Translinear transconductor design for cochlear filter banks

Author

Furth, Paul M. ; Andreou, Andreas G.

Author_Institution

Klipsch Sch. of Electr. & Comput. Eng., New Mexico State Univ., Las Cruces, NM, USA

Volume

2

fYear

1996

Firstpage

917

Abstract

The five major requirements of a transconductance-C integrator for use in cochlear filter banks are: low voltage, low power, small area, wide tuning range, and high dynamic range. The BiCMOS transconductor of Andreou and Liu (1993), which incorporates MOSTs operating in strong and weak inversion and a bipolar current multiplier, simultaneously satisfies all of these design criteria. Moreover, each stage of the transconductor can be optimized in order to achieve the best overall performance. A similar design strategy can be applied to MOSFET-C implementations

Keywords

BiCMOS analogue integrated circuits; analogue processing circuits; circuit tuning; continuous time filters; integrating circuits; speech processing; BiCMOS transconductor; MOSFET-C implementations; bipolar current multiplier; cochlear filter banks; high dynamic range; transconductance-C integrator; translinear transconductor design; wide tuning range; BiCMOS integrated circuits; Capacitance; Channel bank filters; Cutoff frequency; Dynamic range; MOSFETs; Transconductance; Transconductors; Tuning; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Circuits and Systems, 1996., IEEE 39th Midwest symposium on

Conference_Location

Ames, IA

Print_ISBN

0-7803-3636-4

Type

conf

DOI

10.1109/MWSCAS.1996.588084

Filename

588084