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Found 1011 Articles for Digital Electronics
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A multiplexer or MUX is a combinational circuit that accepts several data inputs and allows only one of them to flow through the output line. Multiplexer (MUX) is also known as data selector because it selects one from many. A MUX consists of 2n data input lines, n select lines, and 1 output line. Since, it converts 2n input lines into 1 output line. Therefore, it is also called many-to-one device. Depending upon the number of input lines, there are several types of multiplexer present such as 2:1 MUX, 4:1 MUX, 8:1 MUX, etc. Since, this article is meant for ... Read More
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Let' start this article with some basics of NOT gates and multiplexers. What is a Multiplexer? In digital electronics, a multiplexer or MUX is a combinational logic circuit which accepts several data inputs and allows only one of them at a time to flow through the output line. Multiplexer (MUX) is also known as data selector because it selects one from many. A multiplexer consists of 2n data input lines, n select lines, and 1 output line. Since, it converts 2n input lines into 1 output line. Therefore, it is also called many-to-one device. Depending upon the number of input ... Read More
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Let us stat this article with a brief introduction of binary adders and rules of binary addition. In digital electronics, an adder or binary adder is a combinational digital circuit which performs the addition of two or more binary digits. The binary addition of two bits is performed by following these four rules − 0 + 0 = 0 0 + 1 = 1 ... Read More
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A multiplexer (MUX) is a digital combinational logic circuit that accepts multiple data inputs and allows only one of them at a time to transmit over an output channel. A multiplexer consists of 2n input lines, n select lines, and one output line. In a multiplexer, the routing of the desired data input to the output channel is done by the logic level applied to the select lines. The functional block diagram of a multiplexer is shown in Figure-1. This article is primarily meant for explaining the design procedure of different types of multiplexer circuits. More specifically, here we ... Read More
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Read this article to learn how you can use a multiplexer to realize universal logic gates. Let us start with a brief introduction to multiplexers and universal logic gates. What is a Multiplexer? A Multiplexer or MUX or Data Selector is a combinational logic circuit which accepts several data inputs and allows only one of them at a time to pass through the output channel. The block diagram of a multiplexer is shown in Figure-1. A multiplexer consists 2n data input lines, n select lines, and only one output line. The logic level applied to the select lines determine ... Read More
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Electrical analogue is basically a way of representing the operation of a logic gate such as OR gate, AND gate, NOT gate, etc. in the form of an electric circuit. In other words, we can represent the operation of a logic gate by using basic circuit components like battery, switches, lamps, etc. So, let us discuss the electrical analogue for each logic gate in detail. OR Gate Electrical Circuit The OR Gate is a type of logic circuit in digital electronics which may have two or more inputs but only one output. A two input OR gate is shown in ... Read More
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What is a Transformer? A transformer is an electrical device whose main function is to transmit alternating current between two circuits at a constant value of frequency, but at varying voltage levels. A transformer is constructed by combining two kinds of coil. The first coil carrying the magnetic flux is called the primary coil, while the second coil placed opposite to it, in which electromotive force (E.M.F) is induced is called as the secondary coil. Figure-1 illustrates a standard representation of a transformer. Input voltage at the primary side of the transformer produces the varying magnetic flux on the primary ... Read More
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Force and Power are two important concepts in physics. They might appear similar at first sight, but they are completely different from each other. The most fundamental difference between force and power is that Force is a cause that can change or try to change the state of an object from rest to motion or motion to rest, whereas Power is the term used to express the rate of doing work. Read this article to learn how Force is different from Power. What is Force? Force is an external agent that can change the state of an object either from ... Read More
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What is a Demultiplexer? A demultiplexer is a combinational logic circuit that accepts a single input and distributes it over several output lines. Demultiplexer is also termed as DEMUX in short. As demultiplexer is used to transmit the same data to different destinations, hence it is also known as data distributor. There is another combinational logic circuit named multiplexer which performs opposite operation of the demultiplexer, i.e. accepts several inputs and transmits one of them at time to the output line. From the definition, we can state that a demultiplexer is a 1-to-2n device. The functional block diagram of a ... Read More
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What is a Decoder? In digital electronics, a combinational logic circuit that converts an N-bit binary input code into M output channels in such a way that only one output channel is activated for each one of the possible combinations of inputs is known as a decoder. In other words, a combinational logic circuit which converts N input lines into a maximum of 2N output lines is called a decoder. Therefore, a decoder is a combination logic circuit that is capable of identifying or detecting a particular code. The operation that a decoder performs is referred to as decoding. A ... Read More
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