檢視信号耦合的原始碼

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名  称：信号耦合


组  成：它由发光源和受光器两部分组成

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'''信号耦合'''器是以光为媒介传输电信号的一种电一光一电转换器件。它由发光源和受光器两部分组成。把发光源和受光器组装在同一密闭的壳体内，[[彼此]]间用透明绝缘体隔离。发光源的引脚为输入端，受光器的引脚为输出端，常见的发光源为发光二极管，受光器为光敏[[二极管]]、光敏三极管等等。光电耦合器的种类较多，常见有光电二极管型、光电三极管型、光敏[[电阻]]型、光控晶闸管型、光电达林顿型、集成电路型等。如下图1（外形有金属圆壳封装，塑封双列直插等）。<ref>[https://wenda.so.com/q/1464301266728965 什么是信号耦合],360问答 , 2016年5月26日</ref>