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Design of an integrated potentiostat circuit for CMOS bio sensor chips

  • Alexander Frey
  • , Martin Jenkner
  • , Meinrad Schienle
  • , Christian Paulus
  • , Birgit Holzapfl
  • , Petra Schindler-Bauer
  • , Franz Hofmann
  • , Dirk Kuhlmeier
  • , Jürgen Krause
  • , Jörg Albers
  • , Walter Gumbrecht
  • , Doris Schmitt-Landsiedel
  • , Roland Thewes
  • Infineon Technologies AG
  • November AG
  • Siemens AG

Research output: Contribution to journalConference articlepeer-review

40 Scopus citations

Abstract

A design strategy is presented for potentiostat circuits suitable for electronic bio sensors on CMOS. Guidelines are given to guarantee stable operation under the condition of widely varying and only roughly known electrochemical parameters. A concrete design example used in a fully electronic DNA sensor array CMOS chip is shown. Measurement results with a biological analyte applied to that chip prove proper operation of the potentiostat.

Original languageEnglish
Pages (from-to)V9-V12
JournalProceedings - IEEE International Symposium on Circuits and Systems
Volume5
StatePublished - 2003
EventProceedings of the 2003 IEEE International Symposium on Circuits and Systems - Bangkok, Thailand
Duration: 25 May 200328 May 2003

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