Electro-magnetic interference reduction for switched signal systems

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United States of America Patent

PATENT NO 9264269
APP PUB NO 20150103877A1
SERIAL NO

14575574

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Abstract

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In one embodiment, a method receives a pulse width modulation signal. A value that is a function of the pulse width modulation signal is determined. The value is used to modulate a switching frequency of the pulse width modulation signal to generate a modulated pulse width modulation signal. The applied value reduces electro-magnetic interference from tones in the modulated pulse width modulation signal.

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Patent Owner(s)

  • MARVELL WORLD TRADE LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jain, Kapil Santa Clara, US 59 433

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