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Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Joel Butler0
Date of Patent
November 27, 2007
0Patent Application Number
112788370
Date Filed
April 6, 2006
0Patent Primary Examiner
Patent abstract
Embodiments of the present invention provide a sigma-delta modulated power supply that is operable to sum an input signal and a feedback signal, integrate the summed signal, asynchronously quantize the integrated signal, sample the quantized signal utilizing a pseudo-random osculating signal, and amplify the sampled signal. The power supply enables discrete implementation of a low-cost, spread spectrum controlled, sigma delta modulated power supply for spectrally pure, high efficiency, low EMI power amplification.
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