一种在恶劣环境下进行高分辨率采集的电容式传感器接口

2016 IEEE 7th Latin American Symposium on Circuits & Systems (LASCAS) Pub Date : 2016-02-01 DOI:10.1109/LASCAS.2016.7451036

D. Muratore, E. Bonizzoni, F. Maloberti, C. Fiocchi

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引用次数: 1

摘要

提出了一种在恶劣环境下对电磁干扰不敏感的电容式传感器接口结构。桥式结构，具有反馈控制和特殊的带通滤波器，克服了影响标准方法的问题。行为层面的模拟证明了12位分辨率的可行性。

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A capacitive sensor interface for high-resolution acquisitions in hostile environments

This paper presents a novel architecture for capacitive sensor interfaces that is insensitive to electro magnetic interferers in hostile environments. A bridge structure, with a feedback control and a special band-pass filter, overcomes the problems that affect the standard approaches. Behavioural level simulations demonstrate the feasibility of the idea for 12-bit resolution.

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2016 IEEE 7th Latin American Symposium on Circuits & Systems (LASCAS)

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