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Recent content by elec4fun

  1. elec4fun

    no footprint on orcad,

    Hi, In general you need to create all the PCB footprint you need. Orcad/Cadence does not provides generic PCB footprint libraries. And yes, it is required to manually add the PCB footprint to any component in your symbol library. You may find symbols and/or footprint from some vendors (e.g...
  2. elec4fun

    error message while generating netlist,how to solve?

    Hi, As it is said, you may have an illegal character in your design (a pins, device name, net name,....). BR, Franck.
  3. elec4fun

    how to map copied placement to schematic components orcad pcb editor 16.6

    Hi, You need to use Logic/Assign RefDes on your copied components. Franck.
  4. elec4fun

    PCI Express computer side program

    Endpoints are devices. I've done some communication with a PCI device under windows. I wrote a WDF driver. I know you can also use some commercial API like Jungo Windriver to handle PCI communication. Franck.
  5. elec4fun

    PCI Express computer side program

    hi, From the "computer side", PCIe is like PCI. So if yo want to communicate with your device, you need a device driver (if you use linux, you can access your device from the user's land using mmap). A root complex is the PCIe "master". The root complex talks to endpoints. Franck.
  6. elec4fun

    which symbol in HDL stands for connecter?

    Hi, You need to have a corresponding 10 pins schematics part in HDL. The footprint property of this schematics part must match the Allegro footprint name you want to use. Franck.
  7. elec4fun

    Offering a part time freelance service to help you in your projects

    Hi, In order to get some extra work, I decided to create a company. I can offer you my expertise to help you in your projects. I'm working home, on my free time (I'm currently working as a computer hardware engineer in a company). You'll find more info here: **broken link removed** Franck.
  8. elec4fun

    info: Gerber to povray converter

    Hi, As I was interested in Eagle3D and because I'm using Allegro, I looked for a way to get the same result. Soldiworks (CircuitWorks) can do the job but it's not free... I started to work on a gerber to povray converter. The idea is to convert each visible layer the assemble them in a board...
  9. elec4fun

    Creatig Parts In orcad schematic capture?

    Hi, You need to create an heterogeneous multipart symbol in Orcad. Then you can split your symbol in logical blocs. Franck.
  10. elec4fun

    PCIe v2.0 (2.5 GT/s) Vs v 2.0 ( 5 GT/s)

    Hi, There is no avantage....The only major difference between those standards is speed. Franck.
  11. elec4fun

    Delta Origin in Allegro PCB editor?

    I don't think so.... May be someone has a tips for that ?
  12. elec4fun

    Delta Origin in Allegro PCB editor?

    Hi, You can change the design origin in Setup->Design Parameters->Design->Move Origin Franck.
  13. elec4fun

    FPGA interface to ethernet

    Yes you'll need a PHY. We are using a DP83848 in most of our design. Franck.
  14. elec4fun

    FPGA interface to ethernet

    Hi, I've already done this king of transfert. I used an vendor MAC IP (Altera TSE) and I did construct UDP frame in hardware. The anoying thing is that UDP CRC is placed before payload in the Ethernet frame so you can't calculate it on the fly while you are sending data.... You also may have...
  15. elec4fun

    Orcad net name changing

    Hi, Try to select your goup of nets then CTRL+E (or right click->properties). Now you can edit the net name. Franck.
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