Implementation of Broad band and Zero Distortion CMOS Current Driver Circuit For Bio-medical Applications

Authors(4) :-S. MD. Imran Ali, Syed Noorullah, P. Anusha, U Gayathri

Multi frequency Electrical Bio-impedance has been widely used as noninvasive technique for characterizing tissue. Most systems use wide band current sources for injecting current and instrumentation amplifiers for measuring resultant potential difference. Tissue electrical properties exhibit frequency characteristics over a broad bandwidth (typically 100Hz to 100MHz).Such applications require wide band accurate ac current drivers with low distortion and high output impedance. An integrated current driver is presented that fulfils the requirement of maximum output current of 888╬╝Ap-p, and at 100MHz the measured total harmonic distortion is below 0.01%.For accurate setting of output current amplitude into load current driver uses negative feedback. Active electrodes applications makes use of current driver circuit.

Authors and Affiliations

S. MD. Imran Ali
Department of Electronics and Communication Engineering, Brindavan Institute of Technology and Science, Kurnool, Andhra Pradesh, India
Syed Noorullah
Department of Electronics and Communication Engineering, Safa College of Engineering & Technology, Kurnool, Andhra Pradesh, India
P. Anusha
Department of Electronics and Communication Engineering, Brindavan Institute of Technology and Science, Kurnool, Andhra Pradesh, India
U Gayathri
Department of Electronics and Communication Engineering, Brindavan Institute of Technology and Science, Kurnool, Andhra Pradesh, India

Active electrodes, Bio-impedance, current driver, low distortion, Tissue impedance

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Publication Details

Published in : Volume 2 | Issue 2 | March-April 2016
Date of Publication : 2017-12-31
License:  This work is licensed under a Creative Commons Attribution 4.0 International License.
Page(s) : 278-282
Manuscript Number : IJSRSET162287
Publisher : Technoscience Academy

Print ISSN : 2395-1990, Online ISSN : 2394-4099

Cite This Article :

S. MD. Imran Ali, Syed Noorullah, P. Anusha, U Gayathri, " Implementation of Broad band and Zero Distortion CMOS Current Driver Circuit For Bio-medical Applications, International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 2, Issue 2, pp.278-282, March-April-2016.
Journal URL : http://ijsrset.com/IJSRSET162287

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