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Gate Deisgner?

Discussion in 'General Electronics' started by QuickHare, May 24, 2007.

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  1. QuickHare

    QuickHare Guest

    Hi all,

    Hopefully I'm not repeating a question asked many times before, but I did try to
    search the net and found no answers.

    I'm interested in logic gates, and would like to know if there are any pieces of
    software out there that allows be "wire up" theoretical gates on the screen,
    edit the wiring, see what happens with certain inputs, etc. I'm not looking for
    a piece of software that does the wiring for actual physical components, just
    something that will allow me to connect an AND gate to a NOT, from an OR to a
    NAND, etc, to build up a logic diagram.

    Any ideas?

    Of course, in an ideal world, free is good... ;-)
     
  2. Jamie

    Jamie Guest

    well for a beginner, I would suggest "Electronics WorkBench"
    there are others including free one's i'm sure others will
    tell you about .
    http://www.electronicsworkbench.com/

    That will give you an idea.
     
  3. Rich Webb

    Rich Webb Guest

    and here comes one now! ^_^

    The Beige Bag spice products include logic simulation and there's also
    an older, stand-alone logic simulator available. Demo versions (that
    revert to "Lite" versions after the trial period) are available at
    http://www.beigebag.com/demos.htm#v5

    #include <std_disclaimer>

    Just a satisfied customer who has been using BB products from the days
    when they really were packaged in little brown paper bags.
     
  4. Download Quartus from Altera www.altera.com
    With that you can build your logic out of primitives and simulate it.
    You need to register it, but its free.

    Cheers
     
  5. : I'm interested in logic gates, and would like to know if there are any pieces of
    : software out there that allows be "wire up" theoretical gates on the screen,
    : edit the wiring, see what happens with certain inputs, etc. I'm not looking for
    : a piece of software that does the wiring for actual physical components, just
    : something that will allow me to connect an AND gate to a NOT, from an OR to a
    : NAND, etc, to build up a logic diagram.

    : Any ideas?

    TkGate is free, open-source, and is likely at the feature/complexity level you want

    http://www.tkgate.org/

    Here's a screenshot:

    http://www.tkgate.org/fig/editmainwin.gif

    Stuart
     
  6. ---------------------
    See www.play-hookey.com for lots of fun.

    Also, why not just get a white solderless protoboard and a power supply
    for $20 and some 25 cent gate chips from Rat Shack and have at it?

    If worse comes to worse, use BASIC or any programming language and
    tie the propositions together with Boolean variables?

    -Steve
     
  7. QuickHare

    QuickHare Guest

    I would like to thank everyone for their contributions, they were all
    interesting. I was unable to find free versions of most things listed, and what
    I did find weren't Windows compatible.

    I do program in BASIC myself, but I wanted something graphical to drag and drop
    about the place. TkGate seemed perfect for my needs, except it was Linux-based.

    Not to worry, I shall continue my search. I have learned a few lessons from
    this, such as to look for "logic simulators" rather than "editors" and such
    like, so thanks for all your help! :)

    I'll post back if I find anything worth sharing.

    Thanks again!
     
  8. Jack B

    Jack B Guest

    If you haven't already, use Google, to search for "logic simulator"

    You might find what you are looking for.
     
  9. I like Logisim, free, easy to use, and cross-platform:

    http://ozark.hendrix.edu/~burch/logisim/

    Cheers,
    Nicholas Sherlock
     
  10. Jasen

    Jasen Guest

    switcher cad III (AKA LT-spice) has gates and flip-flops etc... and a fairly
    simple user inteface where you just draw lines on the screen to connect them.
    it's a free download from the linear technology website

    The only problem is it doesn't do interactve input, but you can use programmed
    voltage sources instead.

    Electronics workbench is easier in that you can do interactive input but the
    version I was exposed to seemed unstable.
     
  11. Ian Malcolm

    Ian Malcolm Guest

    If you are still looking, try googling for: CircuitMaker 6 Student
    Its free for student use, runs on Windows 9x up, supports up to 50
    components in a circuit and in its digital simulation mode switches and
    indicators are fully animated so just point and click to test your circuit.
     
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