PSpice User Guide

PSpice User Guide

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PSpice User Guide Things you need to know October 2019 43 Product Version 17.4-2019 © 1999-2019 All Rights Reserved. Using PSpice with other programs Using design entry tools 1 to prepare for simulation Design entry tools such as OrCAD Capture or Design Entry HDL are design entry programs you need to prepare your circuit for simulation. This means: ■ placing and connecting part symbols, ■ defining component values and other attributes, ■ defining input waveforms, ■ enabling one or more analyses, and ■ marking the points in the circuit where you want to see results. OrCAD Capture and Design Entry HDL are also the control points for running other programs used in the simulation design flow. Note: The PSpice Simulator menu items are not enabled by default in Design Entry HDL. To enable the menu items, choose PSpice Simulator – Enable PSpice Simulation. After this, the design is enabled for PSpice simulation and the PSpice–Enable PSpice Simulation menu item gets disabled and cannot be enabled again for the project. This is to ensure that a design that has been enabled for PSpice simulation is not rolled back to be used only for Design Entry HDL core operations. This is aligned with the OrCAD Capture– PSpice flow, where user has to specify if it is a PSpice project during the Project creation. Since this is a new menu item, user needs to update the files concepthdl_menu.txt and concepthdl_menu_win.txt (if using Design Entry HDL in Windows mode) at site level (location pointed by $CDS_SITE) and home directory (location pointed by $HOME). 1. In this guide, design entry tool is used for both OrCAD Capture and Design Entry HDL. Any differences between the two tools is mentioned, if necessary. Depending on the license available, you will access either PSpice or PSpice Simulator.

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