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System and Method of Changing a PWM Power Spectrum

  • US 20100171540A1
  • Filed: 03/22/2010
  • Published: 07/08/2010
  • Est. Priority Date: 04/01/2008
  • Status: Active Grant
First Claim
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1. A circuit comprising:

  • a pulse edge control circuit to receive at least one pulse-width modulated (PWM) signal from a PWM source, the pulse edge control circuit adapted to selectively swap the at least one PWM signal with a logic inverted, duty-cycle complement of the at least one PWM signal to produce at least one modulated PWM signal having a changed power spectrum, the pulse edge control circuit to provide the at least one modulated PWM signal to at least one output of the pulse edge control circuit.

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