发明名称 |
APPARATUS AND METHOD FOR TUNING CENTER FREQUENCY OF A FILTER |
摘要 |
A method for tuning a filter is provided. The method includes: enabling a VCO circuit, wherein at least a portion of the VCO circuit is selected from the filter; generating an oscillation signal by the VCO circuit according to a driving signal; comparing the oscillation signal with a reference signal and generating a comparison result; and adjusting the driving signal according to the comparison result.
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申请公布号 |
US2008252365(A1) |
申请公布日期 |
2008.10.16 |
申请号 |
US20080139522 |
申请日期 |
2008.06.16 |
申请人 |
TU WEI-HSUAN;HSU TSE-HSIANG |
发明人 |
TU WEI-HSUAN;HSU TSE-HSIANG |
分类号 |
G06G7/12;H01L31/00;H03B5/04;H03F3/45;H03L1/02;H03L7/06;H04B1/10 |
主分类号 |
G06G7/12 |
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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