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IEC standards

Discussion in 'Electronic Design' started by Roger Liu, Nov 10, 2004.

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  1. Roger Liu

    Roger Liu Guest

    Hi, All

    Recently I was looking thru the IEC 61000 series document (IEC 61000-4-5 is
    one of those, see enclosed). It actually spell out the requirement needed to
    withstand for AC operated electrical product, under a "noisy" AC supply
    environment. After further investigation on the requirement, it seems like
    for those portable device like Cellphone, Laptops, PDA, MP3 player etc..need
    NOT undergo these requirements. Infact only the charger is required to test
    the IEC1000 requirement and not the portables.

    I'm just curious why the requirement did not insist on testing the product
    as a whole, ie testing the IEC 61000-4-5 together with the charger & the
    portable, since many a times people do use the portable when it's

  2. Pooh Bear

    Pooh Bear Guest

    IEC standards are often lousily draughted with little regard for modern
    practical applications and products ( except obvious ones ) .

    *Interpreting* how they are meant to be applied is an art form in itself Talk
    to your test house.

  3. john jardine

    john jardine Guest

    John Woodgate could have well answered this but he seems to have vanished.
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