What is the role of iref in orcad?

OrCAD PSpice was merged with MicroSim in 1998, allowing PSpice to be integrated into the original OrCAD system. This system included OrCAD Capture for "circuit diagram input," OrCAD Layout for "printed circuit board layout," and "Programmable Logic" as part of a comprehensive set of computer-aided circuit analysis software known as OrCAD Express. In 2000, OrCAD was acquired by Cadence Design Systems, Inc., and the company introduced OrCAD 9.21. By 2003, OrCAD 10.0 was released. In 2005, it was further developed and offered to customers alongside Yihua Computer's PCB design software, Allegro 15.5, which led to a direct jump in version numbers to 15.5. In 2009, OrCAD launched an enhanced version, 16.3, and is now marketed as an entry-level circuit analysis tool by Yihua Computer. **What role does IREF play in ORCAD?** IREF in OrCAD is used to trace signal lines directly from the schematic. It helps engineers quickly locate and identify specific signals within complex circuit designs, making it an essential tool for debugging and verification. **How to add IREF to ORCAD?** Here’s a step-by-step guide on how to add IREF to OrCAD: 1) Open the completed OrCAD schematic and click on the Project Manager button. Then, select the *.dsn file again to load the project properly.

2) Click on the "Tools" menu and select "Annotate." This will open the annotation options, where you can configure and apply IREF settings to your design.

By following these steps, you can effectively incorporate IREF into your OrCAD workflow, enhancing your ability to manage and analyze signal paths efficiently.

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