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Method and circuit for galvanically isolated transmission of a signal

  • US 20060152082A1
  • Filed: 01/10/2006
  • Published: 07/13/2006
  • Est. Priority Date: 01/11/2005
  • Status: Active Grant
First Claim
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1. A method for galvanically isolated transmission of a signal, the method comprising:

  • feeding a primary side of a transformer with a pulse-width modulated first voltage, a duty factor of the first voltage indicating a signal state; and

    converting, by an electronic circuit, a second voltage obtained on a secondary side of the transformer into at least one signal voltage dependent on the duty factor, a magnitude of the at least one signal voltage representing the signal state.

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