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Sigma-delta modulator with DAC resolution less than ADC resolution and increased dynamic range
Sigma-delta modulator with DAC resolution less than ADC resolution and increased dynamic range
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机译:Σ-Δ调制器,DAC分辨率低于ADC分辨率,动态范围更大
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摘要
A sigma-delta modulator is provided with a feedback digital-to-analog converter having less resolution than the quantizer, while providing a reduced length output word, requiring minimal additional internal processing, and shaping of the truncation error by an effective noise transfer function greater than the order of the host sigma-delta modulator, and further providing increased dynamic range.
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