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Ground lift

Discussion in 'General Electronics Discussion' started by premarjun, Jan 20, 2015.

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  1. premarjun

    premarjun

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    Jan 20, 2015
    Could someone explain me what "Ground lift" means?
    Where do we use this concept?and how can we achieve it? please explain or provide me with a link
    Thank you
     
  2. davenn

    davenn Moderator

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    Sep 5, 2009
    haven't heard of ground lift .... in what context have you seen this referenced to ?
    have you googled the term, ground lift ? what were the results ?

    unless maybe another name for a floating ground ??


    Dave
     
  3. Arouse1973

    Arouse1973 Adam

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    Dec 18, 2013
    I only know of ground lift from external lightning strikes to the ground near an electrical installation. The whole ground close to this lifts in potential. I don't think it's ever something you would want. But I might be wrong.
    Adam
     
  4. premarjun

    premarjun

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    Jan 20, 2015
    I tried googling it,but it was not so clear,but some said that it was used to reduce the noise. In my case,actually I am designing a ring oscillator to obtain a stable frequency. I don't know how to apply that concept in order to obtain a stable frequency even though there is a fluctuations in the input?
     
  5. Calmore

    Calmore

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    Jan 19, 2015
    AFAIK, it's having a system ground somewhere above actual ground.
     
  6. shrtrnd

    shrtrnd

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    Jan 15, 2010
    If that's he case, try Googleing 'DC Offset', or 'Voltage Offset'/
     
  7. BobK

    BobK

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    Jan 5, 2010
    Well, ground effect gives you extra lift when you get close to the ground when landing an airplane, but I don't think that is what the OP wants.

    Bob
     
  8. Calmore

    Calmore

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    Jan 19, 2015
    Bobk, that was my first thought, I must admit. I then went to search Ekranoplan videos on youtube and ended up wasting an hour.
     
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