Title :
Noise-coupled continuous-time delta-sigma ADCs
Author :
Wang, Yannan ; Temes, Gabor C.
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Kelley Eng. Center, Oregon State Univ., Corvallis, OR
Abstract :
The noise-coupling technique successfully used in discrete-time delta-sigma analogue-to-digital converters (ADCs) is extended to the realisation of continuous-time delta-sigma ADCs, resulting in improved quantisation noise shaping. To verify the proposed design methodology, a second-order continuous-time delta-sigma modulator with noise coupling is designed and simulated.
Keywords :
delta-sigma modulation; quantisation (signal); continuous-time delta-sigma ADC; continuous-time delta-sigma modulator; discrete-time delta-sigma analogue-to-digital converters; noise-coupling technique; quantisation noise shaping;
Journal_Title :
Electronics Letters
DOI :
10.1049/el.2009.0077
