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Micropower log-domain filter for electronic cochlea

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3 Author(s)
Toumazou, C. ; Imperial Coll. of Sci., Technol. & Med., London ; Ngarmnil, J. ; Lande, T.S.

A new approach to the design of a low-power cascadable analogue filter for applications such as silicon cochlea implants is described. One section of a possible silicon cochlea based on a second-order continuous-time filter employing MOS technology operating in weak inversion is presented. The idea is based on the recently proposed log-domain filter approach used previously in bipolar technology

Published in:

Electronics Letters  (Volume:30 ,  Issue: 22 )