Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Christoph Braun0
Date of Patent
January 20, 2009
Patent Application Number
10976074
Date Filed
October 28, 2004
Patent Primary Examiner
Patent abstract
A method and a device are proposed for the conversion of a quantized signal into a pulse width modulated signal, wherein dependent on a signal value of the quantized signal in each case a pulse duration of a pulse is determined within a period of the pulse width modulated signal, in which the pulse width modulated signal assumes a first value, while in the remainder of the period it assumes a second value, and wherein a phase position of the pulse is varied within the period of the pulse modulated signal from period to period in such a manner that energy of the pulse width modulated signal is distributed across a broad frequency spectrum. In one case, this takes place by means of parallel switched SD modulators and a vector controller.
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