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RAMP GENERATION CIRCUIT AND A/D CONVERTER

  • US 20080111591A1
  • Filed: 11/08/2007
  • Published: 05/15/2008
  • Est. Priority Date: 11/10/2006
  • Status: Active Grant
First Claim
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1. A ramp generation circuit comprising:

  • a charge supply unit which generates predetermined charges every predetermined time;

    an integration circuit which accumulates the charges generated from the charge supply unit and converts the charges into a voltage; and

    an attenuation unit which outputs, to an output terminal, a voltage obtained by attenuating a noise value of an output voltage from the integration circuit.

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