DocumentCode
1550155
Title
Noise shaping modulator with logarithmic response
Author
Hernandez, L. ; Paton, Susana
Author_Institution
Dept. de Ingenieria Electr., Univ. Carlos III, Madrid
Volume
35
Issue
12
fYear
1999
fDate
6/10/1999 12:00:00 AM
Firstpage
955
Lastpage
956
Abstract
A discrete-time noise-shaping modulator is shown to encode the logarithm of its input without using logarithmic or exponential elements. Used as an A/D converter, the proposed modulator may replace a logarithmic amplifier followed by a uniform quantiser. Used as a D/A converter, it may replace a multibit piecewise logarithmic circuit with a single-bit circuit
Keywords
analogue-digital conversion; digital-analogue conversion; modulators; A/D converter; ADC; D/A converter; DAC; discrete-time modulator; logarithmic response; noise shaping modulator;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19990690
Filename
788039
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