Department of Microelectronics
Faculty of Electrical Engineering, Mathematics, and Computer Science

MSc W. Ngamkham

PhD student
Bioelectronics (BE), Department of Microelectronics

PhD thesis (Dec 2015): Analog Integrated Circuit and System Design for a Compact, Low-Power Cochlear Implant
Promotor: Wouter Serdijn, Johan Frijns

Expertise: Low Power Analog Integrated Circuits for Cochlear Implants

Themes: Health and Wellbeing

Biography

Wannaya Ngamkham was born in Thailand, in 1972. She received the BSc and MSc in electrical engineering from Mahanakorn University of Technology, Bangkok, Thailand, in 1995 and 2001, respectively.

She is currently working towards the Ph.D. degree in the Section Bioelectronics of the Department of Microelectronics at the Faculty of Electrical Engineering, Mathematics, and Computer Science, Delft University of Technology. Her research interests include low power analog integrated circuits and system designs for totally implanted cochlear implants.

Projects history

ReaSONS 2 Demo: Realtime Sensing of Neural Signals Demonstrator

Demonstrator of recording tiny neural signals on top of the stimulus and artifact. NWO Demonstrator Grant.

  1. A 0.042 mm^2 programmable biphasic stimulator for cochlear implants suitable for a large number of channels
    W. Ngamkham; M.N. van Dongen; W.A. Serdijn; C.J. Bes; J.J. Briaire; J.H.M. Frijns;
    ArXiv.org,
    January 29 2015.
    document

  2. Analog Integrated Circuit and System Design for a Compact, Low-Power Cochlear Implant
    Wannaya Ngamkham;
    PhD thesis, Delft University of Technology, Section Bioelectronics, Dept. of Microelectronics, Faculty EEMCS, December 7 2015.
    document

  3. A 0.5-V, 2-nW, 55-dB DR, fourth-order bandpass filter using single branch biquads: an efficient design for FoM enhancement
    Chutham Sawigun; Wannaya Ngamkham; Wouter A. Serdijn;
    Microelectronics Journal,
    Volume 45, Issue 4, pp. 367?374, April 2014. ISSN 0026-2692.
    document
    http://dx.doi.org/10.1016/j.mejo.2014.01.002

  4. A charge balanced biphasic stimulator circuit for cochlear implants
    Wannaya Ngamkham; Marijn van Dongen; Wouter Serdijn;
    In Book of Abstracts, 4th Dutch Conference on Bio-Medical Engineering (BME),
    Egmond aan Zee, the Netherlands, Jan. 24-25 2013.

  5. An improved system approach towards future cochlear implants
    N.S. Lawand; W. Ngamkham; G. Nazarian; P.J. French; W.A. Serdijn; G.N. Gaydadjiev; J.J. Briaire; J.H.M. Frijns;
    In Proc. 35th Annual International Conference of the IEEE EMBS (EMBC),
    Osaka, Japan, IEEE, pp. 5163-5166, July 3-7 2013.
    document

  6. An improved system approach towards future cochlear implants
    N.S. Lawand; W. Ngamkham; G. Nazarian; P.J. French; W.A. Serdijn; G.N. Gaydadjiev; JJ. Briaire; J.H.M. Frijns;
    In IEEE EMBS,
    Osaka, Japan, IEEE, pp. 5163-5166, July 2013.

  7. Biphasic Stimulator Circuit for a Wide Range of Electrode-Tissue Impedance Dedicated to Cochlear Implants
    Wannaya Ngamkham; Marijn N. van Dongen; Wouter A. Serdijn;
    In Proc. International Symposium on Circuits and Systems (ISCAS),
    Seoul, South Korea, IEEE, pp. 1083-1086, May 20-23 2012.
    document

  8. A 2.6nW, 0.5V, 52dB-DR, 4th-order Gm-C BPF: Moving Closer to the FoM?s Fundamental Limit
    Chutham Sawigun; Wannaya Ngamkham; Wouter A. Serdijn;
    In Proc. International Symposium on Circuits and Systems (ISCAS),
    Seoul, South Korea, IEEE, pp. 656-659, May 20-23 2012.
    document

  9. An Implementation of Least-Voltage Drop Stimulator Circuit for Cochlear Implants
    Wannaya Ngamkham; Marijn van Dongen; Wouter A. Serdijn;
    In Book of Abstracts, ICT.Open,
    Rotterdam, the Netherlands, Oct. 22-23 2012.
    document

  10. The design of an ultra low-power analog bionic ear
    Wannaya Ngamkham; Chutham Sawigun; Wouter A. Serdijn;
    In Book of Abstracts, 3rd Dutch Conference on Bio-Medical Engineering (BME),
    Egmond aan Zee, the Netherlands, Jan. 20-21 2011. invited presentation.

  11. An Ultra Low-Power Peak-Instant Detector for a Peak Picking Cochlear Implant Processor
    Chutham Sawigun; Wannaya Ngamkham; Wouter A. Serdijn;
    In Proc. Biomedical Circuits and Systems Symposium (BioCAS),
    Paphos, Cyprus, IEEE, Nov. 3-5 2010.
    document

  12. Comparison of speech processing strategies for the design of an ultra low-power analog bionic ear
    C. Sawigun; W. Ngamkham; W.A. Serdijn;
    In Proc. Engineering in Medicine and Biology Conference (EMBC),
    Buenos Aires, Argentina, IEEE, pp. 1374-1377, Aug. 31-Sept. 4 2010.
    document

  13. Analog Complex Gammatone Filter for Cochlear Implant Channels
    Wannaya Ngamkham; Chutham Sawigun; Senad Hiseni; Wouter A. Serdijn;
    In Proc. International Symposium on Circuits and Systems (ISCAS),
    Paris, France, IEEE, May 31-June 2 2010.
    document

  14. A Least-Voltage Drop High Output Resistance Current Source for Neural Stimulation
    Chutham Sawigun; Wannaya Ngamkham; Marijn van Dongen; Wouter A. Serdijn;
    In Proc. Biomedical Circuits and Systems Symposium (BioCAS),
    Paphos, Cyprus, IEEE, Nov. 3-5 2010.
    document

  15. A Compact, Nano-Power CMOS Action Potential Detector
    Senad Hiseni; Chutham Sawigun; Wannaya Ngamkham; Wouter A. Serdijn;
    In Proc. Biomedical Circuits and Systems Conference (BioCAS),
    Beijing, China, IEEE, Nov. 26-28 2009.
    document

BibTeX support

Last updated: 16 Apr 2016

Wannaya Ngamkham

Alumnus