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An Equivalent Circuit Model of a Commercial LED With an ESD Protection Component for VLC

Abstract : An equivalent circuit model for a typical commercial light-emitting diode (LED) used in visible light communication (VLC) applications is proposed. The parameters of the elements in the model are extracted from the measured impedance using a vector network analyser. The model shows high accuracy in fitting the measured results and shows the effect of bonding/packaging parasitics and the electrostatic discharge (ESD) component on the LED's impedance and bandwidth. This study aims to raise the designer's awareness when designing and fabricating high-speed LED/µLED devices to achieve the optimal modulation bandwidth in the emerging VLC applications.
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https://hal-amu.archives-ouvertes.fr/hal-03341366
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Submitted on : Friday, September 10, 2021 - 4:52:35 PM
Last modification on : Wednesday, July 13, 2022 - 9:38:28 AM

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Xicong Li, Zabih Ghassemlooy, Stanislav Zvanovec, Luis Nero Alves. An Equivalent Circuit Model of a Commercial LED With an ESD Protection Component for VLC. IEEE Photonics Technology Letters, Institute of Electrical and Electronics Engineers, 2021, 33 (15), pp.777-779. ⟨10.1109/LPT.2021.3095557⟩. ⟨hal-03341366⟩

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