Sample-and-hold circuit

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United States of America Patent

PATENT NO 9997254
APP PUB NO 20180019020A1
SERIAL NO

15209573

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A sample-and-hold circuit, which includes a hold capacitor at its output terminal and at least one intermediate capacitor, intermittently receives an input voltage, and a first value of a switch enable signal causes the sample-and-hold circuit to sample the input voltage and to charge the at least one intermediate capacitor and the hold capacitor to the input voltage, and when it is not receiving the input voltage, a second value of the switch enable signal causes the sample-and-hold circuit to hold, at its output terminal, the input voltage until the hold capacitor discharges, which starts to discharge only after the at least one intermediate capacitor has substantially discharged.

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Patent Owner(s)

  • NXP USA, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Olarte, Gonzalez Javier Mauricio Campinas, BR 3 11
Saez, Richard Titov Lara Campinas, BR 10 60
Vilas, Boas André Luis Amparo, BR 3 26

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