DocumentCode
1695174
Title
Adaptive compensation of analog circuit imperfections for cascaded delta-sigma ADCs
Author
Sun, Tao ; Wiesbauer, Andreas ; Temes, Gabor C.
Author_Institution
Dept. of Electr. & Comput. Eng., Oregon State Univ., Corvallis, OR, USA
Volume
1
fYear
1998
Firstpage
405
Abstract
Cascaded delta-sigma modulators are known to suffer from analog circuit imperfections. The adaptive algorithm and structure proposed in this paper can digitally compensate the effects of these imperfections using digital filtering. Experimental results show that after compensation a performance improvement of more than 25 dB in signal-to-noise-and-distortion ratio can be achieved
Keywords
CMOS integrated circuits; adaptive filters; cascade networks; compensation; digital filters; sigma-delta modulation; CMOS IC; MASH structure; adaptive algorithm; adaptive compensation; analog circuit imperfections; cascaded delta-sigma ADCs; delta-sigma modulators; digital filtering; Adaptive algorithm; Analog circuits; Buildings; Capacitors; Delta modulation; Digital filters; Multi-stage noise shaping; Signal to noise ratio; Sun; Transfer functions;
fLanguage
English
Publisher
ieee
Conference_Titel
Circuits and Systems, 1998. ISCAS '98. Proceedings of the 1998 IEEE International Symposium on
Conference_Location
Monterey, CA
Print_ISBN
0-7803-4455-3
Type
conf
DOI
10.1109/ISCAS.1998.704459
Filename
704459
Link To Document