A 10-b 15-MHz CMOS recycling two-step A/D converter. - Bang-Sup Song; Seung-Hoon Lee 005; Michael F. Tompsett (IEEE J. Solid State Circuits, 1990)

Code-error calibration techniques for two-step flash analog-to-digital converters - Seung-Hoon Lee 005 (1991)

Digital-domain calibration of multistep analog-to-digital converters. - Seung-Hoon Lee 005; Bang-Sup Song (IEEE J. Solid State Circuits, 1992)

Simplified Digital Calibration for Multi-stage Analog-to-digital Converters. - Seung-Hoon Lee 005; Bang-Sup Song (ISCAS, 1993)