PSpice User Guide

PSpice User Guide

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PSpice A/D User Guide Measurement expressions October 2019 802 Product Version 17.4-2019 © 2022 All Rights Reserved. For power users Creating custom measurement definitions Measurement definitions establish rules to locate interesting points and compute values for a waveform. In order to do this, a measurement definition needs: ■ A measurement definition name ■ A marked point expression These are the calculations that compute the final point on the waveform. ■ One or more search commands These commands specify how to search for the interesting points. Strategy 1. Decide what you want to measure. 2. Examine the waveforms you have and choose which points on the waveform are needed to calculate the measured value. 3. Compose the search commands to find and mark the desired points. 4. Use the marked points in the Marked Point Expressions to calculate the final value for the waveform. 5. Test the search commands and measurements. An easy way to create a new definition is to use the PSpice Trace menu. Select Measurements to open the Measurements dialog box and then do the following: XatMaxY_Range() Value of X corresponding to the maximum value of Y within the specified X-range Definition Finds the. . .

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