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Description of a 2-Bit Adaptive Sigma-Delta Modulation System with Minimized Idle Tones
EURASIP Journal on Advances in Signal Processing volume 2008, Article number: 426502 (2007)
A 2-bit adaptive sigma delta modulation system that inherently eliminates the idle tones present in conventional and other adaptive sigma delta systems is described. The system incorporates both memory and look-ahead instantaneous step-size estimations and, as shown by computer simulation results apart from eliminating the unwanted idle tones despite dithering, it offers improved SNR performance and extended dynamic range.
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Prosalentis, E.A., Tombras, G.S. Description of a 2-Bit Adaptive Sigma-Delta Modulation System with Minimized Idle Tones. EURASIP J. Adv. Signal Process. 2008, 426502 (2007). https://doi.org/10.1155/2008/426502
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