An automatic gain control circuit is designed after analyzing the relationship between reflecting optical intensity and distance in this paper.

文中从分析近距反射光强与距离之间关系入手，提出了一种自动增益控制电路。

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An automatic gain control circuit, its method, and demodulation apparatus capable of high-speed accurate level capture and preventing generation of an error and system destruction.

一种自动增益控制电路、其方法以及解调装置，能够高速精确地获取电平，防止产生误差和系统破坏。

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Integral signal processing includes a dynamic AGC (Automatic Gain Control) circuit, a stereo crossover and signal limiting for the prevention of a distorted signal to the internal amplifier.

积分信号处理包括一个动态的AGC(自动增益控制)电路，立体声交叉和信号的扭曲的信号，防止内部放大器的限制。

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