
Running the analysis
For a simple DC analysis, we now have everything set up.
Start the simulation by choosing "Run" from the "PSPICE" menu or by clicking on the "run
triangle", which is the third item in the second horizontal toolbar. On a reasonably speedy
computer, the analysis should finish within a couple of seconds. If there were no errors, the
program will superimpose the DC node voltages right on the circuit schematic. The voltage
labels can be moved around if desired.
(If PSPICE detected errors in the circuit or the analysis, a warning dialog will pop up with an
option to view the “session log”. The session log has some cryptic text that may be useful in
discerning the problem. One of the most common errors is leaving a piece of the circuit
disconnected from anything else. In that case, the error would probably refer to a “floating node”.
Another common mistake is forgetting to add a ground connection.)
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