Boosting varactor capacitance ratio

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United States of America Patent

PATENT NO 9401696
APP PUB NO 20160204764A1
SERIAL NO

14731593

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Abstract

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A voltage controlled oscillator comprises a negative resistance, a first inductor, a fixed capacitor, and a frequency control component. The frequency control component comprises at least one varactor and at least a second inductor connected in series with the at least one varactor. A magnitude of an inductance of the second inductor is selected such that the frequency control component has an effective capacitance range larger than a capacitance range of the at least one varactor.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ferriss, Mark A Tarrytown, US 22 89
Friedman, Daniel J Sleepy Hollow, US 112 3020
Sadhu, Bodhisatwa White Plains, US 84 442
Valdes-Garcia, Alberto Chappaqua, US 29 960

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