an output voltage of the power stage, a current detection circuit configured to detect an output current of the power stage, a control voltage generation circuit configured to generate a control voltage substantially proportional to the detected output voltage and the detected output current, and a control circuit configured to decrease an output power of the power stage when the control voltage exceeds a predetermined value.
Avago Technologies General IP (Singapore) Pte. Ltd.
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Joo Min Moon Suk Jung Hyun Jun Hee
Jung Jeon Kim Oh