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WIDE DYNAMIC RANGE BROADBAND CURRENT MODE LINEAR DETECTOR CIRCUITS FOR HIGH POWER RADIO FREQUENCY POWER AMPLIFIER
WIDE DYNAMIC RANGE BROADBAND CURRENT MODE LINEAR DETECTOR CIRCUITS FOR HIGH POWER RADIO FREQUENCY POWER AMPLIFIER
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机译:高功率射频功率放大器的宽动态范围宽带电流模式线性检测器电路
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摘要
A power detector with a detection signal input connectible to a source of a radio frequency signal and a detected power level output has a differential amplifier detector circuit with an input connected to the detection signal input and an output corresponding to the detected power level output. A feedback network is connected to the input and the output of the differential amplifier detector circuit. A mirror circuit is connected to the differential amplifier detector circuit. A root mean square current corresponding to a power level of the radio frequency signal from the source is mirrored and integrated, with a direct current voltage level being generated therefrom and output to the detected power level output.
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