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Fast converter for crossing voltage domains

  • US 7,551,035 B2
  • Filed: 08/24/2006
  • Issued: 06/23/2009
  • Est. Priority Date: 02/08/2006
  • Status: Expired due to Fees
First Claim
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1. A voltage domain crossing circuit, configured to provide an output signal in a high voltage domain based on an input signal from a low voltage domain, the low voltage domain having a lesser maximum operating voltage than the high voltage domain, comprising:

  • an AC coupling component configured to split the input signal from the low voltage domain into a first voltage signal and a second voltage signal;

    a DC biasing component, coupled to the AC coupling component, configured to bias the first voltage signal with a first DC voltage to provide a first DC biased voltage signal and to bias the second voltage signal with a second DC voltage to provide a second DC biased voltage signal; and

    a high voltage output amplifier, coupled to the DC biasing component, configured to amplify the first DC biased voltage signal and the second DC biased voltage signal in the high voltage domain to provide the output signal in the high voltage domain.

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