Can anyone explain to me how does a PC817 optocoupler works? referring to this circuit:
http://www.fairchildsemi.com/an/AN/AN-9015.pdf
page 5, can anyone explain to me about the pin 3 and 4 of the optocoupler?In which pin does the out put comes out?
http://www.fairchildsemi.com/an/AN/AN-9015.pdf
page 5, can anyone explain to me about the pin 3 and 4 of the optocoupler?In which pin does the out put comes out?