Title :
New wideband sigma-delta convertor
Author :
Benabes, Philippe ; Gauthier, Alain ; Billet, D.
Author_Institution :
Ecole Superieure d´Electr., Gif sur Yvette, France
Abstract :
A new kind of sigma-delta modulator made with a double integrator and a bandpass stage is presented. It can reduce the oversampling ratio or increase the bandwidth for a constant sampling frequency compared with equivalent complexity modulators.<>
Keywords :
analogue-digital conversion; delta modulation; modulators; ADC; bandpass stage; bandwidth; constant sampling frequency; double integrator; modulator; oversampling ratio; wideband sigma-delta convertor;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19931050
