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Optically isolated current source Cover

Optically isolated current source

Journal of Electrical Bioimpedance
Volume 6 (2015): Issue 1 (January 2015)
By: F. J. Pettersen and  J. O. Høgetveit  
Open Access
|Dec 2015

Figures & Tables

Fig. 1

The optocoupler.
The optocoupler.

Fig. 2

The isolated H-bridge. The outputs A and B of the opamp-circuit at the bottom are the same nodes as A and B on the U2x opamp inputs.
The isolated H-bridge. The outputs A and B of the opamp-circuit at the bottom are the same nodes as A and B on the U2x opamp inputs.

Fig. 3

Output impedance (Ω) versus frequency (Hz).
Output impedance (Ω) versus frequency (Hz).

Measured and simulated bandwidths, unit for all parameters is MHz_

OpampOpamp GBWSim. or Meas.BW
TLC2741.7Measured0.68
TLC2741.7Simulated1.28
TS9244Measured1.35
TS 9244Simulated2.42
LT121428Simulated6.90
DOI: https://doi.org/10.5617/jeb.2571 | Journal eISSN: 1891-5469
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Language: English
Page range: 18 - 21
Submitted on: Dec 1, 2015
Published on: Dec 11, 2015
Published by: University of Oslo
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year
Keywords:
Current source,
isolation,
optocoupler
Related subjects:
Engineering,
Bioengineering and biomedical engineering,
Biomedical electronics,
Life sciences,
Biophysics,
Medicine,
Biomedical engineering,
Physics,
Spectroscopy and metrology

© 2015 F. J. Pettersen, J. O. Høgetveit, published by University of Oslo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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