Digital Electronics - Digital Design - Discussion

Discussion :: Digital Design - General Questions (Q.No.3)

3. 

An optocoupler is an integrated circuit with an LED and a zener diode encased in the same package.

[A]. True
[B]. False

Answer: Option B

Explanation:

No answer description available for this question.

Ratan said: (Oct 1, 2011)  
LED & photo diode are encased in same package.

Jafar said: (Sep 22, 2013)  
An optocoupler is an integrated circuit with an LED (InfraRed/any) and a photodiode.

Durga Prasad said: (Oct 17, 2013)  
An optocoupler not having Zener diode. It has photo transistor and LED inside the same package.

Rajat said: (Apr 24, 2014)  
It has phototransistor and LED inside the same package.

Sandeep said: (Dec 1, 2015)  
It should be photo diode or photo transistor instead of the zener diode.

Manjunath S Mukartihal said: (Nov 11, 2016)  
Optocoupler consists of a Light source (LED), a dielectric material in the center and a sensor/ (photoresistor).

It is mainly used to overcome the high voltages and voltage surges in the circuit to avoid any damage.

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