Understanding Delta-Sigma Data Converters
Citations
6 citations
6 citations
Cites background or methods from "Understanding Delta-Sigma Data Conv..."
...Index Terms— DACs, information, noise shaping, delta sigma...
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...On the theory side, this paper extends these ideas to DACs....
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...The conventional design with zeros optimized to minimize the in band DAC noise [5] was compared to the proposed design with zeroes optimized based on maximizing information....
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...For practical noise shaping in delta sigma DACs, [4] and [5] optimized the zeros of the NTF to minimize the total integrated noise power....
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...DACs are usually defined as having a constant number of bits over a contiguous bandwidth and consume power which is approximately proportional to 2bits x bandwidth....
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6 citations
Cites background or methods from "Understanding Delta-Sigma Data Conv..."
...As the CIC filter has a passband droop, a relatively simple extra stage might be required as a droop-compensation filter (Schreier and Temes 2005)....
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...Oversampled delta-sigma analogue-to-digital converters (ADCs) have been widely used in high-resolution data converters (Schreier and Temes 2005; Roh et al. 2008, 2009)....
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6 citations
6 citations
Cites background or methods from "Understanding Delta-Sigma Data Conv..."
...We use a low-pass or bandpass delta–sigma encoding algorithm to move the quantization noise out of band [15]....
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...frequencies that are typically out of band [14], [15]....
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...This feature has a high-pass filtering effect on the power spectral density (PSD) of the error signal [15]....
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...tectures report extensive efforts to minimize PWJ [16], [17], even at the expense of degraded linearity and increased circuit complexity [15], [18]....
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References
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