本设计选择双积分型A/D转换芯片，并采用光电隔离装置，有效地降低了电源噪声和电机干扰，大大提高了转换精度。
The double integration A/D converter and the electro-optical isolation device are used to reduce the mains noise and motor interference, which can significantly improve the accuracy of A/D conversion.
给出了电视信号与电源的函数同步驱动脉冲的时间定位关系式，设计了电光电视函数同步装置。
The relation between the setting time of the driving pulse of function synchronization and the power source of bulbs is given and a function synchronizing device is designed.
通过采用高隔离度的DC - DC电源和低噪低漂移运放，使用光电隔离和滤波器等设计，采集装置具有了很强的抗干扰特性。
By using DC-DC power source, low drift operational amplifiers, optically coupled isolators and filter design, the system has a good characteristic of anti-disturbance.
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