Multiplexer (Mux) Application: In Communication System

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Multiplexing (Muxing) is a term used in the field of communications and computer networking. It generally refers to the process and technique of transmitting multiple analog or digital input signals or data streams over a single channel. Since multiplexing can integrate multiple low-speed channels into one high-speed channel for transmission, the high-speed channel is effectively utilized. By using multiplexing, communication carriers can avoid maintaining multiple lines, therefore, operating costs are effectively saved.
Multiplexer (Mux) is a device which performs the multiplexing process. It is a hardware component that combines multiple analog or digital input signals into a single line of transmission.
What Is demultiplexing?
Demultiplexing is a term relative to multiplexing. It is the reverse of the multiplexing process. Demultiplex is a process reconverting a signal containing multiple analog or digital signal streams back into the original separate and unrelated signals.
Although demultiplexing is the reverse of the multiplexing process, it is not the opposite of multiplexing. The opposite of multiplexing is inverse multiplexing. which breaks one data stream into several related data streams.
Multiplexer (Mux) Application:

  1. In Communication System: increase the efficiency of the communication system by allowing the transmission of data, such as audio and video data transmission.

  2. In Computer Memory: keep up a vast amount of memory in the computers and decrease the number of copper lines necessary to connect the memory to other parts of the computer as well.

  3. In Telephone Network: integrate the multiple audio signals on a single line of transmission.

Demultiplexer (Demux) Application:

  1. In Communication System: receives the output signals from the multiplexer and converts them back to the original form at the receiver end.

  2. In Arithmetic Logic Unit: The output of the arithmetic logic unit is fed as an input to the Demux, and the o/p of the Demux is connected to a multiple registers.

  3. In Serial to Parallel Converter: The serial to parallel converter is used to reform parallel data. In this method, serial data are given as an input to the Demux and a counter is attached to the Demux to sense the data signal at the Demux’s o/p. When all data signals are stored, the output of the Demux can be read out in parallel.

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