Variable gain CMOS potentiostat for dissolved oxygen sensor

  title={Variable gain CMOS potentiostat for dissolved oxygen sensor},
  author={M. Y. M. Ng and Yuzman Yusoff},
  journal={2nd Asia Symposium on Quality Electronic Design (ASQED)},
This paper presents a variable gain potetiostat designed for the electrochemical control of Dissolved Oxygen (DO) sensors. The design is targeted for implementation using MIMOS 0.35um CMOS process technology at 3.3V. The potentiostat amplifier for dissolved oxygen utilizes three electrodes (working, reference and counter) which work together to form the electrochemical reaction. There are several types of DO sensor available including membrane-based, also known as Clark electrode, and… CONTINUE READING


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