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CAPACITOR SWITCHING CIRCUIT

  • US 20100308932A1
  • Filed: 06/09/2009
  • Published: 12/09/2010
  • Est. Priority Date: 06/09/2009
  • Status: Active Grant
First Claim
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1. A capacitance switching element, comprising:

  • a first capacitor;

    a second capacitor;

    a first transistor comprising a first gate, a first source, and a first drain;

    a second transistor comprising a second gate, a second source, and a second drain, wherein the first transistor and the second transistor are coupled in series between the first capacitor and the second capacitor;

    a first resistor connecting the first gate to a first control signal;

    a second resistor connecting the second gate to the first control signal;

    a third resistor connecting the second drain to a second control signal;

    a fourth resistor connecting the first source to the second control signal; and

    a fifth resistor connecting the second source and the first drain to the second control signal;

    wherein the second control signal is a level-shifted compliment of the first control signal.

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