Syllabically companding log domain filter using dynamic biasing

Electronics Letters

Volumn 33, Issue 18, 1997, Pages 1506-1507

  Frey, D R ^a   Tsividis, Y P ^b  

^a Lehigh University   (United States)

^b Columbia University ^*  (United States)

Author keywords

Analogue circuits; Filters

Indexed keywords

COMPUTER SIMULATION; ELECTRIC WAVEFORMS; LEAKAGE CURRENTS; NATURAL FREQUENCIES; SHOT NOISE;

ANALOGUE CIRCUITS; SYLLABIC COMPANDING LOG DOMAIN FILTERS;

ELECTRIC FILTERS;

EID: 0031209050     PISSN: 00135194     EISSN: None     Source Type: Journal    
DOI: 10.1049/el:19971043     Document Type: Article

References (7)

1. FREY, D.R.: 'Log-domain filtering: An approach to current-mode filtering', IEE Proc. G, 1993, 140, pp. 406-416
2. TSIVIDIS, Y.: 'Externally linear, time-invariant systems and their applications to companding signal processors', IEEE Trans. Circuits Syst. II, 1997, 44, (2), pp. 65-85
3. MULDER, J., SERDIJN, W.A., VAN DER WOERD, A.C., and VAN ROERMUND, A.H.M.: 'A syllabic companding translinear filter'. Proc. 1997 IEEE Int. Symp. Circuit Syst., Hong Kong, 1997, Vol. 1, pp. 101-104
4. SEEVINCK, E.: 'Companding current-mode integrator: A new circuit principle for continuous-time monolithic filters', Electron. Lett., 1990, 26, (24), pp. 2046-2047
5. BLUMENKRANTZ, E.: 'The analog floating-point technique'. Proc. 1995 IEEE Symp. Low Power Electronics, San Jose, October 1995, pp. 72-73
6. PUNZENBERGER, M., and ENZ, C.: 'A new 1.2V BiCMOS log-domain integrator for companding current-mode filters'. Proc. 1996 IEEE Int. Symp. Circuits Syst., Atlanta, Vol. 1, pp. 125-128
7. SERDIJN, W.A., BROEST, M., MULER, J., VAN DER WOERD, A.C., and VAN ROERMUND, A.H.M.: 'A low-voltage ultra-low-power current-companding integrator for audio filter applications'. Dig. 1996 European Solid-State Circuits Conf.