Applied Electronics

Light Emitting Diode

A “Light Emitting Diode” or LED as it is more commonly called, is basically just a specialised type of PN junction diode, made from a very thin layer of...

Phase measurement with the help of the Lissajous figures

When using an oscilloscope, we can plot one sinusoidal signal along the x-axis against another sinusoidal signal along the y-axis. The result is a Lissajous figure. Lissajous figures tells...

Successive Approximation Type Analog to Digital Converter

A successive approximation A/D converter consists of a comparator, a successive approximation register (SAR), output latches, and a D/A converter. The circuit diagram is shown below. The main part...

Difference Between Microprocessor and Microcontroller

Architecture: Most of the microprocessors use CISC and Von-Neumann architecture. There microprocessors used Harvard and RISC also. But popularly microprocessor uses CISC. Where as Microcontroller uses RISC and Harvard...

Cathode Ray Oscilloscope (CRO)

The cathode ray oscilloscope is an extremely useful and versatile laboratory instrument used for studying wave shapes of alternating currents and voltages as well as for meas­urement of voltage,...

Unijunction Transistor

Unijunction transistor: Although a unijunction transistor is not a thyristor, this device can trigger larger thyristors with a pulse at base B1. A unijunction transistor is composed of a...

Digital MultiMeter

The digital multimeter, DMM, is one of the most common items of test equipment used in the electronics industry today. While there are many other items of test equipment...

Barcode Scanner and Generator

To understand how a barcode scanner works, we have to explore the different parts of the device. Basically, there are 3 functional parts to the barcode scanner itself, the...

Washing Machine

It is used for washing of clothes. The Various types of washing machines are: Semi-Automatic Fully Loading Front Loading Top Loading Washing machine with Fuzzy Logic   Principle of...

Working of PhotoCopying Machine

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