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Stability analysis of higher-order delta-sigma modulators using the describing function method

By Jaswinder Lota, Mohammed Al-Janabi and Izzet Kale

Abstract

The aim of this paper is to determine the stability of higher-order /spl Delta/-/spl Sigma/ modulators using the describing function method. The maximum stable input limits for third-, fourth- and fifth-order Chebyshev Type II based /spl Delta/-/spl Sigma/ modulators are established. These results are useful for optimising the design of higher-order /spl Delta/-/spl Sigma/ modulators

Topics: UOW3
Publisher: IEEE
OAI identifier: oai:westminsterresearch.wmin.ac.uk:3234
Provided by: WestminsterResearch

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Citations

  1. 4 -I- -4 ~Engineering and Computer Science,
  2. Multiple-Input Describing Functions and
  3. (1994). Stability Predictions for Higher-Order Sigma-Delta Modulators SoBAttd 83 Quantizer Gain Based on Quasilinear Modeling",

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