DocumentCode
2172860
Title
Hearing aid: A current mode approach
Author
Paul, S.K. ; Shaik, M.E. ; Samyukth, A.P. ; Bera, A.K.
Author_Institution
Dept. of Electron. & Instrum., Indian Sch. of Mines Univ., Dhanbad
fYear
2007
fDate
20-22 Dec. 2007
Firstpage
553
Lastpage
557
Abstract
The design of a current mode resistorless continuous time biquadratic filter for hearing aid application employing CCCIIs is presented. The circuit is capable of amplifying or attenuating signal at one or more selective band(s) of frequencies within the whole audio spectrum. The proposed circuit uses minimum number of active and passive elements. The electronic controllability of the filter parameters is achieved by bias currents of CCCIIs. PSPICE simulation results are shown to validate the theoretical results.
Keywords
SPICE; biomedical electronics; circuit simulation; continuous time filters; current conveyors; current-mode circuits; hearing aids; CCCII; PSPICE simulation; audio spectrum; bias currents; current mode approach; current mode resistorless continuous time biquadratic filter; electronic controllability; filter parameters; hearing aid; signal amplification; signal attenuation; Current controlled conveyor (CCCII); Current mode Filter; Hearing aid; Resistorless filter;
fLanguage
English
Publisher
iet
Conference_Titel
Information and Communication Technology in Electrical Sciences (ICTES 2007), 2007. ICTES. IET-UK International Conference on
Conference_Location
Tamil Nadu
ISSN
0537-9989
Type
conf
Filename
4735857
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