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2024 | OriginalPaper | Buchkapitel

A Signal Conditioning Circuit with Integrated Bandgap Reference for Glucose Concentration Measurement

verfasst von : Riyaz Ahmad, Amit Mahesh Joshi, Dharmendar Boolchandani

Erschienen in: Internet of Things. Advances in Information and Communication Technology

Verlag: Springer Nature Switzerland

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Abstract

The paper presents development of signal conditioning circuit with integrated potentiostat for glucose measurement. The programmable transimpedance amplifier (PTIA) offers 94% linearity of output voltage. The whole architecture consumes 2.33 mW of total power. The reference potential of 0.6 V has been used for measurements. Three electrode arrangement with Ag/AgCl as reference electrode, the Pt foil as the counter electrode and a CuO/Cu0.76CO2.25O4 (copper cobaltite) coated glassy carbon electrode (GCE) filled-in used as the working electrode. The working feasibility of proposed glucose sensing architecture is tested via an emulated circuit. The second-generation current conveyor (CCII-) is implemented with the help of two AD844 ICs. The two TAs are implemented by using IC LM13700 and I-V conversion is obtained with op-amp IC LM741 and feedback resistance. The voltage ranges from 1.19 to 1.67 V has been measured corresponding to glucose concentration ranges from 18 mg/dl to 180 mg/dl.

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Metadaten
Titel
A Signal Conditioning Circuit with Integrated Bandgap Reference for Glucose Concentration Measurement
verfasst von
Riyaz Ahmad
Amit Mahesh Joshi
Dharmendar Boolchandani
Copyright-Jahr
2024
DOI
https://doi.org/10.1007/978-3-031-45882-8_28