Title :
Companding current-mode integrator: a new circuit principle for continuous-time monolithic filters
Author_Institution :
Philips Res. Lab., Eindhoven, Netherlands
Abstract :
A new companding current-mode integrator principle is proposed. The integrator function is linear despite being composed of nonlinear parts. Its application promises monolithic filters with improved noise performance suitable for low supply voltages. A class AB circuit implementation is proposed which features an extended dynamic range.
Keywords :
active filters; analogue circuits; integrating circuits; class AB circuit implementation; companding current-mode integrator; continuous-time monolithic filters; extended dynamic range; linear function; low supply voltages; noise performance improvement;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19901319
