的意思 phototransistor

1. The phototransistor is a type of semiconductor device that converts light into electrical signals.
光电晶体管是一种将光转换为电信号的半导体器件。

2. Phototransistors are commonly used in light sensors, optical switches, and remote controls.
光电晶体管常用于光传感器、光开关和遥控器中。

3. The sensitivity of a phototransistor can be adjusted by varying the bias voltage.
光电晶体管的灵敏度可以通过调节偏置电压来调整。

4. In a phototransistor circuit, the collector current is proportional to the intensity of light falling on the device.
在光电晶体管电路中，集电极电流与光照强度成正比。

5. When designing a phototransistor circuit, it is important to consider the wavelength of light that the device is sensitive to.
设计光电晶体管电路时，要考虑器件对光的灵敏波长。

6. Phototransistors are often used in applications where precise light detection is required, such as in automatic lighting systems.
光电晶体管常用于需要精确光检测的应用，如自动照明系统中。