A CMOS infrared wireless optical receiver front-end with a variable-gain fully-differential transimpedance amplifier. - Roger Y. Chen; Tsung-Shuen Hung; Chih-Yuan Hung (IEEE Trans. Consumer Electron., 2005)

A CMOS Variable-gain Fully-differential Transimpedance Amplifier for Multimedia Data Links. - Roger Y. Chen; Ming-Jen Chang (IIH-MSP, 2009)