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PCB layout,PCB Layout and routing

  • homogenous symbols

    Hi, I am using Homogenous -'parts per package' symbol on my design. i get a netlisting error if i dont connect the power pins present on all the parts. ( for eg. for a HEX inverter IC with 6 parts, the power (#14) & GND (#7) pins are present on all the parts. ) is there a way to avoid connecting...
    Posted to PCB Design (Forum) by marysmita on Thu, Jul 4 2013
  • Multiple SRAMs 1 data bus

    I am creating a pcb with multiple srams connected to an FPGA on 1 data bus. I intend to clock the srams and the fpga at 150 MHz. I am concerned about what issues will arise when connecting mutliple srams to the same data bus (only 1 sram will have its output enabled at a time). For example should I worry...
    Posted to PCB Design (Forum) by neseroth on Fri, Jan 25 2013
  • About Schematic and layout...

    Thank you for quick reply, but since i am new to orcad I had put the wrong question. So once again I have put the question with the correction, Please reply.... I am designing a PCB using orcad. I put all the components in the schematic and make the connections and I create a netlist and hence the layout...
    Posted to PCB Design (Forum) by Wonderman on Mon, Nov 19 2012
  • How to add a company logo or a marking seregraphy with "Allegro PCB Design"

    Hi, how to add a company logo, a picture, or a marking seregraphy in PCB board with "Allegro PCB Design", see exemple in attached image: Best regards, Haithem.
    Posted to PCB Design (Forum) by HaithemEmbedde on Mon, May 28 2012
  • Greeting to all guys here

    Hello, guys, it is my first time to know you here. This is Jack from SOPPCB TECHNOLOGY in Shenzhen, China, we are a factory to make PCB fabrication and assembly for nearly 10 years. If any one here need to make PCB boards, pls contact me. Jack soppcbtech at gmail dot com SOPPCB
    Posted to PCB Design (Forum) by SOPPCB on Fri, Feb 17 2012
  • how to move routed area without any change

    Tool: Allegro PCB Editor 16.3 I have placed all components on a PCB & partially routed. Now I want to move the routed area by 1"down with all connections,footprints, vias & clines. It is a 6 layer PCB. Components are there on top & bottom. Routed nets are there on all signal layers....
    Posted to PCB Design (Forum) by rinj on Tue, Jan 3 2012
  • Cadence Allegro Contractor Needed

    Quantum CAD is in need of a Cadence Allegro, to work here on site for us for a period of 6 weeks. If your interested can you please call in on 01639 864646. Or send your CV to joseph@quantumcad.co.uk
    Posted to Jobs (Forum) by Joe Perry on Thu, Nov 17 2011
  • Can't place parts in Orcad PCB... :-( Hint appreciated! :-)

    I'm running an old Orcad Capture/PCB 16.2 - and have obviously been away from it too long! I can netlist (with the usual renaming warnings) and open the netlist in Orcad PCB. I get a (correct) list of parts when I go to Place/Manually - but there's no Quickview preview and I can't place anything...
    Posted to PCB Design (Forum) by N i z e on Fri, Oct 28 2011
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