A transconductance driven-right-leg circuit

@article{Spinelli1999ATD,
  title={A transconductance driven-right-leg circuit},
  author={E M Spinelli and N. Martinez and M. Mayosky},
  journal={IEEE Transactions on Biomedical Engineering},
  year={1999},
  volume={46},
  pages={1466-1470}
}
Biopotential measurements are very sensitive to electromagnetic interference (EMI). EMI gets into the acquisition system by many ways, both as differential and common mode signals, driven-right-leg circuits (DRL) are widely used to reduce common mode interference. This paper reports an improvement on the classic DRL. The proposed circuit uses a transconductance amplifier to drive the patient's body. This configuration has some interesting properties, which provide an extended bandwidth for high… CONTINUE READING

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