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Protection circuit and method for RF power amplifiers in WLAN tranceivers
Protection circuit and method for RF power amplifiers in WLAN tranceivers
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机译：WLAN收发器中射频功率放大器的保护电路和方法
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摘要
A protection circuit for a power amplifier of a radio frequency transmitter includes a sensing circuit that generates a sensed signal based on an output of the power amplifier. A reference signal generator generates a reference signal. A comparator communicates with the sensing circuit and the reference signal generator and outputs a first state when the reference signal exceeds the sensed signal and a second state when the sensed signal exceeds the reference signal. A turn off circuit turns off the power amplifier when the comparator is in the second state.
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