Community PCB Design & IC Packaging (Allegro X) PSpice How to create histogram for Monte Carlo Analysis in PSp...

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How to create histogram for Monte Carlo Analysis in PSpice

DesignTech

Yes, you read it correct, PSpice offers a facility to generate histograms of data derived from Monte Carlo waveform families through the performance analysis feature.

After running MC Analysis in PSpice, to display a histogram for an output expression, follow below steps:

  1. From PSpice’s Plot menu, choose Axis Settings.
  2. Select the X Axis tab.
  3. In the Processing Options frame, select the Performance Analysis check box.
  4. Click OK.
  5. The histogram display appears. The Y axis is the percent of samples.
  6. From the Trace menu, choose Add Trace.
  7. In the Trace Expression box, specify the expression. For e.g Max(V(out1)).

To change the number of histogram divisions:

  1. From the Tools menu, choose Options.
  2. In the Number of Histogram Divisions text box, replace 10 with 50.
  3. Click OK.

The statistics for the histogram are shown along the bottom of the display. The statistics show the number of Monte Carlo runs, the number of divisions or vertical bars that make up the histogram, mean, sigma, minimum, maximum, 10th percentile, median, and 90th percentile.

 

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