Chapter: Linear Integrated Ciruits - Application of ICs

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Optocoupler IC

The optocouplers are available in the IC form MCT2E is the standard optocoupler IC which is used popularly in many electronic application.

Optocoupler IC:

 

 

The optocouplers are available in the IC form MCT2E is the standard optocoupler IC which is used popularly in many electronic application.

 

·           This input is applied between pin 1& pin 2. An infrared light emitting diode is connected between these pins.

 

·           The infrared radiation from the LED gets focused on the internal phototransistor.

 

·           The base of the phototransistor is generally left open. But sometimes a high value pull down resistance is connected from the Base to ground to improve the sensitivity.

 

·           The block diagram shows the opto-electronic-integrated ciruit (OEIC) and the major components of a fiber-optic communication facility.

 



 

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