@article{P111.106,
author={De Vuyst, Bart and Rombouts, Pieter},
title={A 5-MHz 11-Bit Self-Oscillating sigma delta modulator with a delay-based phase shifter in 0.025 mm(2)},
journal={IEEE JOURNAL OF SOLID-STATE CIRCUITS},
year={2011},
volume={46},
number={8},
pages={1919-1927},
}