System and method of eliminating or minimizing Lo-Related interference from tuners

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United States of America Patent

PATENT NO 7904024
APP PUB NO 20080222691A1
SERIAL NO

11930703

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Systems and methods of eliminating or reducing interference resulting from harmonics of local oscillator frequencies of mixers are shown. In one embodiment, a determination is made as to a zone or zones within an intermediate frequency band associated with undesired spurs. Inter-tuner spurs and intra-tuner spurs may be identified such that frequency information of the identified spurs may be utilized to define a plurality of exclusion zones. Local oscillator frequencies may subsequently be efficiently selected in view of the exclusion zone information. Embodiments may also determine a score for identified spurs which may be used to optimally select from within a set of spur-generating local oscillator frequencies.

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Patent Owner(s)

  • CSR TECHNOLOGY INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dessert, David Wylie, US 6 84
Schneider, John Frisco, US 39 782

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