探索电容反馈跨阻放大器的分析边界

2021 28th IEEE International Conference on Electronics, Circuits, and Systems (ICECS) Pub Date : 2021-11-28 DOI:10.1109/icecs53924.2021.9665553

Quentin Schmidt, A. Morel, Yasser Moursy, Houssein Elmi Dawale, G. Billiot, F. Badets

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引用次数: 1

摘要

在分析电容反馈跨阻放大器系统的寄生性和非理想性的基础上，提出了一种综合的电容反馈跨阻放大器模型。所提出的模型与电路仿真很好地吻合(增益误差小于2%，大参数组带宽误差小于18%)，并允许计算电容拓扑的分析边界。最后，对电容和电阻拓扑在性能方面进行了比较评估，并强调了电容反馈跨阻放大器的突出性能。

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Exploring the analytical boundaries of capacitive feedback transimpedance amplifiers

This paper proposes a comprehensive model of capacitive feedback transimpedance amplifiers, based on an analysis of the parasitics and non-idealities of the system. The proposed model is in good agreement with circuit simulations (less than 2% error on the gain and 18% on the bandwidth for large set of parameters), and allows to compute the analytical boundaries of the capacitive topology. Finally, a comparative assessment between capacitive and resistive topologies in terms of performance is proposed and highlights the salient performances of capacitive feedback transimpedance amplifiers.

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来源期刊

2021 28th IEEE International Conference on Electronics, Circuits, and Systems (ICECS)

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