发明名称 |
Integrated tuner circuit and television tuner using an integrated tuner circuit |
摘要 |
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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申请公布号 |
US7019790(B2) |
申请公布日期 |
2006.03.28 |
申请号 |
US20030341695 |
申请日期 |
2003.01.13 |
申请人 |
ALPS ELECTRIC CO., LTD. |
发明人 |
YAMAMOTO MASAKI |
分类号 |
H04N5/44;H03J5/00;H03J5/24;H04B1/16;H04B1/18;H04B1/26;H04N5/50 |
主分类号 |
H04N5/44 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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