On reducing leakage quantization noise of multistage Sigma-Delta modulator using nonlinear oscillation. - Teng-Hung Chang; Lan-Rong Dung; Jwin-Yen Guo (ISCAS (3), 2005)

A 2.5-V 14-bit, 180-mW Cascaded ΣΔ ADC for ADSL2+ Application. - Teng-Hung Chang; Lan-Rong Dung; Jwin-Yen Guo; Kai-Jiun Yang (IEEE J. Solid State Circuits, 2007)