Table of Contents Author Guidelines Submit a Manuscript
Journal of Sensors
Volume 2016, Article ID 5358963, 7 pages
http://dx.doi.org/10.1155/2016/5358963
Research Article

A Novel Differential Log-Companding Amplifier for Biosignal Sensing

1Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, 1068 Xueyuan Road, Xili, Nanshan, Shenzhen, Guangdong 518055, China
2Key Laboratory for Health Informatics of the Chinese Academy of Sciences (HICAS), 1068 Xueyuan Road, Xili, Nanshan, Shenzhen, Guangdong 518055, China
3Department of Electronic Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong

Received 23 May 2016; Accepted 31 July 2016

Academic Editor: Stephane Evoy

Copyright © 2016 Zigang Dong et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. Y. Tsividis, “Externally linear, time-invariant systems and their application to companding signal processors,” IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing, vol. 44, no. 2, pp. 65–85, 1997. View at Publisher · View at Google Scholar · View at Scopus
  2. R. W. Adams, “Filtering in the log domain,” in Proceedings of the 63rd AES Conference, New York, NY, USA, May 1979.
  3. F. Serra-Graells and J. L. Huertas, “Low-voltage CMOS subthreshold log-domain filtering,” IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 52, no. 10, pp. 2090–2100, 2005. View at Publisher · View at Google Scholar · View at Scopus
  4. K. Opasjumruskit and A. W. E. Leelarasamee, A Design of CMOS Class-AB Differential Log-Companding Amplifier, 2007.
  5. A. Gerosa, A. Maniero, and A. Neviani, “A fully integrated dual-channel log-domain programmable preamplifier and filter for an implantable cardiac pacemaker,” IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 51, no. 10, pp. 1916–1925, 2004. View at Publisher · View at Google Scholar · View at Scopus
  6. M. A. Shaheen, A. A. Hamoui, and Y. Savaria, “A current-output DAC for low-power low-noise log-domain ΔΣ modulators,” in Proceedings of the IEEE 12th International New Circuits and Systems Conference (NEWCAS '14), pp. 281–284, Trois-Rivieres, Canada, June 2014.
  7. R. Groza and M. Cirlugea, “Current-mode log-domain programmable gain amplifier,” in Proceedings of the 2014 19th IEEE International Conference on Automation, Quality and Testing, Robotics (AQTR '14), pp. 1–4, Cluj-Napoca, Romania, May 2014. View at Publisher · View at Google Scholar · View at Scopus
  8. F. Serra-Graells, J. L. Huertas, and A. Rueda, Low-Voltage CMOS Log Companding Analog Design, Kluwer Academic, New York, NY, USA, 2003.
  9. C. C. Enz, F. Krummenacher, and E. A. Vittoz, “An analytical MOS transistor model valid in all regions of operation and dedicated to low-voltage and low-current applications,” Analog Integrated Circuits and Signal Processing, vol. 8, no. 1, pp. 83–114, 1995. View at Publisher · View at Google Scholar · View at Scopus
  10. G. Yang, R. F. Lyon, and E. M. Drakakis, “A 6 μ W per channel analog biomimetic cochlear implant processor filterbank architecture with across channels AGC,” IEEE Transactions on Biomedical Circuits and Systems, vol. 9, no. 1, pp. 72–86, 2015. View at Publisher · View at Google Scholar · View at Scopus
  11. C.-Y. Wu, W.-M. Chen, and L.-T. Kuo, “A CMOS power-efficient low-noise current-mode front-end amplifier for neural signal recording,” IEEE Transactions on Biomedical Circuits and Systems, vol. 7, no. 2, pp. 107–114, 2013. View at Publisher · View at Google Scholar · View at Scopus