LD and LED 具备半导体发光器件
The article discusses theoretically on the radiation theory of LD and LED, transformation theory of PIN photoelectric diode.
文章从理论上对LD、LED的发光原理、PIN光电二极管的光电转换原理进行了分析。
The method of direct modulation is: change the ready information to current signal and then inject the LD or LED to obtain the corresponding light signal, thus the idea is source modulation.
直接调制是把要传送的信息转变为电流信号注入LD或LED，从而获得相应的光信号。
In this article, we have also designed and made a drive circuit for LED and LD which is being used in optical communicating system or optical sensor system as broadband light-source.
在本论文中，我们为了实际的需要，还设计了LED和LD的驱动电路，并制作了这两组电路。我们将把它用作光纤传感系统中的宽带光源。
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