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Allegro PCB Editor

  • Forcing via connections

    I have a multi-layer design with multiple ground plane layers. But these have issues with ground loops. How can I set something in PCB Editor 16.5 that will only connect vias to one ground plane layer and leave all other layers unconnected, so that I can use a single ground connection point.
    Posted to PCB Design (Forum) by tmd63 on Fri, May 3 2013
  • How to import and export constraints from Allegro PCB to Excel

    We have some complex and large constraints files to use for our designs and it would make life a lot easier if the constraints could be downloaded to excel, modified and then reloaded back into the design. Is there any way that this can be done.
    Posted to PCB Design (Forum) by tmd63 on Wed, May 1 2013
  • DRC T error

    I have a DRC error saying that T's allowed is set to pads and vias only. Where do I change this to allow T's anywhere?
    Posted to PCB Design (Forum) by tmd63 on Fri, Apr 19 2013
  • What's Good About Allegro PCB Editor Generic Cross-Section Files? See for Yourself in 16.6!

    Beginning with the Allegro PCB Edito r 16.6 release, you are provided a methodology to export a technology (.tcf) or constraints (.dcf) file which is a generic cross-section. A generic-cross-section file (GCSF) captures constraints for specific layer types. Currently, a GCSF supports four types of layers...
    Posted to PCB Design (Weblog) by Jerry GenPart on Tue, Apr 9 2013
  • What's Good About RF PCB and Autoplace? 16.6 Has Many New Enhancements!

    The 16.6 Allegro RF PCB application has many new enhancements. I’ll cover a few over the next several weeks. Here are some major autoplace related enhancements: Grouping in Design Entry HDL (DEHDL) Allegro PCB Editor Enhancements Read on for more details … Autoplace is a very important step...
    Posted to PCB Design (Weblog) by Jerry GenPart on Wed, Apr 3 2013
  • Manual entry of components

    Is there any way of manually adding a component to an Allegro PCB design using PCB Design XL in the same way that you could in OrCad Layout. I have been able to copy a footprint but the component is unassigned (R*) and I cannot find how to assign it a new part number and to connect nets to it. In Layout...
    Posted to PCB Design (Forum) by tmd63 on Thu, Mar 14 2013
  • What's Good About Allegro PCB Editor Place Replicate Text Support? Check Out 16.6!

    The Allegro PCB Editor Place Replicate application now supports the processing of component reference designators. The work performed in customizing assembly text or silkscreen to the seed circuit can now be leveraged across the replicated modules. Read on for more details… In the image below...
    Posted to PCB Design (Weblog) by Jerry GenPart on Mon, Mar 4 2013
  • Static shapes not displaying solid.

    I have a couple of shapes used for edge protections etc which are static shapes to ensure that tracks do not destroy the protection provided. But when I try to see them onscreen, the filled area is a mesh of dots instead of a solid area. If I switch it to a dynamic shape, the display shows a solid area...
    Posted to PCB Design (Forum) by tmd63 on Fri, Mar 1 2013
  • New board has missing nets

    I have a new design and the schematic has transferred to PCB. But when I look at the design, some of the nets have a boxand cross instead of a rubberband net. I have not set any plane layers yet. When I open the constraint manager, 'Properties' shows the nets but 'Electrical' does not...
    Posted to PCB Design (Forum) by tmd63 on Tue, Feb 26 2013
  • Allegro Sigrity Makes its Debut at DesignCon 2013

    After Cadence acquired Sigrity in July 2012, we heard many of the same questions: What is happening with my favorite Sigrity tools? Is Cadence going to change the functions and features I’ve been working with several years? If I’m not a Cadence Allegro user, can I continue using Sigrity tools...
    Posted to PCB Design (Weblog) by TeamAllegro on Tue, Feb 12 2013
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