Title :
Syllabically companding log domain filter using dynamic biasing
Author :
Frey, D.R. ; Tsividis, Y.P.
Author_Institution :
Dept. of Comput. Sci. & Electr. Eng., Lehigh Univ., Bethlehem, PA, USA
fDate :
8/28/1997 12:00:00 AM
Abstract :
It is shown that syllabic companding in a log domain filter can be accomplished by varying the bias currents, thus eliminating the need for separate compressor and expander blocks. The advantages of the proposed technique are discussed
Keywords :
active filters; integrating circuits; bias currents; dynamic biasing; integrators; log domain filter; syllabic companding;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19971043
