Title :
Influence of the feedback DAC delay on continuous-time bandpass ΣΔ coverter
Author :
Benabes, P. ; Aldebert, P. ; Yahia, A. ; Kielbasa, R.
Author_Institution :
Ecole Superieure d´´Electr., Gif-sur-Yvette, France
fDate :
2/17/2000 12:00:00 AM
Abstract :
An analysis of the effect of the feedback digital-to-analogue converter (DAC) delay on the synthesis results of continuous-time ΣΔ bandpass modulators is presented. It is shown that non-null values of the feedback DAC delay can be optimal with respect to the filter gain margin
Keywords :
continuous time systems; bandpass ΣΔ coverter; continuous-time ΣΔ coverter; digital-to-analogue converter delay; feedback DAC delay; filter gain margin;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20000246