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Shifting routes and placements from one board to another

koptie123

I am working on a high speed design and i do have its reference design and layout with me. I have made some changes in the reference design and now i want to export it to PCB. I want to ask is there any way that i can copy all the routes of the reference layout on to another board?. I am using Cadence 17.2. 

  • RFinley

    Have you ever used the Specctra autorouter?   There is also >Place >Replicate >Create.

  • redwire

    Yes, it is called a "subdrawing".  In the old menu it was under "File->Export->Subdrawing". You export from one board and import that copper routing and symbol placement into the new board.  The one catch being that the stackups have to be identical. If the reference designators are the same then you can export with references turned on and they will connect on the new board.  Otherwise you import and then do a "swap" on the imported parts with the correct parts in the new design and they will connect.

  • RFinley
    in reply to RFinley

    Some methods are blocked if the stackup is different.  Allegro/Orcad has been able to derive connectivity from imported gerber routing files. 

    You will need to be careful about the gerber format matching between them.   (I've converted a PCAD design using CAM350 to fix things.  It wasn't something I want to do again.)

    We do a lot of RF circuit partial reuse.  EMA's CircuitSpace is my superpower if your company has a license for that.

  • CadAce2K

    Hi. I've done something like this in the past. It was pretty easy. I needed to track ALL the changes from one version to the next.

    What I'd do is create .IPF file (plot files) of each layer of the new design. Then import these into the old design file, on a 'manufacturing layer' for reference, layer by layer. Mine were pretty simple 6 layer boards, but TONS of vias! Then turn on the etch layer you want to update; turn on the manufacturing reference layer, and start moving things you updated. It's not to hard. Give it a try.

  • steve

    Placement Application Mode and create a Place Replicate Module. Then apply this to your new design. Watch this www.youtube.com/watch

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