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EAGLE User Chat (English) Simple question about editing pads
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Simple question about editing pads

trinewton
trinewton over 7 years ago

I've been trying to edit the spacing/position of the pads on this example .brd file-

 

http://www.instructables.com/files/orig/FG0/FRGD/I4PHX5J0/FG0FRGDI4PHX5J0.brd

 

And though I have accidentally modified the traces plenty of times, I have no way to modify the pads in the center.

 

So my question is- how can I edit, and more specifically, redimension and move already existing pads in a board file?

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  • autodeskguest
    autodeskguest over 7 years ago +1 suggested
    On 29/05/16 05:36, Rohan Misra wrote: I've been trying to edit the spacing/position of the pads on this example .brd file- http://www.instructables.com/files/orig/FG0/FRGD/I4PHX5J0/FG0FRGDI4PHX5J0.brd…
  • autodeskguest
    0 autodeskguest over 7 years ago

    On 29/05/16 05:36, Rohan Misra wrote:

    I've been trying to edit the spacing/position of the pads on this example .brd file-

     

    http://www.instructables.com/files/orig/FG0/FRGD/I4PHX5J0/FG0FRGDI4PHX5J0.brd

     

    And though I have accidentally modified the traces plenty of times, I have no way to modify the pads in the center.

     

    So my question is- how can I edit, and more specifically, redimension and move already existing pads in a board file?

     

     

    Moving and editing pads that are just pads, placed on the board as just

    pads, is easy. But that's not what you have. You have a board with two

    SOIC-like devices placed on it. They're probably ICs that exist as such

    in the schematic. This is, of course, the RIGHT way to do it, and it's

    your question that's fundamentally wrong.

     

    I'll assume, for the sake of an example, that what you have are buffer

    ICs that are available in SOIC, but that you now want to fit the TSSOP

    versions. You're looking at this as "so I need smaller pads, closer

    together". That's WRONG. What you need is... TSSOP packages. So the way

    you do this, and it's really obvious once you know, is to "CHANGE

    PACKAGE" the ICs. Either enter that on the command line or click the

    spanner icon and select PACKAGE from the menu. Then click on the little

    origin cross in the middle of the IC. You will be offered all the

    available packages for that device. Select TSSOP.

     

     

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  • autodeskguest
    0 autodeskguest over 7 years ago

    On 29/05/16 05:36, Rohan Misra wrote:

    I've been trying to edit the spacing/position of the pads on this example .brd file-

     

    http://www.instructables.com/files/orig/FG0/FRGD/I4PHX5J0/FG0FRGDI4PHX5J0.brd

     

    And though I have accidentally modified the traces plenty of times, I have no way to modify the pads in the center.

     

    So my question is- how can I edit, and more specifically, redimension and move already existing pads in a board file?

     

     

    Moving and editing pads that are just pads, placed on the board as just

    pads, is easy. But that's not what you have. You have a board with two

    SOIC-like devices placed on it. They're probably ICs that exist as such

    in the schematic. This is, of course, the RIGHT way to do it, and it's

    your question that's fundamentally wrong.

     

    I'll assume, for the sake of an example, that what you have are buffer

    ICs that are available in SOIC, but that you now want to fit the TSSOP

    versions. You're looking at this as "so I need smaller pads, closer

    together". That's WRONG. What you need is... TSSOP packages. So the way

    you do this, and it's really obvious once you know, is to "CHANGE

    PACKAGE" the ICs. Either enter that on the command line or click the

    spanner icon and select PACKAGE from the menu. Then click on the little

    origin cross in the middle of the IC. You will be offered all the

    available packages for that device. Select TSSOP.

     

     

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  • autodeskguest
    0 autodeskguest over 7 years ago

    Am 29.05.2016 um 06:36 schrieb Rohan Misra:

    I've been trying to edit the spacing/position of the pads on this example .brd file-

     

    http://www.instructables.com/files/orig/FG0/FRGD/I4PHX5J0/FG0FRGDI4PHX5J0.brd

     

    And though I have accidentally modified the traces plenty of times, I have no way to modify the pads in the center.

     

    So my question is- how can I edit, and more specifically, redimension and move already existing pads in a board file?

     

    --

    To view any images and attachments in this post, visit:

    https://www.element14.com/community/message/198221

     

     

    Your parts (devices) in the centre are BLK-MD-SPK-B with a package of

    the same name in a library (same name). (I don't know what is is

    supposed to be)

    Devices one cannot  change in schematic or board. They must be edited in

    the library, or one must create a new device that fits the suits.

    Also a package has a body and a name/value. just check a package in an

    eagle library to see what is necessary to make a correct device.

     

    --

    Mit freundlichen Grüßen / With best regards

     

    Joern Paschedag

     

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