Development of a preamplifier and a wireless surface EMG

S. S. Lee, K. Y. Shin, Joung H. Mun

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

The primary objective of this study was to develop a preamplifier and a wireless surface EMG of a noninvasive type. The limitations of the existing system include its large size and the necessity of a wire. Therefore, this study focused on the development of a preamplifier which includes three electrodes and a wireless EMG. The EMG described herein is comprised of a preamplifier including an electrode for the measurement of the EMG signal, a main amplifier for signal processing, an A/D converter, and a Bluetooth module for wireless communication. The developed EMG utilized a UART (Universal Asynchronous serial Receiver and Transmitter) and Bluetooth protocols for communication. The sampling frequency of this system is 1,024 Hz. The developed EMG signal has relatively favorable characteristics as compared with current commercially available EMG systems. In our power spectral density analysis, the EMG signal was distributed between approximately 70 Hz and 200 Hz, and between approximately 10 Hz and about 50 Hz.

Original languageEnglish
Title of host publicationIFMBE Proceedings
EditorsSun I. Kim, Tae Suk Suh
PublisherSpringer Verlag
Pages2748-2751
Number of pages4
Edition1
ISBN (Print)9783540368397
DOIs
StatePublished - 2007
Event10th World Congress on Medical Physics and Biomedical Engineering, WC 2006 - Seoul, Korea, Republic of
Duration: 27 Aug 20061 Sep 2006

Publication series

NameIFMBE Proceedings
Number1
Volume14
ISSN (Print)1680-0737
ISSN (Electronic)1433-9277

Conference

Conference10th World Congress on Medical Physics and Biomedical Engineering, WC 2006
Country/TerritoryKorea, Republic of
CitySeoul
Period27/08/061/09/06

Keywords

  • Bluetooth module
  • Electrode
  • EMG
  • Noninvasive
  • Preamplifier
  • Wireless

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