Liquid Crystal Display (LCD): LCD (liquid crystal display) is the technology used for displays in notebook and other smaller computers. Like light-emitting diode (LED) and gas-plasma technologies, LCDs allow displays…
Category: B.Tech./1Sem/Electronics Engg
Tunnel diode Working principle and characteristics Notes for Electronics Engineering 1st Year
What is Tunnel diode? Tunnel diode is a highly doped semiconductor device and is used mainly for low-voltage high-frequency switching applications. It works on the principle of Tunneling effect. It is…
Theory of Varactor Diode Notes for Electronics Engineering 1st Year
What is a Varactor Diode? Varactor Diode is a reverse biased p-n junction diode, whose capacitance can be varied electrically. As a result these diodes are also referred to as…
Theory of Light Emitting Diodes Notes for Electronics Engineering
Light-emitting diode (LED): A light-emitting diode (LED) is a semiconductor device that emits visible light when an electric current passes through it. The light is not particularly bright, but in…
Special-Purpose Diodes Notes for Electronics Engineering 1st Year
Special-Purpose Diodes: Schottky Diodes: Schottky diodes are constructed of a metal-to-N junction rather than a P-N semiconductor junction. Also known as hot-carrier diodes, Schottky diodes are characterized by fast switching…
Fundamentals of Voltage Multiplier Notes for Electronics Engineering 1st Year
What is Voltage Multiplier? The Voltage Multiplier, however, is a special type of diode rectifier circuit which can potentially produce an output voltage many times greater than of the applied…
Zener Diode Shunt Voltage Regulator Notes for Electronics Engineering 1st Year
What is Zener Diode? The Zener Diode or “Breakdown Diode” as they are sometimes called, are basically the same as the standard P-N junction diode but are specially designed to…
Fundamentals of Clamping Circuit Notes for Electronics Engineering 1st Year
What is Clamping Circuit: A clamping circuit is used to place either the positive or negative peak of a signal at a desired level. The dc component is simply added…
Diode Clipping Circuits Notes for Electronics Engineering 1st Year
What is Diode Clipper? The Diode Clipper, also known as a Diode Limiter, is a wave shaping circuit that takes an input waveform and clips or cuts off its top…
Half and Full Wave Rectifier Theory Notes for Electronics Engineering 1st Year
What is Rectifier? A rectifier is an electrical device that converts alternating current (AC) to direct current (DC), a process known as rectification. Rectifiers have many uses including as components…