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Questions tagged [multiplexer]

A multiplexer selects one of two (or more) inputs based on a control input. It then outputs the selected input.

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5answers
485 views

Programmable IO

I have three bit input and would like to have a three bit output programmed for the input combinations. ...
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2answers
456 views

In a multiplexer, can you direct the input into all the outputs at the same time?

I need to direct a single line into multiple outputs, so I'm using a MUX to direct the input into the desired outputs (one at a time). However if i ever wanted to do a broadcast to all my output lines ...
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2answers
492 views

Designing a good RF Transmission/Reception system for Embedded System

I want to have 4 sensors transmitting information to a microcontroller ie 4-bit Encoder -> Transmitter >>>>>>>>>>>> Receiver - > Decoder -> MCU The problem I have is that if I use 4 transmitters and ...
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1answer
244 views

Mealy Safety Device with 2 inputs

I have an assignment in college and I would like to ask some questions: You are to design a Mealy state diagram for a safety device. Assume that two debounced push-buttons, A and B, are available ...
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1answer
605 views

How would one construct a NxN crossbar switch from solid state components? [duplicate]

I was trying to construct a 10x10 cross bar switch using relays -- something like: Question: is it possible to construct this by using solid state components (power transistors?) -- and if it is how ...
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1answer
71 views

Digital Logic Question involving Muxs

I'm having trouble understanding the solution to this digital circuit problem involving muxes. Could anybody explain how they got to this answer.