Title :
Charge-compensated correlated level shifting for single-stage opamps
Author :
Abdelhamid, M.R. ; Hussien, F.A. ; Aboudina, M.M.
Author_Institution :
Dept. of Electron. & Electr. Commun. Eng., Cairo Univ., Cairo, Egypt
Abstract :
High-precision analogue circuits suffer from the finite gain and non-linearity of operational amplifiers (opamps). Correlated level shifting is one efficient technique that provides gain and swing enhancement for switched-capacitor circuits. Charge-compensated correlated level shifting is proposed, a modification for the correlated level shifting technique, that improves the efficiency of gain enhancement for single-stage opamps.
Keywords :
analogue circuits; charge compensation; operational amplifiers; switched capacitor networks; charge-compensated correlated level shifting; gain enhancement; high-precision analogue circuits; operational amplifiers; single-stage opamps; swing enhancement; switched-capacitor circuits;
Journal_Title :
Electronics Letters
DOI :
10.1049/el.2015.0614
