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PCB Antenna nrf51822

Hello!

I am developing a pcb based on nrf51822. I am trying to copy the layout of the PCA10028 at first. But I will not use the coaxial connector for an external antenna.

How does the elimination of this component affect the impedance adaptation?

How should I modify the layout by removing this component?

Thank you!

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  • Hi,

     

    Difficult to say yet, there seems to be quite a bit of traces to be routed all over the board but it should be possible to make it work quite well. Make sure you place down a lot of vias between top and bottom layer ground planes and see if you maybe are able to move stuff around a bit to maximize the area you can use as ground.

     

    Best regards,

    Andreas

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