Very low-noise ENG amplifier system using CMOS technology

R Rieger, M Schuettler, D Pal, C Clarke, P Langlois, J Taylor, N Donaldson

Research output: Contribution to journalArticle

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Abstract

In this paper, we describe the design and testing of a system for recording electroneurographic signals (ENG) from a multielectrode nerve cuff (MEC). This device, which is an extension of the conventional nerve signal recording cuff, enables ENG to be classified by action potential velocity. In addition to electrical measurements, we provide preliminary in vitro data obtained from frogs that demonstrate the validity of the technique for the first time. Since typical ENG signals are extremely small, on the order of 11 mu V, very low-noise, high-gain amplifiers are required. The ten-channel system we describe was realized in a 0.8 mu m CMOS technology and detailed measured results are presented. The overall gain is 10 000 and the total input-referred root mean square (rms) noise in a bandwidth 1 Hz-5 kHZ is 291 nV. The active area is 12 mm(2) and the power consumption is 24 mW from 2.5 V power supplies.
LanguageEnglish
Pages427-437
Number of pages11
JournalIEEE Transactions on Neural Systems and Rehabilitation Engineering
Volume14
Issue number4
DOIs
StatusPublished - 2006

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Noise
Electric power utilization
Technology
Bandwidth
Electric Power Supplies
Testing
Anura
Action Potentials
Equipment and Supplies
In Vitro Techniques

Cite this

Rieger, R., Schuettler, M., Pal, D., Clarke, C., Langlois, P., Taylor, J., & Donaldson, N. (2006). Very low-noise ENG amplifier system using CMOS technology. DOI: 10.1109/tnsre.2006.886731

Very low-noise ENG amplifier system using CMOS technology. / Rieger, R; Schuettler, M; Pal, D; Clarke, C; Langlois, P; Taylor, J; Donaldson, N.

In: IEEE Transactions on Neural Systems and Rehabilitation Engineering, Vol. 14, No. 4, 2006, p. 427-437.

Research output: Contribution to journalArticle

Rieger, R, Schuettler, M, Pal, D, Clarke, C, Langlois, P, Taylor, J & Donaldson, N 2006, 'Very low-noise ENG amplifier system using CMOS technology' IEEE Transactions on Neural Systems and Rehabilitation Engineering, vol. 14, no. 4, pp. 427-437. DOI: 10.1109/tnsre.2006.886731
Rieger, R ; Schuettler, M ; Pal, D ; Clarke, C ; Langlois, P ; Taylor, J ; Donaldson, N. / Very low-noise ENG amplifier system using CMOS technology. In: IEEE Transactions on Neural Systems and Rehabilitation Engineering. 2006 ; Vol. 14, No. 4. pp. 427-437
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