Signal generator

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11233480
APP PUB NO 20210194430A1
SERIAL NO

17128882

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A signal generator has a nominal frequency control input and a modulation frequency control input and comprises an oscillator, with a first set of capacitors at least partially switchably connectable for adjusting a frequency of the oscillator as part of a phase-locked loop, and a second set of capacitors comprised in a modulation stage of the oscillator, switchably connectable for modulating the frequency and controlled by the modulation frequency control input; a modulation gain estimation stage configured to determine a frequency-to-capacitor modulation gain; and a modulation range reduction module configured for clipping a modulation range of the oscillator to a range achievable using the second set of capacitors, using the modulation gain averaging out, in time, a phase error caused by the said clipping; and mimicking the said clipping, additively output to the nominal frequency control input to compensate said PLL for the said modulation.

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Patent Owner(s)

  • STICHTING IMEC NEDERLAND

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
van, den Heuvel Johan Geldrop, NL 10 21

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