Volume 45, Issue 4 pp. 483-501
Research Article

Analysis of a balanced analog multiplier for an arbitrary number of signed inputs

Brian Hong

Corresponding Author

Brian Hong

Department of Electrical Engineering, California Institute of Technology, Pasadena, CA, 91125 USA

Correspondence to: Brian Hong, Department of Electrical Engineering, California Institute of Technology, Pasadena, CA 91125, USA.

E-mail: [email protected]

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Ali Hajimiri

Ali Hajimiri

Department of Electrical Engineering, California Institute of Technology, Pasadena, CA, 91125 USA

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First published: 08 August 2016
Citations: 2

Summary

We present an extension of the double-balanced current-commutating analog multiplier (also known as the Gilbert cell) that enables the multiplication of an arbitrary number of signed differential input voltages. A general analysis of the circuit for an arbitrary device nonlinearity is provided, and simulations on a bulk CMOS process as well as measurement results of a discrete bipolar implementation are reported. Copyright © 2016 John Wiley & Sons, Ltd.

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