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Title:

Integrated multipurpose analog front-end for electrochemical ISFET sensors

Document type:
Magazinartikel
Author(s):
Markus Hefele, Ernst Müllner, Ralf Brederlow, Andreas Lösel, Sebastian Meier, Christian Pfeffer, Franz Kreupl, Bernhard Wolf
Abstract:
Ion-Sensitive-Field-Effect-Transistors (ISFETs) are an alternative to the common glass electrode for pH sensing. They promise higher integration, easier manufacturing and are interesting for biological, medical and environmental applications. However, they require a different and slightly more complex readout circuit. We propose a new circuit based on a standard mixed-signal-processor with minimal required external components. The operating point of the ISFET is set with a servo loop in software...     »
Journal title:
IEEE
Year:
2020
Year / month:
2020-01
Fulltext / DOI:
doi:10.1109/NEWCAS44328.2019.8961291
WWW:
https://ieeexplore.ieee.org/abstract/document/8961291
Date of publication:
22.01.2020
TUM Institution:
Hybride Elektronische Systeme
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