Binary encoders are used to compress the data which can be constructed by using simple OR or AND gate configurations. A standard digital encoder has one limitation that it would produce an error at its output if more than one input is active at a given time. It generates an undefined combination of outputs, if […]

## Binary Encoder

An encoder is a device which converts familiar numbers or characters or symbols into a coded format. It accepts the alphabetic characters and decimal numbers as inputs and produces the outputs as a coded representation of the inputs. It encodes the given information into a more compact form. In other words, it is a combinational […]

## Binary Multiplication

A binary multiplier is a combinational logic circuit used in digital systems to perform the multiplication of two binary numbers. These are most commonly used in various applications especially in the field of digital signal processing to perform the various algorithms. Commercial applications like computers, mobiles, high speed calculators and some general purpose processors require […]

## Binary Adder and Subtractor

## Carry-Lookahead Adder

## Introduction to Counters

Like shift registers and other combinational circuits, there is another important element in digital electronics which we use most. They are counters. Counters are used not only for counting but also for measuring frequency and time ; increment memory addresses . Counters are specially designed synchronous sequential circuits, in which , the state of the […]

## Harmonic Frequencies

Introduction The term ‘Harmonics’ is related to the fundamental frequency of a waveform. Before learning about harmonics, we should be familier with some of the concepts of wave forms. Let’s discuss about the topics Natural frequency and forced frequency. Natural frequency When a body is vibrating freely without any external forces applied on it, then […]

## Introduction to Combinational Logic Circuits

Digital signals are processed by the digital system which can be built with various logic gates. These logic circuits are made of various logic gates , by connecting them in certain combinations , in order to produce the required output.Digital logic circuits are mainly classified into two types , sequential logic circuits and combinational logic circuits. […]

## Digital Logic AND Gate

## Digital Logic OR Gate

A gate is the functional logic device which operates on input signals. Logic gates are the primary devices or basic elements for logic device design. It performs logical operation based on the input signals. Examples for logic gates are NAND, NOR, AND, OR, EX – OR, NOT and BUFFER. In our previous tutorials we learnt […]

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