DocumentCode
3444334
Title
Normal Mode Offsets in High Performance Digital Multimeters
Author
Roberts, P.C.A. ; Early, M.D.
Author_Institution
Fluke Precision Meas. Ltd., Norwich
fYear
2004
fDate
38139
Firstpage
62
Lastpage
63
Abstract
The presence of a normal mode ac voltage can generate a significant dc offset in a digital multimeter (DMM). We have measured this offset for a range of instruments and find that it is more pronounced in high performance DMM´s. This effect is related to the use of more complex differential amplifiers in the preamplifier stage
Keywords
differential amplifiers; digital multimeters; preamplifiers; voltage measurement; differential amplifiers; high performance DMM; high performance digital multimeters; normal mode ac voltage; normal mode offsets; preamplifier stage; AC generators; Circuits; DC generators; Filters; Frequency; Hurricanes; Instruments; Laboratories; Measurement standards; Voltage;
fLanguage
English
Publisher
ieee
Conference_Titel
Precision Electromagnetic Measurements Digest, 2004 Conference on
Conference_Location
London
Print_ISBN
0-7803-8494-6
Electronic_ISBN
0-7803-8494-6
Type
conf
DOI
10.1109/CPEM.2004.305441
Filename
4097115
Link To Document