US Patent 7437391 Numerically controlled oscillator and method of operation
Patent 7437391 was granted and assigned to Agilent Technologies on October, 2008 by the United States Patent and Trademark Office.
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In one embodiment, the present invention is directed to a numerically controlled oscillator. The numerically controlled oscillator comprises: a phase accumulator for receiving an input digital word; and a phase to amplitude converter that is operatively coupled to the phase accumulator to receive a first phase signal and a second phase signal, the phase to amplitude converter calculating a sine value and a cosine value of each of the first and second phase signals, the phase to amplitude converter generating a summation of (i) a product of the sine value of the first phase signal and the cosine value of the second phase signal and (ii) a product of the sine value of the second phase signal and the cosine value of the first phase signal.
US Patent 07437391 Numerically controlled oscillator and method of operation US Patent 7437391 Numerically controlled oscillator and method of operation
US Patent 07437391 Numerically controlled oscillator and method of operation
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