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grounding the PCB4

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  • grounding the PCB4

    Dear Robert

    I finished design of my PCB and I have connected all the nets. My 6 layer PCB consist of NXP LPC4357, GSM, LCD, NFC and GPS modules. I have some free spaces in my top, bottom and mid layers. Is it ok to make a GND polygon on free spaces of all the PCB?

    Thanks in advance.

  • #2
    Hello
    fatemehjml
    Junior Member
    fatemehjml I do not pour GND between signals. I read some articles, that if you pour GND between tracks it may sometimes make the results worse (especially EMC). So, I use only full GND planes inside PCB and I have never had problems with it, so I keep using it that way.

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    • oscargomezf
      oscargomezf
      Junior Member
      oscargomezf commented
      Editing a comment
      I've always had this question. And I've seen a lot of professional PCBs with GND planes in top and bottom living together with tracks.... amazing. An engineer always learning...

  • #3
    Thanks Robert.

    I will try it.

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