DocumentCode
797155
Title
Single-loop delta-sigma modulator with swing suppression
Author
Çoban, A.L. ; Allen, P.E.
Author_Institution
Sch. of Electr. & Comput. Eng., Georgia Inst. of Technol., Atlanta, GA, USA
Volume
31
Issue
22
fYear
1995
fDate
10/26/1995 12:00:00 AM
Firstpage
1886
Lastpage
1887
Abstract
A single-loop higher-order delta-sigma modulator with a new loop topology is presented. The loop-filter is composed of both feedback and feedforward paths. No active summing element is required in the modulator implementation. The modulator has low integrator output swings and a high input dynamic range, resulting in relaxed op-amp requirements even for low-voltage operation. Simulation results of a fourth-order modulator having the proposed loop filter are also given
Keywords
circuit feedback; feedforward; sigma-delta modulation; A/D conversion; ADC; delta-sigma modulator; feedback path; feedforward path; fourth-order modulator; high input dynamic range; higher-order modulator; loop topology; loop-filter; low-voltage operation; single-loop type; swing suppression;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19951307
Filename
490636
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