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PCB Layout and routing

  • What's Good About The SPB16.2 PCB SI Release? Full Wave Field Solver!

    The SPB16.2 PCB SI release now contains the Electromagnetic Solution 2D Full Wave field solver (EMS2D). High density interconnect on PCB and packaging designs with signal switch rates over 5 Gpbs require model characterizations that can support frequency ranges from DC up to THz. Within this wide spectrum...
    Posted to PCB Design (Weblog) by Jerry GenPart on Wed, Jan 7 2009
  • Re: OrCad Layout To Cadence Translator

    If u want to translate or import an orcad layout file to cadence SPB.16/allegro tools, there is a hotfix available with the cadence software package, if not check with the cadence local tech support. However some modification might required for the footprints. regards, rinj
    Posted to PCB Design (Forum) by rinj on Tue, Dec 16 2008
  • Promotion--$60 for 10pcs PCB samples!

    Dear Sir or Madam, We have a good chance for PCB desingner. Please contact us immediately at sales@dtpcb.net We have a promotion for you. You can get 10pcs PCB with a $60 cost. Hope it will useful to you. Ditek Electronics Limited is a professional manufacturer that offers precision double sided and...
    Posted to PCB Design (Forum) by Simon Wong on Sun, Nov 23 2008
  • Re: Part Developer Symbol Editor will not display grid.

    Okay, I "think" I've figured out some of these things. My environment variables were set correctly, but the program still would "see" the footprint. I had to type in the footprint within parenthesis in the "Alt Footprint" box to get my footprint into the Part Developer...
    Posted to PCB Design (Forum) by Icefloe on Fri, Oct 24 2008
  • Part Developer Symbol Editor will not display grid.

    Two main questions in this post: How do I get the symbol grid to display in Part Developer? How do I attach my own custom PCB footprint to schematic symbol? I'm using Cadence 15.2 and I am in the Allegro PCB Design HDL 220 : Part Developer. All the tutorials and PDF's I've been reading show...
    Posted to PCB Design (Forum) by Icefloe on Fri, Oct 24 2008
  • Help to make a partial vias replacement

    Hi, I've a a bareboard with 9000 vias (all same type) and I need to change (padstack name) only the vias with test-point property assigned (2500). Is it possible in cadence (ver. 15.7) make a partial replacement (other options besides to symbol, pin, refdes, nets) ? Have you any idea? Thanks a lot...
    Posted to PCB Design (Forum) by Cris on Fri, Oct 24 2008
  • How to use skill file in allegro

    Hi All, Can anyone explain me how to use skill file in allegro ? Thanks in advance. Kingshar
    Posted to PCB Design (Forum) by kingshar on Wed, Oct 15 2008
  • about PCBA service

    Hi everybody ! My names is wang yongfu, i'm inexperienced in PCB and this is the first time i want to book my board in USA .i'm using Allegro for designing my board. Please help me . 1) I want to book my board in USA,apart from the etch layers, solder-mask top, solder-mask bottom, solderpaste...
    Posted to PCB Design (Forum) by wangyongfu on Mon, Oct 13 2008
  • Please Explain IPC std

    Dear all, Can anyvody explain me about the following: IPC2221A PCB Design Table 5.1 Fabrication considerations, last 2 points: 1. Conductor spacing<=0.1mm 2. Circuit Feature(conductor Width): <=0.1mm Is this details regarding track width & spacing? Normally, Track width will be depends on the...
    Posted to PCB Design (Forum) by rinj on Mon, Oct 6 2008
  • Orthogonal pin exit with Mitering

    I'm using Allegro PCB Router 16.01, and the problem I'm having is as follows: I want to keep all the wires coming out from pads and pins orthogonal (horizontal or vertical) The routing goes fine (orthogonal only),but then when using the "miter" command all the pad and pin exits come...
    Posted to PCB Design (Forum) by rboaz on Mon, Oct 6 2008
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