A voltage-controllable linear MOS transconductor using bias offset technique. - Zhenhua Wang 010; Walter Guggenbuhl (IEEE J. Solid State Circuits, 1990)

A CMOS four-quadrant analog multiplier with single-ended voltage output and improved temperature performance. - Zhenhua Wang 010 (IEEE J. Solid State Circuits, 1991)

Automatic VT extractors based on an n*n2 MOS transistor array and their application. - Zhenhua Wang 010 (IEEE J. Solid State Circuits, 1992)