Integrated tuner circuit and television tuner using an...

Details Integrated tuner circuit and television tuner using an... Integrated tuner circuit and television tuner using an...

2006-03-28

2006-03-28

Yenke, Brian (Department: 2614)

Television

Receiver circuitry

C348S733000, C348S735000, C334S047000, C455S180200, C455S188200, C455S195100, C455S196100

Reexamination Certificate

active

07019790

ABSTRACT:
An integrated tuner circuit includes a first terminal to which a UHF TV signal is input via a UHF amplifier. The amplifier is switched to an operating state when a UHF TV signal is received. A switching-voltage generation circuit includes a first switching circuit for generating a switching voltage used to switch the operating state of a UHF high-frequency amplifying circuit. The switching voltage of the first switching circuit is output to the first terminal

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