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Recent content by prastesh

  1. P

    Allegro- Editing a single Via's size

    Hi Prince, While replacing via click on "single via replace mode" and then select required via ,then replace it with new one.
  2. P

    How to create VCC and GND layers

    HI, Go to XSection option.just click on that.By default only Top and Bottom is there.Right click on first coloumn, you get option add layer above,blow or remove.Using this you can create required number of layers and rename it.
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    Allegro- assigning name to pins of footprint

    Hi Prince, For changing only name you can use edit->text,make sure that class package geometry subclass pin number should be enabled,just click on pins,then you can edit.If we removed this text it becomes mechanical pin.If u want to convert it to connected pin again place connected pins.I...
  4. P

    Allegro - few questions

    For my knowledge it is not possible.Layout file only represents schematic and net list files.
  5. P

    Cadence Alegro 16.3 - Is there a way to add more vias to a trace using pcb design

    When you are copying via ,there options comes qty->give how many vias required in row and coloumn.Its easy way to add multiple vias.
  6. P

    Allegro- name assignment to pins..

    hi, Open that .dra file.Then go to tools->padstack->Modify padstack,right click on it.Edit option comes. then save as by giving proper name.Then again go to tools->Padstack->replace here you select old padstack and below select newpadstack.Then give pin no which you want to replace
  7. P

    Allegro PCB editor importing..

    Hi Prince, Use Edit vertex command and extend outline for required value.
  8. P

    Allegro PCB editor importing..

    Before you importing in to boardfile set correct library path,Setup ->User preference->Paths->Library ,select path for both pad and psm paths.Then draw outline and import into board file.Then Place->Quick place.If no errors or warnings all components will come inside.
  9. P

    how to bring back the deleted text

    If you deleted text it becomes mechanical pin.Then again you place pins as connect pins.If you want to change pin number,you edit it make sure that by enabling class package geometry subclass pin number.
  10. P

    length matching in allegro16.2

    Click on i symbol(Make sure that only net is enabled in Find) and then select specific net.The total length is displayed.Otherwise go to Tools->quick reports then select etch length by layer report.Here you get all signal length report.By comparing this you can check the length match of signals.
  11. P

    how to create layer stackup like this ???

    Hi, Go to Xsection.There are only two layers by default.Then right click on number coloumn below top layer.The option "Add layer below", "Add layer above" and "Remove layer" option comes.You can add any number of layers using first two options.The .jpj image file is attached for your reference
  12. P

    importing gerber file into board file

    Open Allegro software.Then go to files->import artwork,give suitable file name,then select required class and subclasses.Give ok.
  13. P

    diff between 2layer and 4layer

    Two layer means only top and bottom layers present.Components can be placed on both top and bottom.Routing of signals and power only can be done using both layers.In 4 layers top,ground,Power and bottom present.Components can be placed both top and bottom and routing of signals can be done on...
  14. P

    [SOLVED] create slots in OrCAD

    OrCad also supports Oblong slots.In pad designer there is option hole type, there you select oval slot.
  15. P

    layout cross section for 4layer

    You import the schematics.Then only connection rats are enabled and components can be placed.After importing give quick place then components automatically comes in to board file

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