PSpice User Guide

PSpice User Guide

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PSpice User Guide Digital simulation October 2019 627 Product Version 17.4-2019 © 1999-2019 All Rights Reserved. For detailed information on how to add digital traces, see Digital trace expressions on page 769. Adding digital signals to a plot When defining digital trace expressions, you can include any combination of digital signals, buses, signal constants, bus constants, digital operators, macros and the Time sweep variable. The following rules apply: ■ An arithmetic or logical operation between two bus operands results in a bus value that is wide enough to contain the result. ■ An arithmetic or logical operation between a bus operand and a signal operand results in a bus value. The syntax for expressing a digital output variable or expression is: digital_output_variable[;display_name] or digital_expression[;display_name] To add a digital trace expression 1. In the Add Traces dialog box, make sure you select the Digital check box. 2. Do one of the following: Table 14-9 This placeholder... Means this... digital_output_ variable output variable from the Simulation Output Variable list (Digital check box selected) digital_expression expression using digital output variables and operators display_name (optional) text string (name) to label the signal on the plot, instead of using the default output variable notation

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