PSpice User Guide

PSpice User Guide

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PSpice User Guide Bias Point Display October 2019 818 Product Version 17.4-2019 © 1999-2019 All Rights Reserved. ■ powers on only selected power sources For currents on pins, a "+" value for the bias point means current is flowing into the pin, while a "-" value means current is flowing out of the pin. By default, only voltages are displayed. You can toggle the currents on or off by using the corresponding toolbar buttons or menu commands. How bias information is stored and updated Not all pins and nets will have bias information. Buses, for example, do not have bias information, since they are not distinct wires. Bias point data and the locations of the displayed values are saved as part of the schematic page. Distinct bias point information is saved for each simulation profile. The data is updated whenever you open a schematic page, when you resimulate, when you activate a different simulation profile, or when you change the display characteristics of the labels (such as color, font or precision). If a page is reused (hierarchical subcircuits), the position of the bias point will be stored with the page and will be the same for all occurrences of that page, although the values will be different for each to accurately reflect the hierarchy of the circuit. Bias point data for multiple analyses If you have set up more than one analysis, you should keep in mind the following: ■ Capture will always display the bias information for the last analysis you ran. PSpice runs analyses in this order: DC, AC, Transient. This means that if you perform a multi-run analysis like Parametric, Monte Carlo, Sensitivity/Worst-case or Temperature, you will see bias values for the last run only. example of current bias point example of voltage bias point

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