1. Practical Design Techniques for Sensor Signal Conditioning,1999
2. Overview of Sensor Signal Paths,2010
3. Analog Front-End Design for ECG Systems Using Delta-Sigma ADCs, Application Report,2010
4. Sigma-delta modulators: tutorial overview, design guide, and state-of-the-art survey;de la Rosa;IEEE Trans. Circuits Syst. I, Reg. Pap.,2011
5. Understanding Delta-Sigma Data Converters;Pavan,2017