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Easily Overlooked Features - Fall 2003
This section is designed to highlight one or two features per issue that may be overlooked because they
are not made visually obvious with a toolbar button.
Simultaneous Multi-Row Analysis Limits Edits
The analysis limits dialog box contains five text fields for each expression that is
entered into Micro-Cap. The text fields are: P, X Expression, Y Expression, X Range,
and Y Range. These five fields describe the waveform to be plotted, the range to plot
it in, and which plot group the waveform is to be placed in. For the P, X Expression,
X Range, and Y Range fields, all of the waveforms often share the same value such as T
for the X Expression in a transient analysis. Performing a left click on the column
header invokes a menu that lets you rapidly change the value of all of the rows for
that column simultaneously. One of the most common uses for this technique is to
quickly set all of the Y Range fields to Auto for the next run.
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The figure above displays an example of the menu that was created when the X Range header
was clicked. The menu contains entries that are either predefined in Micro-Cap or have
been specified by the user in one of the rows of the column. In the above figure, the
'Auto' and 'TMAX,TMIN' entries will always be in the menu for the X Range. The
'1E-5,0,2e-6' and '50m,0' entries were taken from the values that are currently defined
for the X Range fields. Selecting any of these will set all rows to the selected
value.
Clicking on the Y Expression header will invoke the Variables List which lets you choose
circuit variables to place in the Y Exression fields. Obviously, there aren't many cases
where one would want to set the Y Expression field to the same value for all waveforms,
but there are the rare instances where it may be useful as a starting point in defining
waveforms.
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