发明名称 |
Radio-frequency communication apparatus and associated methods |
摘要 |
A voltage-controlled oscillator (VCO) generates an output signal with adjustable frequency. The VCO circuitry includes a variable capacitor circuitry and a voltage-generator circuitry. In response to a plurality of control signals, the variable capacitor circuitry adjusts the frequency of an output signal of the VCO circuitry. The voltage-generator circuitry generates the plurality of control signals and provides them to the variable capacitor circuitry. The voltage level of each of the plurality of the control signals differs by an offset voltage from the voltage level of the remaining signals in the plurality of signals.
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申请公布号 |
US2003003887(A1) |
申请公布日期 |
2003.01.02 |
申请号 |
US20020075094 |
申请日期 |
2002.02.13 |
申请人 |
LIM LYSANDER;WANG CAIYI;WELLAND DAVID R.;KERTH DONALD A.;BEHRENS RICHARD T.;SCOTT JEFFREY W.;VISHAKHADATTA G. DIWAKAR;TUTTLE G. TYSON;SRINIVASAN VISHNU S. |
发明人 |
LIM LYSANDER;WANG CAIYI;WELLAND DAVID R.;KERTH DONALD A.;BEHRENS RICHARD T.;SCOTT JEFFREY W.;VISHAKHADATTA G. DIWAKAR;TUTTLE G. TYSON;SRINIVASAN VISHNU S. |
分类号 |
H03L7/085;H03L7/087;H03L7/091;H03L7/099;H03L7/187;H03L7/199;H03L7/23;H04B1/28;H04B1/40;H04B15/02;H04B15/04;(IPC1-7):H04B1/00 |
主分类号 |
H03L7/085 |
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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