Efficient dithering technique for sigma-delta analog-to-digital converters
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United States of America Patent
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Feb 28, 2017
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Jan 12, 2015
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Jan 12, 2015
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Abstract
A sigma-delta analog to digital converter (ADC) includes an M-bit digital-to-analog converter (DAC); a loop filter coupled to receive an output from DAC; and a variable level quantizer configured to provide a uniform quantization function by switching between an N-level quantizer function and an N−1 level quantizer function.
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