[Moved] Reading a digital signal from a cable without galvanic contact

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zzh

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The following picture shows a digital signal (blue) and a version obtained without galvanic contact (red). I'm looking for a simple way to obtrain the original, blue, signal, from the red one. ¿any ideas?

Kind regards
Hector

 

Re: Reading a digital signal from a cable without galvanic contact

  • Transformer
  • Optical isolation
 

Re: Reading a digital signal from a cable without galvanic contact

Maybe I posted it in the wrong place. I move the question to Digital Design.
 

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