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Breakdown voltage protection circuit

  • US 4,306,185 A
  • Filed: 07/01/1980
  • Issued: 12/15/1981
  • Est. Priority Date: 07/01/1980
  • Status: Expired due to Term
First Claim
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1. A voltage regulator circuit which comprises:

  • current source means connected to a first potential;

    reference voltage means connected in series with said current source means for establishing a maximum reference voltage, said current source means and said reference voltage means connected between said first potential and a second potential; and

    a source follower connected to said first potential and to the junction between said current source means and said reference voltage means, the output voltage of said source-follower limited to a voltage less than a preselected voltage.

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