Current-Mode Multiplier/Divider Circuits Based on the MOS Translinear Principle

Authors:
Antonio J. López-Martín;Alfonso Carlosena
Affiliations:
Department of Electrical and Electronic Engineering, Public University of Navarra, Arrosadía s/n. E-31006 - Pamplona, Spain;Department of Electrical and Electronic Engineering, Public University of Navarra, Arrosadía s/n. E-31006 - Pamplona, Spain
Venue:
Analog Integrated Circuits and Signal Processing
Year:
2001

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Abstract

In this paper, novel current-mode analog multiplier/divider circuits based on a pair of voltage-translinear loops are presented, featuring simplicity, precision and wide dynamic range. They are suitable for standard CMOS fabrication and can be successfully employed in a wide range of analog signal processing applications. Two versions, based on stacked and up-down voltage-translinear loops, respectively, are described. Experimental results are provided in order to verify their correct operation.