释义 |
optical coupler 光耦合器 A sealed device containing an infraredemitting photodiode and a phototransistor. When current flows in the input circuit to the photodiode, light passes tot he phototransistor, turning it on and causing current to flow in the output circuit. 一种含有红外发射的光敏二极管和光敏三极管的密封器件。当电流在输入电路中通过光敏二极 管时,光通过光敏三极管,并启动光敏三极管,在输出电路中产生电流。 |