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current marker

Discussion in 'CAD' started by surena, May 17, 2005.

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  1. surena

    surena Guest

    How I can find the current curve of a circuit?
    I make circuits like simple RC with a Vsin source and put V and I
    marker. The V marker gives the expected sin curve of V, but I marker
    needs a pin and after that the curve is a flat (0) line and not a sin
    wave. Maybe the problem is how I put the pin. I do not know. Any help?

    Surena
     
  2. You don't give much information - such as the component and voltage
    values, and the software you are using! But, guessing, one possibility
    is that current is dominated by voltage at the particular scale your
    program is using, like this:
    http://www.terrypin.dial.pipex.com/Images/RC-Measuring1.gif
     
  3. surena

    surena Guest

    Yes, You are right. Using separate window shows the current wave. But I
    use Orcad capture 9.2 and I want to know how I can see voltage and
    current as two separate scales as you did in your gif picture? Also how
    I can show that current for example lags voltage by 90 degrees (phase
    difference)?

    Surena.
     
  4. Jim Thompson

    Jim Thompson Guest

    In Probe, click "Help", "Search", type in "axis" and read the steps.

    ...Jim Thompson
     
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