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

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

Conference Paper (2016)

Author(s)

Dante Gabriel Muratore (Università di Pavia)

Edoardo Bonizzoni (Università di Pavia)

Franco Maloberti (Università di Pavia)

Carlo Fiocchi (AMS Italy)

Capacitive Sensor ADC EMI-Free Acquisition N-Path Filter

DOI related publication

https://doi.org/10.1109/LASCAS.2016.7451036 Final published version

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https://resolver.tudelft.nl/uuid:4bb86b5c-2df1-4c70-b72e-b82ac8bd1644

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Publication Year

2016

Language

English

Article number

7451036

Pages (from-to)

167-170

ISBN (electronic)

9781467378352

Event

Downloads counter

142

Abstract

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.