Ideal value of knee voltage for diode use
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The knee voltage for diode depends upon the material with which diode is made.
Explanation:
Diode is a two-terminal device, anode and cathode, which has uni-quadrant operation. It means it can draw current in one direction and can block negative voltage.
Knee voltage is the voltage for diode which is required to ON the diode. When diode becomes ON, it draws current in the direction of arrow.
For Silicon its value is 0.7 V and for Germanium its value is 0.3.
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