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Back-Gate Effect to Generate Derivative of Neuron Activation Function

Gupta, Amit K and Bhat, Navakanta (2004) Back-Gate Effect to Generate Derivative of Neuron Activation Function. In: Analog Integrated Circuits and Signal Processing, 41 (1). pp. 89-92.

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A simple neuron circuit is presented which can generate the sigmoid neuron activiation function (NAF) and its derivative (DNAF) by introducing asymmetric body biasing in the cross-coupled differential pair. The mode of operation is controlled externally. This results in the efficient utilization of the hardware by realizing NAF and DNAF using the same building blocks. The circuit is prototyped and characterized as a proof of concept on 1.5 µm AMI technology.

Item Type: Journal Article
Publication: Analog Integrated Circuits and Signal Processing
Publisher: Springer
Additional Information: copyright of this article belongs to Kluwer Academic.
Keywords: derivative of neuron activation function;cross-coupled differential pair configuration;subthreshold operation; back-gate effect.
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 05 Dec 2008 06:35
Last Modified: 19 Sep 2010 04:52
URI: http://eprints.iisc.ac.in/id/eprint/16591

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