EEG Bio-Amplifier
| dc.contributor.advisor | Ramesh, B | |
| dc.contributor.advisor | Ramachandran, Hema | |
| dc.contributor.author | Sujatha, S | |
| dc.date.accessioned | 2021-12-14T06:48:46Z | |
| dc.date.available | 2021-12-14T06:48:46Z | |
| dc.date.issued | 2017-06-01 | |
| dc.description | Restricted Access | en_US |
| dc.description.abstract | A low-noise bio-potential amplifier, for use with weak bio-signals such as EEG (electroencephalogram), has been developed, specifically for use in Brain-computer Interface systems. This can be used to remove noise and amplify bio-signals to improve signal quality and provide adequate voltage levels for digitisation and signal processing. Using a series of filters and multi-stage amplification, the bio-amplifier band-passes frequency components in the range 1Hz and 35Hz, and provides a gain in the range 8000 to 1000,000. The gain and offset are adjusted automatically, so as to maintain the output in the 0 - 1V range. This bio-amplifier unit is routinely used in our SSVEP-based BCI system and its performance has been in par with a commercially available system. | en_US |
| dc.identifier.citation | RRI-EEG Internal Technical Report No: 3 | en_US |
| dc.identifier.uri | http://hdl.handle.net/2289/7852 | |
| dc.language.iso | en | en_US |
| dc.publisher | Raman Research Institute | en_US |
| dc.rights | 2017 Raman Research Institute, Bengaluru | en_US |
| dc.title | EEG Bio-Amplifier | en_US |
| dc.type | Technical Report | en_US |
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