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Intelligent bias voltage generating circuit

  • US 5,892,394 A
  • Filed: 09/20/1996
  • Issued: 04/06/1999
  • Est. Priority Date: 07/19/1996
  • Status: Expired due to Fees
First Claim
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1. A circuit for generating a bias voltage for an electronic device, said bias voltage generating circuit comprising:

  • a detecting circuit;

    a control circuit; and

    a multi-section bias voltage generating circuit comprising a plurality of bias voltage generating sections;

    said detecting circuit being fed by a power source signal and producing output signals in response to power fluctuations;

    said control circuit generating control signals in response to said output signals, said control signals being applied to said multi-section bias voltage generating circuit alternately, such that only one of said sections is active at a given time;

    said multi-section bias voltage generating circuit producing said bias voltage, an amplitude of said bias voltage depending on which section of said multi-section bias voltage generating circuit is active.

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