Tuner integrated circuit and television tuner using the same...

Details Tuner integrated circuit and television tuner using the same... Tuner integrated circuit and television tuner using the same...

2007-03-27

2007-03-27

Ometz, David (Department: 2622)

Television

Receiver circuitry

Tuning

C348S732000, C348S733000, C348S725000, C455S209000, C455S259000, C334S001000

Reexamination Certificate

active

10349340

ABSTRACT:
One embodiment of a tuner integrated circuit includes two mixer circuits, an IF amplifier circuit, three oscillation circuits, a PLL circuit, and a reference oscillation circuit. A plurality of terminals are provided at two sides of the tuner integrated circuit and are connected to these elements. Among the terminals, at least an oscillator-connecting terminal for connecting an externally provided oscillator to the reference oscillation circuit, a power supply terminal through which a power supply voltage is supplied, and a ground terminal connected to a ground are provided at one side of the tuner integrated circuit. The power supply terminal and the ground terminal are disposed adjacent to the oscillator-connecting terminal such that they sandwich the oscillator-connecting terminal therebetween.

REFERENCES:
patent: 6243567 (2001-06-01), Saito
patent: 6816203 (2004-11-01), White
patent: 6847812 (2005-01-01), Doetsch et al.
patent: 6933984 (2005-08-01), Yamamoto et al.
patent: 0 899 877 (1999-03-01), None
patent: H11-055145 (1999-02-01), None
English language abstract of Japanese patent reference No. 07045962. Patent Abstracts of Japan published by Japanese Patent Office. It is believed that the abstract was published on Feb. 14, 1995.
English language abstract of Japanese patent reference No. 11054943. Patent Abstracts of Japan published by Japanese Patent Office. It is believed that the abstract was published on Feb. 26, 1999.
English language abstract of Japanese patent reference No. 10135588. Patent Abstracts of Japan published by Japanese Patent Office. It is believed that the abstract was published on May 22, 1998.
English language abstract of Japanese patent reference No. 2000059251. Patent Abstracts of Japan published by Japanese Patent Office. It is believed that the abstract was published on Feb. 25, 2000.

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