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Footprint Libraries

Kroum
Hi everyone,

I am trying to learn how to use my OrCAD PCB Designer, but I have some troubles. When tried the tutorial, I got the following:

“The 16.0 version of the Allegro PCB Editor Tutorial is not accessible at this time. The tutorial is being updated with the newest functionality in the 16.0 release. The updated tutorial will be provided as soon as it becomes available.”

I decided to create a very symple design (the schematic contains only 4 components – connector, fuse, resistor and LED) and to go through all steps – schematic capture, PCB design, generating manufacturing files and BOM. There weren't problems with the schematic capture, because I am familiar with OrCAD schematic capture and OrCAD Layout. When generating the netlist however, I got error messages because components' footprints weren't specified. I didn't specify them, because I couldn't find the PCB Designer footprint libraries. Then I decided to put random names for my component footprints in a hope that the program might offer me to select some from the available footprint libraries. This time the netlist was generated with the warnings that the specified footprints couldn't be found. Unfortunately the program didn't give me a path to the existing footprint libraries.

How can I find the footprint libraries for the OrCAD PCB Designer version 16.0? Is the tutorial for version 16.0 available already and how can I have it?

  • The supplied footprints are in the installation under "<install_dir>\share\pcb\pcb_lib\symbols" the contents are listed in the "algrolibdev" PDF in the DOC directory of the installation.

    The Allegro tutorial is part of the hotfix installation, refer to your Cadence supplier to get this.

    The OrCAD tutorial is in the flowtut directory, the example covers Capture / PSpice and PCB Editor, (as well as Layout)

  • Hi,

    I would recommend that you go to Help, Documentation and click the link 'Allegro PCB Editor User Guide' and select Book Two 'Designing and developing libraries' - look through this to see how to define your own libraries.

    Inside PCB Editor you could also select File, New and select Package Symbol (Wizard) to create a package symbol (footprint) using the built in wizard.

    You could also look at some of the online tutorials to be found (google.com and search for allegro pcb tutorial), one of the best is http://www.referencedesigner.com/tutorials/allegro/allegro_page_1.php where you can select the 2 headlines creating padstack and creating footprint (symbol)

    You could also consider purchasing an IPC library from pcbmatrix.com, they also have a small example library that you can download for free.

    Happy symbols :-)

  • Hi,

    I susspect you are running the base relaease of version 16.0. You need to load ISR3.

    The base release of the software was shipped without all of the help files. to determine the version of software you are running go to Help>About in PCB Editor. The current 16.0 release of OrCAD PCB Editor is 16.0 S050 dated 3/25/2008. You can obtain the ISR Hotfix form your VAR.

    Regards,

    BillZ

    EMA Design Automation

  • Oldmouldy, Ole Ejlersen, BillZ,


    I contacted my Orcad PCB Editor supplier and they provided me with an upgrade. The file name was isr200711191914_orcad160_wint_1of1.exe. I installed it and now I have version 16.0 s033 on my computer.

    I have printed your suggesions and I am using them now to learn how to use the package. Thanks a lot!


    Kroum

  • Hi

    Your still one hot fix back. You installeld ISR2. Your supplier should get you ISR3.

    There are more bug fixes in ISR3.

    Regards,

    BillZ

    EMA Design Automation 

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