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Electronics
Volume 10
Issue 21
10.3390/electronics10212661
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Article

A Regulated Pulse Current Driver with Spread Spectrum Clock Generator †

by
Ming-Shian Lin
Graduate Institute of Electronics Engineering, National Taiwan University, Taipei 10617, Taiwan
†
This paper is an extension version of the conference paper published in Lin M.-S. A Regulated Pulse Current Driver with Spread Spectrum Technique. In Proceedings of the 2020 IEEE International Conference on Consumer Electronics Taiwan (2020 ICCE-Taiwan), Taoyuan, Taiwan, 28–30 September 2020.
Electronics 2021, 10(21), 2661; https://doi.org/10.3390/electronics10212661
Submission received: 10 October 2021 / Revised: 28 October 2021 / Accepted: 29 October 2021 / Published: 30 October 2021
(This article belongs to the Special Issue Electromagnetic Interference, Compatibility and Applications)
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Abstract

This paper presents a regulated pulse current driver with a spread spectrum clock generator (SSCG) to lower the electromagnetic interference (EMI) effect. An SSCG is used and implemented by applying a triangular wave to modulate a voltage-controlled oscillator (VCO). The results show a 7 dBm reduction in the peak power level with a frequency deviation of 10%, demonstrating that the dominate harmonic is spread and distributed to adjacent frequencies, and the magnitude of harmonics is significantly reduced. The results demonstrate that the driver with a spread spectrum clock generator would help to reduce interference in sensitive electronic components and be suitable for portable consumer electronics applications.
Keywords: regulated pulse current driver; spread spectrum clock generator (SSCG); electromagnetic interference (EMI); voltage-controlled oscillator (VCO) regulated pulse current driver; spread spectrum clock generator (SSCG); electromagnetic interference (EMI); voltage-controlled oscillator (VCO)

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MDPI and ACS Style

Lin, M.-S. A Regulated Pulse Current Driver with Spread Spectrum Clock Generator. Electronics 2021, 10, 2661. https://doi.org/10.3390/electronics10212661

AMA Style

Lin M-S. A Regulated Pulse Current Driver with Spread Spectrum Clock Generator. Electronics. 2021; 10(21):2661. https://doi.org/10.3390/electronics10212661

Chicago/Turabian Style

Lin, Ming-Shian. 2021. "A Regulated Pulse Current Driver with Spread Spectrum Clock Generator" Electronics 10, no. 21: 2661. https://doi.org/10.3390/electronics10212661

APA Style

Lin, M.-S. (2021). A Regulated Pulse Current Driver with Spread Spectrum Clock Generator. Electronics, 10(21), 2661. https://doi.org/10.3390/electronics10212661

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