Multibit oversampled Σ–Δ A/D convertor with nonuniform quantisation

14 March 1991

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 27 (6) , 528-529
https://doi.org/10.1049/el:19910332

Abstract

Nonuniformly quantised multibit oversampled Σ–Δ A/D convertors are proposed which achieve high signal-to-noise ratio over a wide dynamic range. Simulation results are presented for first- and second-order 4 bit Σ–Δ A/D convertors with companding internal quantisers.

Keywords

NONUNIFORM QUANTISATION
COMPANDING INTERNAL QUANTISERS
MULTIBIT OVERSAMPLED Σ-Δ A/D CONVERTORS
DYNAMIC RANGE
SIGNAL-TO-NOISE RATIO
FIRST ORDER
SECOND ORDER

This publication has 1 reference indexed in Scilit:

Oversampling Delta-Sigma Data Converters
Published by Institute of Electrical and Electronics Engineers (IEEE) ,1991