Bioimpedance measurement device based on an active terminated current source and a four-point measurement technique

In this paper, a low-cost fully compact differential bioimpedance-monitoring front-end based on a precision Voltage-Controlled-Current-Source (VCCS) coupled with high input impedance differential voltage measurement is depicted. This system uses a high input-impedance discrete differential amplifier...

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Bibliographic Details
Published in:Measurement : journal of the International Measurement Confederation 2024-08, Vol.236, p.115108, Article 115108
Main Authors: Roy, J., Poulichet, P., Rousseau, L., Rezgui, A., Français, O.
Format: Article
Language:English
Subjects:
4-Wire Measurements
Bio-impedance
Embedded Systems
Voltage-Controlled-Current-Source (VCCS)
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Summary:In this paper, a low-cost fully compact differential bioimpedance-monitoring front-end based on a precision Voltage-Controlled-Current-Source (VCCS) coupled with high input impedance differential voltage measurement is depicted. This system uses a high input-impedance discrete differential amplifier to allow integrated voltage measurement for 2 or 4 wires measurement methods. The low cost aspect of the devices, its reduced size (portable) and its reconfigurability allow for a wide prospect of applications in environment monitoring or biomedical embedded devices.
ISSN:0263-2241
1873-412X
DOI:10.1016/j.measurement.2024.115108