A cost-effective design of non-linear modulation profile for spread spectrum clock

Chulwoo Kim, Sewook Hwang, Minyoung Song

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Spread-spectrum clock generator (SSCG) is a cost-effective solution to reduce EMI, which has become a serious problem in high-speed systems. In many applications, including serial links, display drivers and consumer electronics, SSCG is essential or strongly recommended. Control options such as frequency deviation and modulation frequency help satisfy various demands of different applications. Efficient modulation profile and its generation are critical to achieving large EMI reduction and lowering fabrication cost. This paper provides a tutorial review of SSCGs. After reviewing various kinds of EMI reduction technique, the SSCG that has cost-effective nonlinear modulation profile generator is presented. The SSCG can support 14 frequency deviations and three modulation frequencies. It achieved and EMI reduction of 19.14dB with a 5000ppm down spreading and a 31kHz modulation frequency.

Original languageEnglish
Title of host publicationICSICT 2012 - 2012 IEEE 11th International Conference on Solid-State and Integrated Circuit Technology, Proceedings
DOIs
Publication statusPublished - 2012 Dec 1
Event2012 IEEE 11th International Conference on Solid-State and Integrated Circuit Technology, ICSICT 2012 - Xi'an, China
Duration: 2012 Oct 292012 Nov 1

Other

Other2012 IEEE 11th International Conference on Solid-State and Integrated Circuit Technology, ICSICT 2012
CountryChina
CityXi'an
Period12/10/2912/11/1

Fingerprint

Clocks
Frequency modulation
Modulation
Costs
Consumer electronics
Telecommunication links
Display devices
Fabrication

ASJC Scopus subject areas

  • Human-Computer Interaction
  • Electrical and Electronic Engineering

Cite this

Kim, C., Hwang, S., & Song, M. (2012). A cost-effective design of non-linear modulation profile for spread spectrum clock. In ICSICT 2012 - 2012 IEEE 11th International Conference on Solid-State and Integrated Circuit Technology, Proceedings [6466671] https://doi.org/10.1109/ICSICT.2012.6466671

A cost-effective design of non-linear modulation profile for spread spectrum clock. / Kim, Chulwoo; Hwang, Sewook; Song, Minyoung.

ICSICT 2012 - 2012 IEEE 11th International Conference on Solid-State and Integrated Circuit Technology, Proceedings. 2012. 6466671.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Kim, C, Hwang, S & Song, M 2012, A cost-effective design of non-linear modulation profile for spread spectrum clock. in ICSICT 2012 - 2012 IEEE 11th International Conference on Solid-State and Integrated Circuit Technology, Proceedings., 6466671, 2012 IEEE 11th International Conference on Solid-State and Integrated Circuit Technology, ICSICT 2012, Xi'an, China, 12/10/29. https://doi.org/10.1109/ICSICT.2012.6466671
Kim C, Hwang S, Song M. A cost-effective design of non-linear modulation profile for spread spectrum clock. In ICSICT 2012 - 2012 IEEE 11th International Conference on Solid-State and Integrated Circuit Technology, Proceedings. 2012. 6466671 https://doi.org/10.1109/ICSICT.2012.6466671
Kim, Chulwoo ; Hwang, Sewook ; Song, Minyoung. / A cost-effective design of non-linear modulation profile for spread spectrum clock. ICSICT 2012 - 2012 IEEE 11th International Conference on Solid-State and Integrated Circuit Technology, Proceedings. 2012.
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