Micropower log-domain filter for electronic cochlea

Electronics Letters

Volumn 30, Issue 22, 1994, Pages 1839-1841

  Toumazou, C ^a,b   Ngarmnil, J ^b   Lande, T S ^c  

^a IMPERIAL COLLEGE LONDON   (United Kingdom)

^b MAHANAKORN UNIVERSITY OF TECHNOLOGY   (Thailand)

^c UNIVERSITY OF OSLO   (Norway)

Author keywords

Analogue circuits; Filters

Indexed keywords

BIPOLAR TRANSISTORS; ELECTRIC NETWORK SYNTHESIS; ELECTRIC NETWORK TOPOLOGY; INTEGRATED CIRCUITS; MOS DEVICES; RESONANCE; SEMICONDUCTOR DEVICE MANUFACTURE; SEMICONDUCTOR DEVICE STRUCTURES; SIGNAL TO NOISE RATIO;

ANALOGUE FILTERS; ELECTRONIC COCHLEA; INTEGRATOR; LOG COMPRESSOR; MICROPOWER LOG DOMAIN FILTER; MOS TECHNOLOGY; SECOND ORDER CONTINUOUS TIME FILTER;

ELECTRIC FILTERS;

EID: 0028524336     PISSN: 00135194     EISSN: None     Source Type: Journal    
DOI: 10.1049/el:19941284     Document Type: Article

References (11)

1. LYON, R.F., and MEAD, C.A.: ‘An electronic cochlea’, IEEE Trans., 1988, ASSP-36, pp. 1119–1134
2. WATTS, L., KERNS, D.A., LYON, R.F., and MEAD, C.A.: ‘Improved implementation of the silicon cochlea’, IEEE J. Solid-State Circuits, 1992, SC-27, (5), pp. 692–700
3. LIU, W., ANDREOU, A.G., and GOLDSTEIN, M.H.: ‘Voiced-speech representation by an analog silicon model of the auditory periphery’, IEEE Trans., 1992, NN-3, (3), pp. 477–489
4. PARK, J.C., ABEL, C., and ISMAIL, M.: ‘Design of a silicon cochlea using MOS switched-current techniques’. ECCTD'93-Circuit Theory and Design, 1993, pp. 269–247
5. VITTOZ, E.: ‘Micropower techniques’, in FRANCA, J., and TSIVIDIS, Y. (Eds.): ‘Design of VLSI circuits for telecommunication and signal processing’ (Prentice Hall, 1994)
6. FREY, D.R.: ‘Log-domain filtering: An approach to current-mode filtering’, IEE Proc. G., 1993, 140, (6), pp. 406–416
7. ADAMS, R.W.: ‘Filtering in the log domain’. 63rd AES Conf., May 1979, (New York), pp. 269–247 (Preprint 1470)
8. TSIVIDIS, Y.P., GOPINATHAN, V., and TOTH, L.: ‘Companding in signal processing’, Electron. Lett., 1990, 26, (17)
9. SEEVINCK, E.: ‘Companding current-mode integrator: A new circuit principle for continuous-time monolithic filters’, Electron. Lett., 1990, 26, (24)
10. ANDREOU, A.G., BOAHEN, K.A., POULIQUEN, P.O., PAVASOVIC, A., JENKINS, R.E., and STROHBEHN, K.: ‘Current-modesubthreshold MOS circuits for analog VLSI neural system’, IEEE Trans., 1991, NN-2, (2)
11. PSPICE: Microsim corporation, Irvine, CA, 1993