发明名称 |
POLY-PHASE FILTER, AND A SINGLE-SIDE BAND MIXER INCLUDING THE SAME |
摘要 |
A 4-phase filter includes four filter units including resistors and capacitors which inputs input signals, and provides the input signal via a switch buffer to a secondary capacitor provided in parallel to a primary capacitance of each filter unit, thus enabling a shift of an operational frequency band according to whether or not the switch buffer is in an output-high-impedance state. |
申请公布号 |
US2012092085(A1) |
申请公布日期 |
2012.04.19 |
申请号 |
US201113333471 |
申请日期 |
2011.12.21 |
申请人 |
OISHI KAZUAKI;FUJITSU LIMITED |
发明人 |
OISHI KAZUAKI |
分类号 |
H03C5/00;H03D5/00;H03K5/00 |
主分类号 |
H03C5/00 |
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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