Some semiconductor vendors (especially discontinued parts) provided encrypted PSpice models that only work with the 16.3 simulator. Build 33’s simulation engine is the last version that supports certain legacy encryption keys.
Despite its age, OrCAD 16.3 build 33 introduced several features that are still relevant for low-to-medium complexity designs. cadence orcad 163 33
| Issue | Solution |
|-------|----------|
| Hotfix fails with “Product not found” | Run the hotfix from the same drive where base software is installed. Use CD command in CMD to navigate to the hotfix folder. |
| CDS_LIC_FILE not recognized | Manually set environment variable: CDS_LIC_FILE=5280@localhost (or absolute path to license file). |
| PCB Editor crashes on startup | Delete pcb_cursor.cur and pcb_cursor.cur.bak from %HOME%\pcbenv folder. | cadence orcad 163 33