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High frequency pcb footprints

Discussion in 'PCB Layout, Design and Manufacture' started by wdariusw, Aug 30, 2015.

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  1. wdariusw

    wdariusw

    149
    7
    Nov 10, 2014
    Hi. I wonder, if PCB have trace-antenna , and pcb RF output is 433mhz, it is very important smd components footprint shape , if they are connected to antenna? Thanks !
     
  2. HellasTechn

    HellasTechn

    1,537
    213
    Apr 14, 2013
    i dont understand your question
     
  3. AnalogKid

    AnalogKid

    2,393
    665
    Jun 10, 2015
    Yes. For a reliable 433 MHz design:
    1. It is important to use SMD devices.
    2. The trace lengths, widths, thicknesses, and shapes all are very important.

    ak
     
  4. wdariusw

    wdariusw

    149
    7
    Nov 10, 2014
    This is what i mean. This is board with trace-antenna (please see attached picture) . SMD parts, that are connected straight to the antenna have rounded footprints. This is because of high frequency radio waves reflections ?
     

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