Abstract: The output spectra of digital delta sigma modulators (DDSMs) are characterized by unwanted spurious periodic tones (spurs).
This paper describes a DDSM architecture with multiple periodic dither inputs and explains the limits of its performance. I. INTRODUCTION. Digital delta-sigma ...
Additive pseudorandom dither is used to whiten the quantization noise of the DDSM in order to minimize these spurs. Unfortunately, pseudorandom dither signals ...
Additive pseudorandom dither is used to whiten the quantization noise of the DDSM in order to minimize these spurs. Unfortunately, pseudorandom dither signals ...
Hongjia Mo, Michael Peter Kennedy: Comments on efficient dithering in digital delta-sigma modulator. ICECS 2014: 88-91. manage site settings.
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The state of the art on spur-tone-magnitude reduction is used to demonstrate that an M -bit MASH architecture dithered by a simple M-bit linear feedback ...
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We explain clearly why dither signals with short periods may not be effective in removing spurs from the underlying DDSM. To illustrate these issues, we focus ...
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Oversampled sigma-delta modulators make very suitable candidates for analog-to-digital (A/D) converters that are economical both in power and die area [1], [2].
Oct 22, 2024 · For this low-resolution digital MASH, the feedback dithering technique [19] presents spur tones, even when the input signal is not a constant ...
The DDSM is also analyzed by using non-shaped, shaped and self – dithering mechanism to achieve a pure output spectrum and reduced quantization noise. Keywords: ...