DocumentCode
887963
Title
Multiband sigma-delta modulation
Author
Aziz, Pervez ; Sorensen, H. ; Van der Spiegel, Jan
Author_Institution
Pennsylvania Univ., Philadelphia, PA, USA
Volume
29
Issue
9
fYear
1993
fDate
4/29/1993 12:00:00 AM
Firstpage
760
Lastpage
762
Abstract
A sigma-delta modulation architecture which breaks the signal band into smaller bands and uses a different band reject noise shaping transfer function per band is described. Operating at 1.024 MHz and 64 kHz signal bandwidth with 2nd order modulators, the resolution of the architecture is 4.5 bits higher than that of a standard 2nd order sigma delta ( Sigma Delta 2).
Keywords
analogue-digital conversion; delta modulation; modulators; transfer functions; 1.024 MHz; 64 kHz; A/D convertors; band reject noise shaping transfer function; multiband architecture; resolution; second order modulators; sigma-delta modulation architecture; signal bandwidth;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19930509
Filename
211252
Link To Document