Adjusting the magnitude of a capacitance of a digitally controlled circuit

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United States of America Patent

PATENT NO 9954486
SERIAL NO

15013649

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An apparatus comprises a digitally controlled circuit having a variable capacitance and a controller configured to adjust a magnitude of the variable capacitance of the digitally controlled circuit. The digitally controlled circuit comprises a plurality of gain elements, the plurality of gain elements comprising one or more positive voltage-to-frequency gain elements and one or more negative voltage-to-frequency gain elements. The controller is configured to adjust the magnitude of the capacitance by adjusting the gain provided by respective ones of the gain elements in an alternating sequence of the positive voltage-to-frequency gain elements and the negative voltage-to-frequency gain elements.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINE CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ainspan, Herschel A New Hempstead, US 31 242
Ferriss, Mark A Tarrytown, US 22 89
Friedman, Daniel J Sleepy Hollow, US 112 3020
Rylyakov, Alexander V Mount Kisco, US 69 712
Sadhu, Bodhisatwa White Plains, US 84 442
Valdes-Garcia, Alberto Chappaqua, US 29 960

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