双向光耦合器支持数字信号于系统间隔离通信

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工业通信设计工程师需要通过通信现场总线发送高速数据,同时避免损坏敏感的控制器、模数转换器或传感器。Fairchild技术行销副经理张瑞斌介绍,现有的解决方案是使用两个单通道光耦合器,或是磁性和电容性耦合等其它技术,但是这类方法不能达到所需要的可靠隔离水平和抗电磁干扰水平。 Industrial communications design engineers need to send high-speed data over a communications field bus while avoiding damaging sensitive controllers, analog-to-digital converters, or sensors. Zhang Ruibin, vice president of technical marketing at Fairchild, explains that the existing solution is to use two single-channel optocouplers or other technologies such as magnetic and capacitive coupling, but such methods do not achieve the level of reliable isolation required and immunity to electromagnetic interference Level.
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