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Analog Switch

Discussion in 'Electronic Design' started by [email protected], Apr 9, 2008.

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  1. Guest

    I have a DSPT dual single pole double throw analog switch (Dual
    channel 2:1 mux/demux). Now I have some questions regarding analog

    1. How do these differ from digital mux which I am faimilar with
    (which is basically a selector between multiple inputs based on some
    select signals)? Whats strange is the schematic of the circuit uses
    digital signals TTL as inputs/outputs? I read some where that some
    analog switches allow digital signals?

    2. The part says its a switch (mux/demux). Does that mean the inputs
    and outputs can be swapped. Basically is it like a physical connection
    between 2 set of pins based on a select line. Because from my
    understanding thats what a switch is? more over it says its mux/demux?

    I hope someone can clarify this.

    -- Vishal
  2. Can I make a video of you and Teh Phil from oz in bed together?

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    Video_cum_splash_screen optional


  3. A digital mux only passes digital signals. An analog switch passes analog
    signals! Thats a big difference.

    Basically its like a BJT designed to run as a switch or as a driver... but
    in this case its probably fets.
    Yes. If its analog then it can, but not always, run in both direction.
    Basically if you have n to 1 and you swap it then its 1 to n.

    (think about it using normal mechanical switches... there should be no
    difference except "relativity"... this isn't always the case though, say if
    there are diodes in the paths)
  4. Joerg

    Joerg Guest

    John Fields wrote:


    A SW manager said it's the other way around. At least since Max Planck.
  5. where *anything* is on topic... Except
    basic electronics. :)

  6. Joerg

    Joerg Guest

    Unless it's electronic voting machines :)
  7. Guest

    thanks to those who replied. i am sorry if this question didn't belong

    @john fields... a piece of advise... if you don't want to answer then
    its fine at least you don't have to act as a smart a**
  8. JosephKK

    JosephKK Guest

    Go read comp.risks for a while. It seems you need to.
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