Abstract
A novel dithered multistage noise shaping (MASH) digital delta-sigma modulator (DDSM) that produces a spur-free output spectrum is presented. The order of the least significant bit (LSB) dither shaping can be increased to that of the modulator, without producing spurious tones. Theoretical results prove that the quantization noise is asymptotically white and uncorrelated with the input; this is corroborated by behavioral simulations.
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Schedule a callMore From: IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing
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