I want to know that how digital signal is converted to light in optical fiber...what is the working principle of LED?...Is LED can be triggered by analog signal or we will have to convert first analog signal to digital signal?...

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parulagrawal18

I want to know that how digital signal is converted to light in optical fiber...what is the working principle of LED?...Is LED can be triggered by analog signal or we will have to convert first analog signal to digital signal?

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replied to: parulagrawal18

vlsimujtaba

Replied to: I want to know that how digital signal is converted to...

Hi Parul,

LEDs are the devices which converts electrical signal into Light signal, It can be driven either by an electric voltage usually DC.

Regards
Mujtaba Ahmed

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