Reconfigurable integrated wide-dynamic-range read-out circuit for MOX gas-sensor grids providing local temperature regulation

Conso, F.; Grassi, M.; Malcovati, P.; Basçhirotto, A.

doi:10.1109/icsens.2012.6411195

Cited by 9 publications

(4 citation statements)

References 7 publications

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“…To ensure the correctness of the proposed architecture the R-to-I conversion circuit presented in [7], [8] were designed. Such architectures are used for gas sensing systems in environmental monitoring where the minimum input resistance value was 1kΩ.…”

Section: Simulatuin Resultsmentioning

confidence: 99%

“…Wider resistance range results in detecting more VOCs, thus, identifying more diseases [5]. The proposed interface takes advantage from the enhanced oscillator approach resistance to time conversion architecture used for environmental monitoring proposed in [7] and [8]. In order to ensure the correctness of the proposed architecture, the R-to-I conversion circuits in [7], [8] and [9] for gas sensing in environmental monitoring, were designed.…”

Section: E-nose System Verses Human Smelling Systemmentioning

confidence: 99%

“…The proposed interface takes advantage from the enhanced oscillator approach resistance to time conversion architecture used for environmental monitoring proposed in [7] and [8]. In order to ensure the correctness of the proposed architecture, the R-to-I conversion circuits in [7], [8] and [9] for gas sensing in environmental monitoring, were designed. The proposed R-to-I conversion circuit achieved a maximum percentage error of 0.05%.…”

Section: E-nose System Verses Human Smelling Systemmentioning

confidence: 99%

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Design and Reliability Analysis of Differential Resistance to Current Conversion Circuit for Biomedical Application of Gas Sensing

Hijazi¹,

Caviglia²,

Chiblé³

et al. 2017

IJCATR

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Gas sensing in biomedical applications shows a conversion of the concentration of the exhaled gas to a variation in resistance, so an electronic integrated interface circuit is required to analyse the exhaled gases, which are indications for many diseases. In this paper, a resistance to current conversion circuit based on differential biasing for Electronic nose (E-nose) breath analyser is presented. Over more than 5-decades (500Ω to 100MΩ) input resistance range, a precision, less than 1%, required by novel gas sensing system in portable applications, is preserved. Therefore, the proposed circuit obtains high accuracy under simulation. The outputs of the proposed Resistance to Current (R-to-I) conversion circuit achieve a percentage error below 0.25% under environment corners. The reliability of the proposed circuit is also investigated under the effect of process variations. In order to assess the correctness of the proposed architecture, the circuit was compared to similar solutions presented in literature where the proposed architecture attains a worst-case percentage error of 0.05%.

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Section: Simulatuin Resultsmentioning

confidence: 99%

Section: E-nose System Verses Human Smelling Systemmentioning

confidence: 99%

Section: E-nose System Verses Human Smelling Systemmentioning

confidence: 99%

See 1 more Smart Citation

Design and Reliability Analysis of Differential Resistance to Current Conversion Circuit for Biomedical Application of Gas Sensing

Hijazi¹,

Caviglia²,

Chiblé³

et al. 2017

IJCATR

View full text Add to dashboard Cite

show abstract

“…The voltage across the resistor Rsens will be fixed to the voltage difference across Rsens that is equal to Vref-Vss in case of Fig.1.a [1], [2]. On the other hand, the voltage across the resistor can be bounded between two voltage references V1 and V2 like in the case of Fig.1.b [3], [4]. The resulted voltage across the Rsens in this case is V1-V2.…”

Section: Introductionmentioning

confidence: 99%

Design of Operational Transconductance Amplifiers for voltage to current conversion in gas sensing applications

Hijazi

Caviglia

Chiblé

et al. 2016

2016 AEIT International Annual Conference (AEIT)

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This paper presents a study of Operational Transconductance Amplifiers (OTAs) for voltage to current conversion circuits. The paper includes a comparative analysis of three OTA architectures implemented in 0.35µm CMOS AMS Technology under ± 1.65V power supply voltage. The impact of the OTA topology has been investigated by simulation. The designed OTAs managed to deliver large current values of 10mA and 1mA to the load with a worst-case error of 0.02% under worstcase power supply and temperature conditions and a worst percentage error of 0.12% under process variation for both Miller Compensated and Capacitor Multiplier Compensated OTA.

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Metal Oxide Gas Sensor Electronic Interfaces

Hijazi

Caviglia

Valle

2020

Smart Sensors for Environmental and Medical Applications

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Reconfigurable integrated wide-dynamic-range read-out circuit for MOX gas-sensor grids providing local temperature regulation

Cited by 9 publications

References 7 publications

Design and Reliability Analysis of Differential Resistance to Current Conversion Circuit for Biomedical Application of Gas Sensing

Design and Reliability Analysis of Differential Resistance to Current Conversion Circuit for Biomedical Application of Gas Sensing

Design of Operational Transconductance Amplifiers for voltage to current conversion in gas sensing applications

Metal Oxide Gas Sensor Electronic Interfaces

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