By Kraig Mitzner
This booklet presents guide on the right way to use the OrCAD layout suite to layout and manufacture published circuit forums. the first objective is to teach the reader easy methods to layout a PCB utilizing OrCAD trap and OrCAD Editor. trap is used to construct the schematic diagram of the circuit, and Editor is used to layout the circuit board in order that it may be synthetic. The booklet is written for either scholars and practising engineers who want in-depth guide on tips to use the software program, and who want heritage wisdom of the PCB layout procedure. KEY good points: * starting to finish assurance of the published circuit board layout method. info is gifted within the precise order a circuit and PCB are designed * Over four hundred complete colour illustrations, together with broad use of monitor photographs from the software program, enable readers to benefit positive factors of the product within the so much sensible demeanour attainable * hassle-free, practical examples current the how and why the designs paintings, delivering a entire toolset for realizing the OrCAD software program * Introduces and follows IEEE, IPC, and JEDEC criteria for PCB layout. * distinctive bankruptcy on layout for Manufacture covers padstack and footprint layout, and part placement, for the layout of manufacturable PCB's. *FREE CD containing the OrCAD demo model and layout records
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Additional info for Complete PCB Design Using OrCAD Capture and PCB Editor
Actually there are two rectangles, one directly on top of the other. The two outlines are the route keep-in and package keep-in outlines. The route keep-in outline defines the edge of any plane layer and the boundary within which traces must stay. The package outline defines the area within which all components must reside. Figure 2-14 The Options pane. If you hover your mouse over the inner rectangle, the data tips box will tell you which outline it is. You can turn that layer off to view the other rectangle.
Project Structures and the PCB Editor Tool Set CHAPTER 3 Figure 3-10 Color dialog box. The Constraint Manager has four tabs and each tab has several views (indicated by folders and icons). ), every component, and shapes. 49 50 Complete PCB Design Using OrCAD® Capture and PCB Editor Figure 3-11 Layout Cross Section dialog box. Figure 3-12 Constraint Manager dialog box. Note: The Constraint Manager takes a moment to load, but if it is taking a long time to load, check the Command window. This tool will not load if a command is still active, and the Command window (and status bar) will tell you if that is the case.
If you want to see a description of the errors, run a DRC report. To run a DRC report, select Tools → Quick Reports → Design Rules Check Report from the menu. An example of a DRC Report is shown in Figure 2-22. The report shows what would be reported if R2 and R3 were too close to each other (not the circuit in Figure 2-21). Creating Artwork for Manufacturing At this stage, PCB Editor has generated a design file that fully describes your board. This file is optimized for viewing, editing, and saving on your computer, but it is not in the format that many PCB manufacturers use for fabricating boards.
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