The control circuit of the probe has been divided into four modules, namely, infrared LED drive circuit module, monolithic processor control module, keys trigger module and data communication module.

光学测棒硬件控制电路划分为：LED驱动电路、单片机控制、按键触发和数据通信四个功能模块。

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The circuit includes a sequential logic drive circuit, a DC bias voltage circuit and a monolithic temperature control circuit for the focal plane array.

其中包括时序逻辑驱动电路、直流偏置电压电路及单芯片焦平面温度控制电路。

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