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, Francesco; A. D., Grasso; S., Pennisi; Scotti, Giuseppe; Trifiletti, Alessandro. - (2007), pp. 539-542. (Intervento presentato al convegno ECCTD European Conference on Circuit Theory and Design tenutosi a Sevilla (Spain) nel 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 | Dimensione | Formato | |
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