System including feedback circuit with digital chopping circuit

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United States of America Patent

PATENT NO 8203471
APP PUB NO 20110215955A1
SERIAL NO

12717294

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A system including a first circuit, a second circuit, and a feedback circuit. The first circuit is configured to provide input signals. The second circuit is configured to receive the input signals and provide digital output signals that correspond to the input signals. The feedback circuit includes a chopping circuit, an integrator circuit, and a digital to analog converter circuit. The chopping circuit is configured to receive the digital output signals and provide error signals that represent ripple error in the digital output signals. The integrator circuit is configured to accumulate the error signals and provide an accumulated error signal. The digital to analog converter circuit is configured to convert the accumulated error signal into an analog signal that is received by the second circuit to reduce the ripple error.

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Patent Owner(s)

Patent OwnerAddress
INFINEON TECHNOLOGIES AGGERMAN BERG LAURA IBIZA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ausserlechner, Udo Villach, AT 290 3700
Motz, Mario Wernberg, AT 163 1983

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  • 12 Citation Count
  • H03M Class
  • 49.41 % this patent is cited more than
  • 13 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges2626615253421478943701 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +020406080100120140160180200220240260280

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