Application of spread-spectrum techniques to class-E DC/DC converters: Some preliminary results

Fabio Pareschi, Tommaso Vincenzi, Mauro Mangia, Nicola Bertoni, Riccardo Rovatti, Gianluca Setti

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

2 Scopus citations


Spread spectrum clocking (SSC) has recently emerged as a very effective solution to mitigate electromagnetic interference (EMI) issues. In last years it has been widely used in switching dc/dc converters, in particular in class-D ones, i.e., that based on pulse-width modulation. Conversely, it finds no application in resonant ones. Within this paper we investigate the effects of applying SSC techniques to a recently introduced resonant class-E converter. Intensive SPICE simulations using both basic and advanced SSC techniques show not only that SSC is effective in mitigating EMI issues in this class of converters, but also that the most important circuit figures of merit such as conversion efficiency are not affected.
Original languageEnglish (US)
Title of host publication2015 Nordic Circuits and Systems Conference, NORCAS 2015: NORCHIP and International Symposium on System-on-Chip, SoC 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Print)9781467365765
StatePublished - Dec 23 2015
Externally publishedYes


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