Multiplexers

Multiplexers

Multiplexers, also known as MUXes, are electronic devices used in digital circuits to select one of several input signals and forward it to a single output line. They are commonly used in communication systems, such as telephone networks and digital data transmission, to transmit multiple signals over a single channel. Multiplexers operate by using a control signal to select one of the input signals and route it to the output line. Multiplexers can be designed with different numbers of input lines, with the most common being 2-to-1, 4-to-1, and 8-to-1 multiplexers. The selection of an input line is determined by the binary value of the control signal. For example, a 2-to-1 multiplexer has two input lines and one output line, and the control signal is a single bit that selects between the two input lines. When the control signal is 0, the first input line is selected, and when the control signal is 1, the second input line is selected. Multiplexers can also be cascaded together to form larger multiplexers with more input lines. For example, two 4-to-1 multiplexers can be cascaded together to form an 8-to-1 multiplexer. This is done by connecting the output of the first multiplexer to one of the inputs of the second multiplexer, and using the control signals of both multiplexers to select the desired input. In summary, multiplexers are electronic devices used in digital circuits to select one of several input signals and forward it to a single output line. They are commonly used in communication systems to transmit multiple signals over a single channel. Multiplexers can be designed with different numbers of input lines, and can be cascaded together to form larger multiplexers.

electronic devices, digital circuits, input signals, output line, communication systems

— Daniel Wilson