A bias technique for low-voltage class AB amplifiers is presented. The approach exploits the bulk terminal to set the output quiescent current of a two-stage class-AB CMOS OTA in a reliable manner and without reducing the maximum swing capability. Simulations on a designed example using a 0.25-μm CMOS process show the viability of the approach.
CMOS Miller OTA with body-biased output stage / Centurelli, F., A. D., G., S., P., Scotti, G., Trifiletti, A.. - (2007), pp. 539-542. (ECCTD European Conference on Circuit Theory and Design Sevilla (Spain) 26-30 August 2007) [10.1109/ECCTD.2007.4529652].
CMOS Miller OTA with body-biased output stage
CENTURELLI, Francesco;SCOTTI, Giuseppe;TRIFILETTI, Alessandro
2007
Abstract
A bias technique for low-voltage class AB amplifiers is presented. The approach exploits the bulk terminal to set the output quiescent current of a two-stage class-AB CMOS OTA in a reliable manner and without reducing the maximum swing capability. Simulations on a designed example using a 0.25-μm CMOS process show the viability of the approach.File allegati a questo prodotto
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