Experimental Results of an Analog VLSI Multiplier/Synapse /Transconductance Circuit

H. Chiblé


Multipliers, transconductances, synapse, neural networks, analog signal processing, VLSI CMOS circuits


The author presents a fabricated analog VLSI circuit that can be used as a four-quadrant analog multiplier with high linearity on both terms of multiplication and wide range on one of them. These characteristics make the circuit useful for the implementation of a transconductance. This circuit can be used for general purpose in analog signal processing, but the circuit is suitable for synapse analog VLSI implementation of artificial neural networks because of its small silicon area and its low power consumption. The theoretical idea and the simulation using Hspice have been presented in a previous article; that work is improved upon, fabricated, and tested in this article. Experimental results are presented.

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