Common-mode current removal schemes for digital-to-analog converters

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United States of America Patent

PATENT NO 12081229
APP PUB NO 20240014824A1
SERIAL NO

17811706

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Abstract

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Methods and apparatus for common-mode current removal in a digital-to-analog converter (DAC). An example DAC circuit generally includes a plurality of current-steering cells, a resistor ladder circuit coupled to the plurality of current-steering cells and having a plurality of shunt branches, and an adjustable resistance circuit coupled between middle nodes of the plurality of shunt branches and a reference potential node for the DAC circuit.

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Patent Owner(s)

  • QUALCOMM INCORPORATED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ramprasad, Sumant Cupertino, US 5 83
Saputra, Nitz Burlingame, US 15 21
Swaminathan, Ashok Cardiff, US 22 136

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