2004•Unpublished venueRequires access

Optimise the dynamic range of a sigma-delta modulator

J. Zhang, Paul V. Brennan, Dai Jiang, P.D. Smith, Elena D. Vinogradova

Abstract

This paper introduces analytic and numerical methods to optimise the dynamic range of a third-order sigma-delta analogue-to-digital converter (ADC). Quantisation noise in a specified bandwidth is predicted and expressed relative to the maximum sinusoidal output from the ADC, for a range of design parameters, in order to establish the optimum design to achieve maximum dynamic range.

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Available abstract

Key concepts: Delta-sigma modulation, Dynamic range, Bandwidth (computing), Noise shaping, High dynamic range, Electronic engineering, Range (aeronautics), Sigma