A 10-bit 50 MS/s Pipelined ADC With Capacitor-Sharing and Variable-gm Opamp. - Byung-Geun Lee; Robin M. Tsang (IEEE J. Solid State Circuits, 2009)

A Mixed Signal (Analog-Digital) Integrator Design. - Michael D. Bryant; Shouli Yan; Robin M. Tsang; Benito Fernandez; K. Kiran Kumar (IEEE Trans. Circuits Syst. I Regul. Pap., 2012)