带有本体偏置输出级的CMOS米勒OTA

2007 18th European Conference on Circuit Theory and Design Pub Date : 2007-08-01 DOI:10.1109/ECCTD.2007.4529652

A. D. Grasso, S. Pennisi, F. Centurelli, G. Scotti, A. Trifiletti

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引用次数: 3

摘要

提出了一种低压AB类放大器的偏置技术。该方法利用bulk端子可靠地设置两级ab类CMOS OTA的输出静态电流，且不降低最大摆幅能力。在0.25 μ m CMOS工艺设计实例上的仿真表明了该方法的可行性。

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CMOS Miller OTA with body-biased output stage

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-mum CMOS process show the viability of the approach.

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2007 18th European Conference on Circuit Theory and Design

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