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Laser Diode
by Tarun Agarwal 3 days ago

Laser Diode Operation and Its Applications

The natural white light is made up of all the VIBGYOR colours of the visible light spectrum, which is a broad wide band of many different frequencies. The ordinary LEDs give a light output often consisting of one colour, but even that light...

Optical Sensors
by Tarun Agarwal 1 week ago

Optical Sensor Basics and Applications

An optical sensor converts light rays into an electronic signal. The purpose of an optical sensor is to measure a physical quantity of light and, depending on the type of sensor, then translates it into a form that is readable by an integrated...

Class D amplifier
by Tarun Agarwal 1 week ago

Class D Amplifiers Operation and Applications

In this modern world the main goal of audio amplification in an audio system is to accurately reproduce and amplify the given input signals. And one of the biggest challenge is to have high output power with as least amount of power loss...

Potentiometers
by Tarun Agarwal 2 weeks ago

Potentiometer Construction, Working and Applications

The Potentiometer is an electric instrument that used to measure the EMF (electro motive force) of a given cell, the internal resistance of a cell. And also it is used to compare EMFs of different cells. It can also use as a variable resistor...

Transistor as a Switch
by Tarun Agarwal 4 weeks ago

How To Use Transistor As A Switch

The transistor was invented by “William Shockley” in 1947. A transistor is a three-terminal semiconductor device which can be used for switching applications, amplification of weak signals and in quantities of thousands and millions...