A chip set for audio frequency digital signal processing. - Edward R. Caudel; Richard K. Hester; Khen-Sang Tan (ICASSP, 1982)

Fully differential ADC with rail-to-rail common-mode range and nonlinear capacitor compensation. - Richard K. Hester; Khen-Sang Tan; Michiel de Wit; John W. Fattaruso; Sami Kiriaki; James R. Hellums (IEEE J. Solid State Circuits, 1990)

The effect of dielectric relaxation on charge-redistribution A/D converters. - John W. Fattaruso; Michiel de Wit; Greg Warwar; Khen-Sang Tan; Richard K. Hester (IEEE J. Solid State Circuits, 1990)

Design considerations for high-frequency continuous-time filters and implementation of an antialiasing filter for digital video. - Venugopal Gopinathan; Yannis P. Tsividis; Khen-Sang Tan; Richard K. Hester (IEEE J. Solid State Circuits, 1990)

Error correction techniques for high-performance differential A/D converters. - Khen-Sang Tan; Sami Kiriaki; Michiel de Wit; John W. Fattaruso; Ching-Yuh Tsay; W. Edward Matthews; Richard K. Hester (IEEE J. Solid State Circuits, 1990)

A low-power 12-b analog-to-digital converter with on-chip precision trimming. - Michiel de Wit; Khen-Sang Tan; Richard K. Hester (IEEE J. Solid State Circuits, 1993)

A GaAs upconverter MMIC with an automatic gain control amplifier for 1.9 GHz PHS. - Huainan Ma; Sher Jiun Fang; Fujiang Lin; Khen-Sang Tan; Junichi Shibata; Atsushi Tamura; Hiroshi Nakamura (IEEE J. Solid State Circuits, 1998)