DocumentCode
2229477
Title
Analytic limitations on sigma-delta modulator performance
Author
Harrison, J. ; Weste, N.
Author_Institution
Dept. of Electron., Macquarie Univ., Marsfield, NSW, Australia
Volume
3
fYear
2000
fDate
28-31 May 2000
Firstpage
746
Abstract
Analytic limitations on the noise transfer function of sigma-delta modulators are derived. The noise transfer function magnitude in decibels integrated against frequency sums to at least zero. An excess delay of one sample in the modulator feedback loop is found to be detrimental for lowpass modulators.
Keywords
circuit feedback; delays; sigma-delta modulation; transfer functions; excess delay; lowpass modulators; modulator feedback loop; noise transfer function; sigma-delta modulator; transfer function magnitude; Delay; Delta-sigma modulation; Feedback loop; Frequency; Modulation coding; Noise figure; Noise shaping; Performance analysis; Quantization; Transfer functions;
fLanguage
English
Publisher
ieee
Conference_Titel
Circuits and Systems, 2000. Proceedings. ISCAS 2000 Geneva. The 2000 IEEE International Symposium on
Conference_Location
Geneva, Switzerland
Print_ISBN
0-7803-5482-6
Type
conf
DOI
10.1109/ISCAS.2000.856168
Filename
856168
Link To Document