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software to simulate basic circuits

Discussion in 'Electronic Basics' started by CliveM, Apr 8, 2004.

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  1. CliveM

    CliveM Guest

    is there any software around to build a basic circuit on screen and test the
    results rather than physically building a circuit.

    i.e create circuit with opamp, and see the change in the output by varying
    the resistors in the circuits etc.
  2. Tim Auton

    Tim Auton Guest

    Some Spice variant would do that. Some are free, some are so expensive
    only serious professionals or those with a kidney to sell need apply.
    LTSpice should do what you want for nowt:

  3. Spencer

    Spencer Guest

    Hi Clive

    Crocodile Technology is my favourite.

    It does have some limitations, but I find it very useful. It is only a 30
    day trial download, but I just set my computer clock back in time whenever I
    need it.

    Don't download the free version of Crocodile Clips. It's too basic.

  4. cpemma

    cpemma Guest

    One that IMO is easier to use than the (albeit very good) Linear one is
    Circuitmaker Student freeware.

    Beware of Livewire, it's cheap and pretty but many of the spice models are
    incorrect (eg, their LM324 won't swing low enough to turn a transistor off).
  5. Your kidding right?

    Sure, I have a few complaints on LTSpices's GUI, but comparing LTSpice
    with Circuit Maker is a no contest. Circuit Maker is completely my opinion...

    Secondly, the demo vestion of SS has *all* features, and if you use the
    demos ability to have one level of hierarchy, you can get 30 top level
    blocks, where each block is a schematic with 25 real components
    totalling 30*25 = 750 real components. This is way larger than any demo
    or student version of any of the paid for commercial spices.

    Kevin Aylward
    SuperSpice, a very affordable Mixed-Mode
    Windows Simulator with Schematic Capture,
    Waveform Display, FFT's and Filter Design.
  6. cpemma

    cpemma Guest

    No, you're kidding. ;)
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