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Design of low-voltage low-power continuous-time filter for hearing aid application using CMOS current conveyor based translinear loop

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3 Author(s)
Dutta, D. ; DIT, New Delhi, India ; Ujjwal, R. ; Banerjee, S.

In this paper, we discuss the design of a continuous-time biquadratic filter for hearing aid application using CMOS current conveyors based translinear loop. It has the capability of amplifying as well as attenuating the signals of any desired frequency band in the audio range. The proposed circuit has been realized using purely current-mode approach. Electronic tuning of the filter parameters is being done by the bias current sources. This filter in the log-domain operates at low voltage and consumes very low power.

Published in:

VLSI Design, 2006. Held jointly with 5th International Conference on Embedded Systems and Design., 19th International Conference on

Date of Conference:

3-7 Jan. 2006