Impact of Spread Spectrum EMI-Reduction on Audio Performance of Filterless Class-D Amplifiers

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Abstract

In this paper the ability of using spread spectrum clock generation (SSCG) techniques for audio applications is investigated. It is shown how this technique can be used to reduce the electromagnetic emission that is caused by the high frequency switching activity of Class-D audio amplifiers. Additionally the trade-offs when using this technique are explained. Based on measurement and simulation of the conducted common-mode electromagnetic emission and THD+N of a class D audio amplifier, it is shown how the spread spectrum technique can be used to reduce the electromagnetic emission in certain frequency ranges and how it impacts the audio performance.
LanguageEnglish
Title of host publication22nd Austrian Workshop on Microelectronics (Austrochip)
PublisherInstitute of Electrical and Electronics Engineers
Pages47-52
ISBN (Electronic)978-1-4799-7244-9
ISBN (Print)978-1-4799-7243-2
StatusPublished - 2014
EventAustrochip - Graz, Austria
Duration: 9 Oct 2014 → …

Conference

ConferenceAustrochip
CountryAustria
CityGraz
Period9/10/14 → …

Fields of Expertise

  • Information, Communication & Computing

Treatment code (Nähere Zuordnung)

  • Experimental
  • Basic - Fundamental (Grundlagenforschung)

Cite this

Karaca, T. D., Auer, M., Winkler, G., & Deutschmann, B. (2014). Impact of Spread Spectrum EMI-Reduction on Audio Performance of Filterless Class-D Amplifiers. In 22nd Austrian Workshop on Microelectronics (Austrochip) (pp. 47-52). Institute of Electrical and Electronics Engineers.

Impact of Spread Spectrum EMI-Reduction on Audio Performance of Filterless Class-D Amplifiers. / Karaca, Timucin David; Auer, Mario; Winkler, Gunter; Deutschmann, Bernd.

22nd Austrian Workshop on Microelectronics (Austrochip) . Institute of Electrical and Electronics Engineers, 2014. p. 47-52.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Karaca, TD, Auer, M, Winkler, G & Deutschmann, B 2014, Impact of Spread Spectrum EMI-Reduction on Audio Performance of Filterless Class-D Amplifiers. in 22nd Austrian Workshop on Microelectronics (Austrochip) . Institute of Electrical and Electronics Engineers, pp. 47-52, Austrochip, Graz, Austria, 9/10/14.
Karaca TD, Auer M, Winkler G, Deutschmann B. Impact of Spread Spectrum EMI-Reduction on Audio Performance of Filterless Class-D Amplifiers. In 22nd Austrian Workshop on Microelectronics (Austrochip) . Institute of Electrical and Electronics Engineers. 2014. p. 47-52.
Karaca, Timucin David ; Auer, Mario ; Winkler, Gunter ; Deutschmann, Bernd. / Impact of Spread Spectrum EMI-Reduction on Audio Performance of Filterless Class-D Amplifiers. 22nd Austrian Workshop on Microelectronics (Austrochip) . Institute of Electrical and Electronics Engineers, 2014. pp. 47-52
@inproceedings{23a49de8d4e043df8d822dc417b140d5,
title = "Impact of Spread Spectrum EMI-Reduction on Audio Performance of Filterless Class-D Amplifiers",
abstract = "In this paper the ability of using spread spectrum clock generation (SSCG) techniques for audio applications is investigated. It is shown how this technique can be used to reduce the electromagnetic emission that is caused by the high frequency switching activity of Class-D audio amplifiers. Additionally the trade-offs when using this technique are explained. Based on measurement and simulation of the conducted common-mode electromagnetic emission and THD+N of a class D audio amplifier, it is shown how the spread spectrum technique can be used to reduce the electromagnetic emission in certain frequency ranges and how it impacts the audio performance.",
author = "Karaca, {Timucin David} and Mario Auer and Gunter Winkler and Bernd Deutschmann",
year = "2014",
language = "English",
isbn = "978-1-4799-7243-2",
pages = "47--52",
booktitle = "22nd Austrian Workshop on Microelectronics (Austrochip)",
publisher = "Institute of Electrical and Electronics Engineers",
address = "United States",

}

TY - GEN

T1 - Impact of Spread Spectrum EMI-Reduction on Audio Performance of Filterless Class-D Amplifiers

AU - Karaca,Timucin David

AU - Auer,Mario

AU - Winkler,Gunter

AU - Deutschmann,Bernd

PY - 2014

Y1 - 2014

N2 - In this paper the ability of using spread spectrum clock generation (SSCG) techniques for audio applications is investigated. It is shown how this technique can be used to reduce the electromagnetic emission that is caused by the high frequency switching activity of Class-D audio amplifiers. Additionally the trade-offs when using this technique are explained. Based on measurement and simulation of the conducted common-mode electromagnetic emission and THD+N of a class D audio amplifier, it is shown how the spread spectrum technique can be used to reduce the electromagnetic emission in certain frequency ranges and how it impacts the audio performance.

AB - In this paper the ability of using spread spectrum clock generation (SSCG) techniques for audio applications is investigated. It is shown how this technique can be used to reduce the electromagnetic emission that is caused by the high frequency switching activity of Class-D audio amplifiers. Additionally the trade-offs when using this technique are explained. Based on measurement and simulation of the conducted common-mode electromagnetic emission and THD+N of a class D audio amplifier, it is shown how the spread spectrum technique can be used to reduce the electromagnetic emission in certain frequency ranges and how it impacts the audio performance.

M3 - Conference contribution

SN - 978-1-4799-7243-2

SP - 47

EP - 52

BT - 22nd Austrian Workshop on Microelectronics (Austrochip)

PB - Institute of Electrical and Electronics Engineers

ER -