MSc W. Ngamkham

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

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