Semiconductor Devices

This topic covers concepts such as conduction band and valence band in monovalent metal, conduction band and valence band in insulator.

This topic covers concepts such as rectifier, P-N junction diode as a rectifier, P-N junction diode as full wave rectifier.

This topic covers concepts such as Zener diode, Zener diode as voltage stabiliser, and Zener breakdown.

This topic covers concepts such as photodiode, and the working of photodiode.

This topic covers concepts such as solar cell, working of solar cell, advantages of solar cell, and applications of solar cell.

This topic covers concepts such as light-emitting diode, V-I characteristics of led, energy band diagram for forward biased leds, and uses of leds.

This topic covers concepts such as junction transistor, symbol of a transistor, size of base, emitter and collector, doping concentration of base, emitter and collector, and common base configuration.

This topic covers concepts such as transistor as an amplifier, common emitter amplifier, and voltage amplification factor.

This topic covers the concept of transistor as a switch.

This topic covers concepts such as feedback amplifier and transistor oscillator, oscillator system using transistor, voltage gain of oscillator system, and Barkhausen criterion for sustained oscillations.

This topic covers concepts such as analogue signals, digital signals, truth table in logic gates, the not gate, and the or gate.