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김태오
Multiplexer , Demultiplexer 본문
Multiplexer (MUX):
Function: A multiplexer is a combinational circuit that selects one of several input signals and forwards the selected input to a single output line.
Purpose: Its primary purpose is to reduce the number of physical lines required for communication, thus saving space, cost, and complexity.
Control Signals: A multiplexer uses control signals (also called select lines) to determine which input signal is selected and sent to the output. The number of control signals required depends on the number of input lines (2^n control signals for n input lines).
Types: Multiplexers can be designed for various types of signals, such as analog, digital, or a combination of both (time-division multiplexing for digital signals and frequency-division multiplexing for analog signals).
Applications: Multiplexers are commonly used in communication systems, data routing, and digital signal processing to manage and optimize the transmission of multiple signals over a single medium.
Demultiplexer (DEMUX):
Function: A demultiplexer is a combinational circuit that receives a single input signal and routes it to one of several output lines based on control signals.
Purpose: Demultiplexers essentially perform the reverse function of multiplexers, separating combined signals into their individual components to be processed or transmitted further.
Control Signals: Similar to a multiplexer, a demultiplexer uses control signals (select lines) to determine which output line the input signal will be routed to.
Types: Demultiplexers are designed for various types of signals, such as analog or digital, depending on the application requirements.
Applications: Demultiplexers are used in communication systems, data routing, and digital signal processing to distribute a single input signal to multiple destinations or to separate combined signals for further processing or analysis.
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