Varistors or Voltage Dependent Resistors (VDRS)

Varistors or Voltage Dependent Resistors (VDRS): Varistors, also called the voltage dependent resistors (VDRs), show a high degree of nonlinearity between their resistance value and the applied voltage. They are…

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What is Backward Diode?

What is Backward Diode? A tunnel diode designed to provide a small peak current (IP of the order of IV) may be employed to advantage in the reverse direction, for…

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Tunnel Diode Construction and Working

Tunnel Diode Construction and Working: Tunnel Diode Construction and Working - The tunnel diode (sometimes called the Esaki diode after its inventor, Dr. Leo Esaki) is a high conductivity, heavily…

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Zener Diode Application

Zener Diode Application: Zener diodes have numerous applications in transistor circuitry. Some of their common Zener Diode Application are explained below. 1. Zener Diode as a Voltage Regulator: Voltage regulation is…

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Metal Semiconductor Junctions

Metal Semiconductor Junctions: Metal semiconductor junctions are very common in all semiconductor devices and are very important. Depending upon the doping concentration, materials, and the characteristics of the interface, the…

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What is Intrinsic Semiconductor?

What is Intrinsic Semiconductor? An intrinsic semiconductor is one which is made of the semiconductor material in its extremely pure form. A semiconductor is not truly intrinsic unless its impurity…

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Energy Band Theory of Crystals

Energy Band Theory of Crystals: Energy Band Theory of Crystals - As discussed above, it is revealed that most metals and semiconductors are crystalline in structure and a crystal is…

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