A novel A/D converter using resonant tunneling diodes. - Tai-Haur Kuo; Hung Chang Lin; Robert C. Potter; Dave Shupe (IEEE J. Solid State Circuits, 1991)

Multiple-Valued Counter. - Tai-Haur Kuo; Hung Chang Lin; Robert C. Potter; Dave Schupe (IEEE Trans. Computers, 1993)

A self-latching A/D converter using resonant tunneling diodes. - Sen Jung Wei; Hung Chang Lin; Robert C. Potter; Dave Shupe (IEEE J. Solid State Circuits, 1993)