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Apparatus and method for frequency quintupling

  • US 10,715,038 B1
  • Filed: 11/29/2019
  • Issued: 07/14/2020
  • Est. Priority Date: 11/29/2019
  • Status: Active Grant
First Claim
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1. A circuit comprising:

  • a first TSCP (tri-stage charge pump) configured to receive a first phase and a third phase of a five-phase clock and output a first current to an output node;

    a second TSCP configured to receive a second phase and a fourth phase of the five-phase clock and output a second current to the output node;

    a third TSCP configured to receive a third phase and a fifth phase of the five-phase clock and output a third current to the output node;

    a fourth TSCP configured to receive a fourth phase and the first phase of the five-phase clock and output a fourth current to the output node;

    a fifth TSCP configured to receive a fifth phase and the second phase of the five-phase clock and output a fifth current to the output node; and

    a load configured to terminate the output node.

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