Demonstration of Pulse Width Modulation Function Using Single Positive Feedback Device for Neuron

Sung Yun Woo; Dongseok Kwon; Byung Gook Park; Jong Ho Lee; Jong Ho Bae

doi:10.1109/LED.2022.3225168

Demonstration of Pulse Width Modulation Function Using Single Positive Feedback Device for Neuron

Sung Yun Woo, Dongseok Kwon, Byung Gook Park, Jong Ho Lee, Jong Ho Bae

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

A positive-feedback (PF) device and its operation scheme to implement pulse width modulation (PWM) function were demonstrated. First, the device operation mechanism for the PWM function was analyzed. By adjusting the amount of the charge stored in the n- floating body (Q n ), the potential of the floating body changes linearly with time. When Qn reaches to a threshold value (Q th), the PF device turns on abruptly. From the linear time-varying property of Q n and the gate bias dependency of Qth , voltage-to-pulse width conversion for the PWM function was implemented. A rectified linear or hard-sigmoid activation function was successfully obtained from a single PF device, and it is beneficial to extremely reduce the area of a PWM neuron.

Original language	English
Pages (from-to)	5-8
Number of pages	4
Journal	IEEE Electron Device Letters
Volume	44
Issue number	1
DOIs	https://doi.org/10.1109/LED.2022.3225168
State	Published - 1 Jan 2023

Keywords

Positive feedback
activation function
neuron device
pulse width modulation

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10.1109/LED.2022.3225168

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title = "Demonstration of Pulse Width Modulation Function Using Single Positive Feedback Device for Neuron",

abstract = "A positive-feedback (PF) device and its operation scheme to implement pulse width modulation (PWM) function were demonstrated. First, the device operation mechanism for the PWM function was analyzed. By adjusting the amount of the charge stored in the n- floating body (Q n ), the potential of the floating body changes linearly with time. When Qn reaches to a threshold value (Q th), the PF device turns on abruptly. From the linear time-varying property of Q n and the gate bias dependency of Qth , voltage-to-pulse width conversion for the PWM function was implemented. A rectified linear or hard-sigmoid activation function was successfully obtained from a single PF device, and it is beneficial to extremely reduce the area of a PWM neuron.",

keywords = "Positive feedback, activation function, neuron device, pulse width modulation",

author = "Woo, {Sung Yun} and Dongseok Kwon and Park, {Byung Gook} and Lee, {Jong Ho} and Bae, {Jong Ho}",

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AU - Park, Byung Gook

AU - Lee, Jong Ho

AU - Bae, Jong Ho

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N2 - A positive-feedback (PF) device and its operation scheme to implement pulse width modulation (PWM) function were demonstrated. First, the device operation mechanism for the PWM function was analyzed. By adjusting the amount of the charge stored in the n- floating body (Q n ), the potential of the floating body changes linearly with time. When Qn reaches to a threshold value (Q th), the PF device turns on abruptly. From the linear time-varying property of Q n and the gate bias dependency of Qth , voltage-to-pulse width conversion for the PWM function was implemented. A rectified linear or hard-sigmoid activation function was successfully obtained from a single PF device, and it is beneficial to extremely reduce the area of a PWM neuron.

AB - A positive-feedback (PF) device and its operation scheme to implement pulse width modulation (PWM) function were demonstrated. First, the device operation mechanism for the PWM function was analyzed. By adjusting the amount of the charge stored in the n- floating body (Q n ), the potential of the floating body changes linearly with time. When Qn reaches to a threshold value (Q th), the PF device turns on abruptly. From the linear time-varying property of Q n and the gate bias dependency of Qth , voltage-to-pulse width conversion for the PWM function was implemented. A rectified linear or hard-sigmoid activation function was successfully obtained from a single PF device, and it is beneficial to extremely reduce the area of a PWM neuron.

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KW - pulse width modulation

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Demonstration of Pulse Width Modulation Function Using Single Positive Feedback Device for Neuron

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