Analysis and Design of the Classical CMOS Schmitt Trigger in Subthreshold Operation. - Luiz Alberto Pasini Melek; Anselmo Luis da Silva; Márcio Cherem Schneider; Carlos Galup-Montoro (IEEE Trans. Circuits Syst. I Regul. Pap., 2017)

Inadequacy of the classical formulation of the CMOS Schmitt trigger. - Anselmo Luis da Silva; Luiz Alberto Pasini Melek; Carlos Galup-Montoro; Márcio Cherem Schneider (Int. J. Circuit Theory Appl., 2021)