A 0.9-V Analog-to-Digital Acquisition Channel for an IoT Water Management Sensor Node.

Hugo Serra,Ivan Bastos,João L. A. de Melo,João P. Oliveira,Nuno Paulino,Elyes Nefzaoui,Tarik Bourouina

IEEE Transactions on Circuits and Systems II: Express Briefs（2019）

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摘要

This brief presents an analog front-end (AFE) specially developed for a water conductivity measurement system for water network management applications. Water conductivity is one of the best ways to detect a problem with the water in the network. In order to trigger an alarm it is only required to detect a 10 % variation, which allows to simplify the system design. The proposed sensor uses four pl...

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关键词

Electrodes,Conductivity,Impedance,Capacitors,Analog-digital conversion,Voltage measurement,Conductivity measurement

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