4-Channel asynchronous bio-potential recording system

@article{Tang20104ChannelAB,
  title={4-Channel asynchronous bio-potential recording system},
  author={Wei Tang and Chenxi Huang and Dongsoo Kim and Berin Martini and Eugenio Culurciello},
  journal={Proceedings of 2010 IEEE International Symposium on Circuits and Systems},
  year={2010},
  pages={953-956}
}
We present a 4-channel bio-potential recording system using asynchronous delta analog-to-digital converter. The system is designed to reduce the amount of data in neuro-physiological sensors. The circuit includes low-power low-noise amplifiers with asynchronous delta modulators. The analog front end offers a gain of 53dB within bandwidth of 200Hz-20kHz. In this asynchronous data converter, the minimum input-referred delta resolution is 4μV. The input-referred rms noise is 2μV. T h e system was… CONTINUE READING
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