Simplified technique for syllabic companding in log-domain filters

Electronics Letters

Volumn 36, Issue 15, 2000, Pages 1257-1259

  Krishnapura, N ^a   Tsividis, Y ^a   Frey, D R ^b  

^a Och Spine at New York Presbyterian Hospitals   (United States)

^b LEHIGH UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ELECTRIC NETWORK ANALYSIS; ELECTRIC NETWORK SYNTHESIS;

LOG-DOMAIN FILTERS; SYLLABIC COMPANDING;

ELECTRIC FILTERS;

EID: 0034225820     PISSN: 00135194     EISSN: None     Source Type: Journal    
DOI: 10.1049/el:20000978     Document Type: Article

References (8)

1. SEEVINCK, E.: 'Companding current mode integrator: a new circuit principle for continuous time monolithic filters', Electron. Lett., 1990, 26, (24), pp. 2046-2047
2. FREY, D.R.: 'Log-domain filtering: an approach to current mode filtering', IEE Proc. G, Circuits Devices Syst., 1993, 140, (6), pp. 406-416
3. FREY, D.R., and TSIVIDIS, Y.P.: 'Syllabically companding log domain filter using dynamic biasing', Electron. Lett., 1997, 33, (18), pp. 1506-1507
4. TSIVIDIS, Y.: 'Externally linear time-invariant systems and their applications to companding signal processors', IEEE Trans. CAS-II, 1997, 44, (2), pp. 65-85
5. MULDER, J., SERDIJN, W.A., VAN DER WOERD, A.C., and VAN ROERMUND, A.H.M.: 'A syllabic companding translinear filter', Proc. ISCAS, Hong Kong, 1997, Vol. 1, pp. 101-104
6. BLUMENKRANTZ, E.: 'Analog floating point technique'. Proc. IEEE Symp. Low Power Electronics, San Jose, CA, Oct. 1995, pp. 72-73
7. FREY, D.R.: 'On Instantaneous vs. syllabic companding in log domain filters'. Proc. ISCAS, Orlando, 1999, Vol. 2, pp. 672-676
8. FUNZENBERGER, M., and ENZ, C.: 'A 1.2-V low power BiCMOS class AB log-domain filter', IEEE J. Solid-State Circuits, 1997, 32, pp. 1968-1978