DocumentCode
1415591
Title
Measurement of small resistance variations using ΣΔ technique
Author
Gal, S. ; Cathebras, G. ; Bertrand, Y.
Author_Institution
LIRMM, Montpellier, France
Volume
34
Issue
16
fYear
1998
fDate
8/6/1998 12:00:00 AM
Firstpage
1578
Lastpage
1579
Abstract
A novel circuit is proposed for measuring small resistance variations. The method uses a ΣΔ modulator to balance a current controlled resistor bridge. This allows direct analogue to digital conversion without using a high precision instrumentation amplifier
Keywords
bridge instruments; electric resistance measurement; sigma-delta modulation; ΣΔ modulator; analogue to digital conversion; current controlled resistor bridge; resistance measurement;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19981097
Filename
707149
Link To Document