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What is the use of a demultiplexer?

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2010-10-16 23:57:33
2010-10-16 23:57:33

A: Multiplexer sends gabs of information on one line the multiplexer decodes what is designed to select from the data

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A demultiplexer is a circuit. It has one input but more than one output. A demultiplexer gives binary information from one end to another. It is used to connect a single source to many destinations.


They find use in Clock demultiplexer,Security monitoring system,Synchronous data transmission system


See answer to "What is a multiplexer" as they are reciprocal functions.


A demultiplexer is an electronic device that separates a multiplex signal into its component parts. It is used when a circuit wishes to send a signal to one of many devices.


It's vantage, not disadvantage isn't it?


Demultiplexing, or separating several previously multiplexed signals.


45A demultiplexer is the opposite of a multiplexer. In electronic devices, a demultiplexer is a logical circuit which takes a single input and sends out this input to one of several outputs available. During this process the output that has been selected is assigned the value 1, while the other outputs are assigned the value 0. The definition is slightly different when we are talking about demultiplexers in the context of networking. In the networking context, a demultiplexer is a device that receives multiple signals that have been transmitted on one line and then decodes these single line signals into separate multiple signals. A demultiplexer is usually always used in tandem with a multiplexer. Demultiplexers can be analog demultiplexers or digital demultiplexers. Digital demultiplexers generally function as decoders.


A multiplexer takes many inputs and and selectively allow one output. A demultiiplexer is just the opposite function


synchronization between the multiplexer and demultiplexer is a major issue in data transmission. if the multiplexer and demultiplexer are out of synchronization a bit belonging to one channel may be received by the wrong channel. for dis reason , one or more synchronization bits are usually added to the beginning of each frame. these bits, called framing bit , follow a pattern, frame to frame, that allow the demultiplexer to syncronize with the incoming steam so that it can separate the time slots accurately. in most cases, this syncronization information consists of one bit


data coming from a single line and distribute it to multiple line . according to select lies or control lines. it is same as decoder with a enable signal.


A multiplexer, commonly referred as an input selector, is a circuit with many inputs but only one output: it has some data inputs, control inputs and one output, depending on the control inputs, one input from the data inputs is sent to the output .A demultiplexer is a circuit with one data input, few control inputs and many outputs, it is also known as output selector.


A multiplexor is a device that takes two or more signals and encodes them on fewer (often, on one) wire. A demultiplexor is a device that reverse that process.


According to DIGITAL electronics logic connection can be defined as the combination of gates to realised a particular logic function. e.g decoder; multiplexer; demultiplexer etc


It is necessary to synchronize the mutiplexer and demultiplexer in time division multiplexing because the multiplexor is encoding data onto the carrier at certain points in time. (This is why its called Time Division Multiplexing) The demultiplexor most know when the data of interest are present in the carrier, hence the need for synchronization. Note that there usually is a transmission delay between the multiplexor and demultiplexor. As a result, while the demultiplexor is in sync with the multiplexor, it is not necessarily in phase. The crucial point is that the data and clock be in sync and in phase at the demultiplexor.


multiplexer combines several individual signals into a single signal.demultiplexer separates a single signal into several individual signals.There are many types of multiplexing, a few are:time domain multiplexingfrequency domain multiplexingdigitally coded multiplexingetc.


•Multiplexing means to break high-speed physical communication circuit into several lower-speed logical circuits so that many different devices can simultaneously use it. Multiplexing is a mechanism that allows multiple devices to share a single high-capacity link. The device which facilitates multiplexing is a multiplexer (MUX), which bundles the signals from the source nodes into the shared medium. On the other end, a demultiplexer (DEMUX), would split the bundled signal back to its intended nodes.


A decoder takes n inputs and produces 2^n outputs. An encoder takes 2^n inputs and produces n outputs.A multiplexer selects one line from many lines. The inverse of selection is distribution. A demux essentially transmits data from one line line to 2^n possible output lines. The output line is determined by n select lines. In short, a multiplexer selects an input line, a demultiplexer selects an output line.The differences between these two circuits is subtle, as far as I can tell. A demux simply selects an output line, nothing more. It's a glorified switch. A decoder takes n inputs, and uses those inputs to determine which of the 2^n output lines is high. This is the difference, I think. A decoder is designed to simply keep one line high. A demux is designed to set one output equal to the input (whether it be high, low, or a changing signal).


In Electronic Communication, FDM stands for Frequency Division Multiplexing and TDM for Time Division Multiplexing. In FDM, several signals (each assigned different frequency) are fed into a mux (multiplexer) where they are all combined and fed into a main channel and transmitted. At the receiver end, demux(demultiplexer) splits each signal. So, in FDM we can transmit several signals at once. In TDM, several signals are fed into a mux but with different timing.


mohammed.eng.2005@gmail.com ---- The differences between these two circuits is subtle, as far as I can tell. A demux simply selects an output line, nothing more. It's a glorified switch. A decoder takes n inputs, and uses those inputs to determine which of the 2^n output lines is high. This is the difference, I think. A decoder is designed to simply keep one line high. A demux is designed to set one output equal to the input (whether it be high, low, or a changing signal).


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Use/uses is the present tense.I useWe useYou useHe/she usesThey use


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