A polymer-based gas sensor array and its adaptive interface circuit

Ching Yi Wu; Kea Tiong Tang

doi:10.1109/VDAT.2010.5496761

A polymer-based gas sensor array and its adaptive interface circuit

Ching Yi Wu^*, Kea Tiong Tang

^*Corresponding author for this work

National Tsing Hua University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

7 Scopus citations

Abstract

This paper focuses on an adaptive interface circuit for polymer-based gas sensors. The sensors use polymer-carbon black composites, which swell reversibly and create resistance change upon exposure to chemical vapors. The initial resistances of sensors are influenced by temperature or humidity. Therefore, an adaptive interface circuit is proposed to cancel baseline signals. The circuit is implemented in a TSMC 0.18um CMOS process and dissipates 49.4uW and operates in 1V. The range of adaptive sensor resistance is 15kΩ to a few MΩ. If the adaptive sensor resistance is set under 110kΩ, the power consumption will allow a portable and lasting electronic nose system.

Original language	English
Title of host publication	Proceedings of 2010 International Symposium on VLSI Design, Automation and Test, VLSI-DAT 2010
Pages	355-358
Number of pages	4
DOIs	https://doi.org/10.1109/VDAT.2010.5496761
State	Published - 2010
Externally published	Yes
Event	2010 International Symposium on VLSI Design, Automation and Test, VLSI-DAT 2010 - Hsin Chu, Taiwan Duration: 26 04 2010 → 29 04 2010

Publication series

Name	Proceedings of 2010 International Symposium on VLSI Design, Automation and Test, VLSI-DAT 2010

Conference

Conference	2010 International Symposium on VLSI Design, Automation and Test, VLSI-DAT 2010
Country/Territory	Taiwan
City	Hsin Chu
Period	26/04/10 → 29/04/10

Access to Document

10.1109/VDAT.2010.5496761

Cite this

Wu, C. Y., & Tang, K. T. (2010). A polymer-based gas sensor array and its adaptive interface circuit. In Proceedings of 2010 International Symposium on VLSI Design, Automation and Test, VLSI-DAT 2010 (pp. 355-358). Article 5496761 (Proceedings of 2010 International Symposium on VLSI Design, Automation and Test, VLSI-DAT 2010). https://doi.org/10.1109/VDAT.2010.5496761

@inproceedings{0871b9152a3c44f188182d551cc5eb56,

title = "A polymer-based gas sensor array and its adaptive interface circuit",

abstract = "This paper focuses on an adaptive interface circuit for polymer-based gas sensors. The sensors use polymer-carbon black composites, which swell reversibly and create resistance change upon exposure to chemical vapors. The initial resistances of sensors are influenced by temperature or humidity. Therefore, an adaptive interface circuit is proposed to cancel baseline signals. The circuit is implemented in a TSMC 0.18um CMOS process and dissipates 49.4uW and operates in 1V. The range of adaptive sensor resistance is 15kΩ to a few MΩ. If the adaptive sensor resistance is set under 110kΩ, the power consumption will allow a portable and lasting electronic nose system.",

author = "Wu, {Ching Yi} and Tang, {Kea Tiong}",

year = "2010",

doi = "10.1109/VDAT.2010.5496761",

language = "英语",

isbn = "9781424452712",

series = "Proceedings of 2010 International Symposium on VLSI Design, Automation and Test, VLSI-DAT 2010",

pages = "355--358",

booktitle = "Proceedings of 2010 International Symposium on VLSI Design, Automation and Test, VLSI-DAT 2010",

note = "2010 International Symposium on VLSI Design, Automation and Test, VLSI-DAT 2010 ; Conference date: 26-04-2010 Through 29-04-2010",

}

Wu, CY & Tang, KT 2010, A polymer-based gas sensor array and its adaptive interface circuit. in Proceedings of 2010 International Symposium on VLSI Design, Automation and Test, VLSI-DAT 2010., 5496761, Proceedings of 2010 International Symposium on VLSI Design, Automation and Test, VLSI-DAT 2010, pp. 355-358, 2010 International Symposium on VLSI Design, Automation and Test, VLSI-DAT 2010, Hsin Chu, Taiwan, 26/04/10. https://doi.org/10.1109/VDAT.2010.5496761

A polymer-based gas sensor array and its adaptive interface circuit. / Wu, Ching Yi; Tang, Kea Tiong.
Proceedings of 2010 International Symposium on VLSI Design, Automation and Test, VLSI-DAT 2010. 2010. p. 355-358 5496761 (Proceedings of 2010 International Symposium on VLSI Design, Automation and Test, VLSI-DAT 2010).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AB - This paper focuses on an adaptive interface circuit for polymer-based gas sensors. The sensors use polymer-carbon black composites, which swell reversibly and create resistance change upon exposure to chemical vapors. The initial resistances of sensors are influenced by temperature or humidity. Therefore, an adaptive interface circuit is proposed to cancel baseline signals. The circuit is implemented in a TSMC 0.18um CMOS process and dissipates 49.4uW and operates in 1V. The range of adaptive sensor resistance is 15kΩ to a few MΩ. If the adaptive sensor resistance is set under 110kΩ, the power consumption will allow a portable and lasting electronic nose system.

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A polymer-based gas sensor array and its adaptive interface circuit

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