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Companding current-mode integrator: a new circuit principle for continuous-time monolithic filters

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1 Author(s)
Seevinck, E. ; Philips Res. Lab., Eindhoven, Netherlands

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.

Published in:

Electronics Letters  (Volume:26 ,  Issue: 24 )