Diode. Introduction A diode is an electrical device allowing current to move through it in one direction with far greater ease than in the other.

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Presentation transcript:

Diode

Introduction A diode is an electrical device allowing current to move through it in one direction with far greater ease than in the other.

FABRICATION

CHARACTERISTICS

OPERATION When placed in a simple battery-lamp circuit, the diode will either allow or prevent current through the lamp, depending on the polarity of the applied voltage. Diode operation: (a) Current flow is permitted; the diode is forward biased. (b) Current flow is prohibited; the diode is reversed biased

TYPES OF DIODES

Applications of diodes Signal rectifier Diode gate Diode clamps Limiter