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Will magnet affect a Bluetooth device's RF reception?

Discussion in 'Electronic Design' started by Bluetooth 9.99, May 30, 2007.

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  1. I came across a problem with my Bluetooth portable device design: the
    antenna reception performance is super crapy! For some reason, I have
    to stick a 10mm x 5mm magnet onto the back of the device, and the
    lithium battery is placed inside the device's housing...
    I tested various antenna parameters, fast
     
  2. Jim Thompson

    Jim Thompson Guest

    Hey! Hey! Hey! We have a Bluetooth designer in our midst ;-)

    ...Jim Thompson
     
  3. As mpm wrote, putting big lumps of conductive materials close to the antenna
    will change performance.

    First thing to check would be reception and transmission if you place the
    Bluetooth part of the design in open air. If that works, try changing the device
    (place the antenna away from metal surfaces or re-design the antenna to radiate
    in that environment).
    And this is novel, how? (500 million chips or so shipped by my employer,
    containing a few modest contributions from yours truly)

    Best Regards

    Jens
     
  4. Jim Thompson

    Jim Thompson Guest

    It was meant tongue-in-cheek ;-)

    ...Jim Thompson
     
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