Title :
Oversampled gain-boosting
Author_Institution :
Commun. Res. Lab., Motorola Labs., Schaumburg, IL, USA
Abstract :
A dynamic gain-enhancement technique suitable for low-voltage low-power oversampling circuits, particularly sigma-delta converters, is presented. This method makes use of a discrete-time integrator to improve gradually the output resistance of the main amplifier over successive clocks.
Keywords :
bootstrap circuits; integrating circuits; low-power electronics; operational amplifiers; sigma-delta modulation; switched capacitor networks; MOS amplifier; discrete-time integrator; dynamic gain-enhancement technique; low-voltage low-power oversampling circuits; output resistance; oversampled active bootstrapping; oversampled gain-boosting; sigma-delta converters; switched-capacitor circuits; Boosting; Circuit synthesis; Clocks; Delta-sigma modulation; Feedback loop; Frequency; Hardware; Permission; Switching circuits; Voltage;
Conference_Titel :
Low Power Electronics and Design, 2002. ISLPED '02. Proceedings of the 2002 International Symposium on
Print_ISBN :
1-5811-3475-4
DOI :
10.1109/LPE.2002.146742
