DocumentCode
1393666
Title
Analogue micropowered log-domain tone controller for auditory prostheses
Author
Germanovix, W. ; Neill, G.O. ; Toumazou, C. ; Drakakis, E.M. ; Kitney, R.I. ; Lande, T.S.
Author_Institution
State Univ. of Londrina, Brazil
Volume
34
Issue
11
fYear
1998
fDate
5/28/1998 12:00:00 AM
Firstpage
1051
Lastpage
1052
Abstract
A micropower tone-control circuit comprising two first-order log-domain filters and a subtractor built with MOS transistors in weak inversion is described. The tone-controller is capable of providing bass cut/boost and treble cut operations. This circuit is being used in new designs of a conventional (acoustic) hearing-aid and cochlear implant
Keywords
MOS integrated circuits; active filters; analogue processing circuits; circuit tuning; hearing aids; integrating circuits; prosthetics; MOS transistors; analogue tone controller circuit; auditory prostheses; bass cut/boost operations; cochlear implant; first-order log-domain filters; hearing-aid; micropowered log-domain tone controller; subtractor; treble cut operations; weak inversion;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19980780
Filename
683779
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