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Regarding Differential Signal...

Discussion in 'General Electronics Discussion' started by KRK, Jun 28, 2017.

  1. KRK

    KRK

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    Jun 20, 2017
    Why is that we route the differential signals parallel? Is there any specific reason there ?
     
  2. shrtrnd

    shrtrnd

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    Jan 15, 2010
    I'm not sure what it is exactly that you're asking.
    You DO realize, that you're talking about DIFFERENTIAL signals, don't you?
    Observing the 'differential' between signals.
     
  3. BobK

    BobK

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    Jan 5, 2010
    Yes, because interference will be picked up equally by both lines and will not change the difference between them.

    Bob
     
  4. KRK

    KRK

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    Jun 20, 2017
    Thank you. But i need some more information. Why this signal route in parallel. We have to route as as like single ended signal , what will happen ?
     
  5. BobK

    BobK

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    Jan 5, 2010
    I answered that question already. They are routed in parallel to reduce the impact of any interference they might pick up.

    If you do not route them in parallel, what happens depends on how sensitive the circuit is to interference and how much interference (RFI) exists in the environment. In other words, it might work just as well, or it might not.

    Bob
     
  6. Harald Kapp

    Harald Kapp Moderator Moderator

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    Nov 17, 2011
    Here is an old video, but the theory is still valid.
    You may also like to watch this video (also old, but valid) explain wave theory.
     
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