Combined Effects of Overflow and Quantization in Fixed-Point Digital Filters

Tamal Bose

Research output: Contribution to journalArticlepeer-review

18 Scopus citations


The combined effect of two′s complement overflow and quantization in digital filters is investigated. It is shown that the filter dynamics can be quite different when the two nonlinear operations are operating together rather than individually. Both the state-space and direct-form structures are considered and sufficient conditions are established for stability under the combined effect of overflow and quantization. Some properties of limit cycles are also derived.

Original languageEnglish (US)
Pages (from-to)239-244
Number of pages6
JournalDigital Signal Processing
Issue number4
StatePublished - Oct 1994

ASJC Scopus subject areas

  • Signal Processing
  • Computer Vision and Pattern Recognition
  • Statistics, Probability and Uncertainty
  • Computational Theory and Mathematics
  • Electrical and Electronic Engineering
  • Artificial Intelligence
  • Applied Mathematics


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