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 Community Search 

Page 1 of 1 (6 items)
  • Help: OrCAD 16.2, High Speed design, PCB Editor, SPECCTRA
    Hi,   My university has an OrCAD 16.2 license, and I'm currently working on a high-speed design. Well, trying to work at least. First of all, I can't seem to get the high speed rules set in Capture CIS to be recognized in PCB editor. After some searching, I read that I could use SPECCTRA to write a routing script with all my rules ...
    Posted to PCB Design (Forum) by KnowledgeSeek on Mon, Jan 30 2012
  • Re: Package Symbol Wizard, SMD DISCRETE
    Ah I see! Thanks for the Help oldmouldy, I really appreciate it :)    
    Posted to PCB Design (Forum) by KnowledgeSeek on Thu, Dec 1 2011
  • Re: Package Symbol Wizard, SMD DISCRETE
    Thanks!   Ok so that document describes how I should design the pads. So I design a pad with the specified height and width(D4 & D5) in the pad designer, then in the Package Symbol Wizard, I define e1 according to the D3 parameter in the document you provided. Am I on the right path?    Thanks again for the help :)
    Posted to PCB Design (Forum) by KnowledgeSeek on Mon, Nov 28 2011
  • Package Symbol Wizard, SMD DISCRETE
    Hi guys, newbie alert :)   I'm using Allegro PCB Editor 16.2, and I'm having some trouble figuring out how to make a simple 0402 footprint for my caps.. I mean, you'd think this stuff was standard, and should be included in the library... but whatever, can't have everything on a silverplatter I guess.   Anyway, The ...
    Posted to PCB Design (Forum) by KnowledgeSeek on Sat, Nov 26 2011
  • Re: BGA padstack PCB Editor
    Well, for now, I'm using the 4MM_RD padstack, with a width of 15.75mils(0.4mm).. It's the same padstack used by the OMAP-L138 footprint that I'm using provided by TI. The balls on the L138 seem to have the same dimensions(or at least within the same range: tolerance levels of 0.55/0.45 on the L138, while the DDR2 IC only states ...
    Posted to PCB Design (Forum) by KnowledgeSeek on Mon, Nov 14 2011
  • BGA padstack PCB Editor
    Hi, I'm fairly new to the OrCad package. I'm trying to create a footprint for a DDR2 IC (MT47H128M16RT-25E:C) I'm going to use in my system. This IC comes in a 84 ball BGA package with 0.45mm ball diameter. What padstack do I use? I'm using the Package Symbol Wizard. There is something called "Bgapad" in the padstack ...
    Posted to PCB Design (Forum) by KnowledgeSeek on Sun, Nov 13 2011
Page 1 of 1 (6 items)