switch multiple signal

Discussion in 'General Electronics Chat' started by bug13, Jul 23, 2014.

  1. bug13

    Thread Starter Well-Known Member

    Feb 13, 2012
    1,208
    38
    Hi guys

    Is there an easy way to switch multiple signal electronically?

    [​IMG]
     
  2. MrCarlos

    Active Member

    Jan 2, 2010
    400
    134
    Hello bug13

    Do you mean:
    Is there an easy way to switch multiple signal electronically?

    Usually the signals are low current. you could use the 4066 IC.
    This IC has, internally, 4 electronic switches.

     
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  3. ScottWang

    Moderator

    Aug 23, 2012
    4,853
    767
    As what you said that they didn't like the normal switches, because they had have the inverters, so could you talk some more what you really want.
     
  4. shell.albert

    New Member

    Jul 23, 2014
    8
    0
    Hi.
    Your post is not clearly.
    If the signal is low voltage,small current,that you can try 74xx series chips.
    But if high voltage,huge current, choose a relay is the best choice.
     
  5. bug13

    Thread Starter Well-Known Member

    Feb 13, 2012
    1,208
    38
    Hi sorry guys, I should have added low current and low voltage, it's digital signal that I want to switch.

    Thanks guys
     
  6. bug13

    Thread Starter Well-Known Member

    Feb 13, 2012
    1,208
    38
    Which 74xx should I look at? Sorry I am not familiar with 74xx series chips.
     
  7. MrCarlos

    Active Member

    Jan 2, 2010
    400
    134
    Hello Bug13

    You may want to look at: MM74HC4066 or MM74HCT4066. tries to find its data sheet here: http://www.alldatasheet.com/Beware
    Beware the power you're going to drain from them.
     
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  8. crutschow

    Expert

    Mar 14, 2008
    13,000
    3,229
    How many signals do you want to switch?
    Is more than one on at a time?
     
  9. bug13

    Thread Starter Well-Known Member

    Feb 13, 2012
    1,208
    38
    Two at a time at the moment, but I have never come across this before, so I asked the question "switch multiple signal".

    So I can learn something new :)
     
  10. crutschow

    Expert

    Mar 14, 2008
    13,000
    3,229
    Then the suggestions in post #7 should apply. You can also use a CD4066. It switches slower than the 74xx chips but it can operate at up to 15V whereas the 74xx chips are only good for 5V.
     
  11. ScottWang

    Moderator

    Aug 23, 2012
    4,853
    767
    What are the signals, analog or digital?

    The functions of "switch multiple signals" just like as CD4051,CD4514 for analog/digital signals.

    CD4051 - Single 8-Channel Analog Multiplexer/Demultiplexer.

    CD4067 - CMOS Single 16-Channel Analog Multiplexer/Demultiplexer.

    The switches of CD4066 can be controlled one by one independently.

    CD4066 - 74HC/HCT4066, Quad Analog Switches/Quad Multiplexers.

    The functions of "switch multiple signal" just like as 74HC251,74HC253 for digital signals only.

    74HC251 - 74HC/HCT251; 8-input multiplexer; 3-state.

    74HC253 - 74HC/HCT253; Dual 4-input multiplexer; 3-state.

    If you want some more about the ANALOG SWITCHES AND MULTIPLEXERS.
     
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