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Article

Design of an Ultra-Low Voltage Bias Current Generator Highly Immune to Electromagnetic Interference

Department of Electronics and Computer Engineer, National University of Singapore, Singapore 117583, Singapore
This paper is a revised and extended version of the conference paper Aiello, O. Ultra-Low Voltage Current Biasing Highly Immune to EMI. In Proceedings of the 2019 IEEE International Circuits and Systems Symposium (ICSyS), Kuantan, Malaysia, 18–19 September 2019; pp. 1–4.
J. Low Power Electron. Appl. 2021, 11(1), 6; https://0-doi-org.brum.beds.ac.uk/10.3390/jlpea11010006
Received: 13 October 2020 / Revised: 14 January 2021 / Accepted: 15 January 2021 / Published: 20 January 2021
(This article belongs to the Special Issue Low-Power CMOS Analog and Digital Circuits and Filters)
The paper deals with the immunity to Electromagnetic Interference (EMI) of the current source for Ultra-Low-Voltage Integrated Circuits (ICs). Based on the properties of IC building blocks, such as the current-splitter and current correlator, a novel current generator is conceived. The proposed solution is suitable to provide currents to ICs operating in the sub-threshold region even in the presence of an electromagnetic polluted environment. The immunity to EMI of the proposed solution is compared with that of a conventional current mirror and evaluated by analytic means and with reference to the 180 nm CMOS technology process. The analysis highlights how the proposed solution generates currents down to nano-ampere intrinsically robust to the Radio Frequency (RF) interference affecting the input of the current generator, differently to what happens to the output current of a conventional mirror under the same conditions. View Full-Text
Keywords: Electromagnetic Interference (EMI); Ultra-Low-Voltage (ULV) ICs; current mirrors; current generators; current-splitter; current correlator Electromagnetic Interference (EMI); Ultra-Low-Voltage (ULV) ICs; current mirrors; current generators; current-splitter; current correlator
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MDPI and ACS Style

Aiello, O. Design of an Ultra-Low Voltage Bias Current Generator Highly Immune to Electromagnetic Interference. J. Low Power Electron. Appl. 2021, 11, 6. https://0-doi-org.brum.beds.ac.uk/10.3390/jlpea11010006

AMA Style

Aiello O. Design of an Ultra-Low Voltage Bias Current Generator Highly Immune to Electromagnetic Interference. Journal of Low Power Electronics and Applications. 2021; 11(1):6. https://0-doi-org.brum.beds.ac.uk/10.3390/jlpea11010006

Chicago/Turabian Style

Aiello, Orazio. 2021. "Design of an Ultra-Low Voltage Bias Current Generator Highly Immune to Electromagnetic Interference" Journal of Low Power Electronics and Applications 11, no. 1: 6. https://0-doi-org.brum.beds.ac.uk/10.3390/jlpea11010006

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