SPLIT-DITHERING SCHEME IN SUCCESSIVE APPROXIMATION ANALOG TO DIGITAL CONVERTER
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United States of America Patent
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Issued Date -
Oct 3, 2024
app pub date -
Mar 28, 2023
filing date -
Mar 28, 2023
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Abstract
A system includes a dither generator module that includes a most significant bits (MSB) dither generator device that generates a first random value. The dither generator module also includes a least significant bits (LSB) dither generator device that generates a second random value. The system further includes a first digital to analog converter (DAC) that receives a sum of the first random value and the second random value and generates a dither signal based on the sum of the first random value and the second random value. The system also includes an analog to digital converter (ADC) that receives a sum of the dither signal and a sampled input signal and generates a first digitized signal. The system includes a subtraction module that subtracts the sum of the first random value and the second random value from the first digitized signal to produce a digitized output signal.
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