Realization of ternary sigma-delta modulated arithmetic processing modules

Authors:
Amin Z. Sadik;Peter J. O'Shea
Affiliations:
School of Engineering Systems, Queensland University of Technology, Brisbane, QLD, Australia;School of Engineering Systems, Queensland University of Technology, Brisbane, QLD, Australia
Venue:
EURASIP Journal on Advances in Signal Processing
Year:
2009

Citing 2
Cited 0

Performance estimation for lowpass ternary filters

EURASIP Journal on Applied Signal Processing
An approach for stability analysis of a single-bit high-order digital sigma-delta modulator

Digital Signal Processing

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Abstract

Sigma-delta modulated systems have a number of very appealing properties and are, therefore, heavily used in analog to digital converters, amplifiers, and modulators. This paper presents new results which indicate that they may also have significant potential for general purpose arithmetic processing. The paper introduces new arithmetic processing structures for ternary (i.e., +1, 0, or -1) sigma-delta modulated signals. Simulations show that these new structures can be implemented very efficiently and have relatively good accuracy.