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Reuse of Allegro PCB board file with new schematic in Design Entry

MarkK2

Hello,

I have a question if this is possible: I have an Allegro board file and want to change a few things in the schematic. But I don't have the project or schematic files. Is it possible to create a new project, draw the schematic and then associate my already layouted board file to this project? How should I start? Thanks for your help!

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  • redwire

    Yes.  The schematic will need to match the layout.  The only requirement is that the symbol pin numbers connect to the same points.  Net names are not important.

    However, you can Export->Netlist and have a netlist that exactly matches the design you have.  Then from the schematic (assuming OrCad here...) you can export a netlist in the same format and compare.

    Post back if you have some issues while doing this.

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  • redwire

    Yes.  The schematic will need to match the layout.  The only requirement is that the symbol pin numbers connect to the same points.  Net names are not important.

    However, you can Export->Netlist and have a netlist that exactly matches the design you have.  Then from the schematic (assuming OrCad here...) you can export a netlist in the same format and compare.

    Post back if you have some issues while doing this.

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