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PHASE LOCK LOOP, VOLTAGE CONTROLLED OSCILLATOR OF THE PHASE LOCK LOOP, AND METHOD OF OPERATING THE VOLTAGE CONTROLLED OSCILLATOR
PHASE LOCK LOOP, VOLTAGE CONTROLLED OSCILLATOR OF THE PHASE LOCK LOOP, AND METHOD OF OPERATING THE VOLTAGE CONTROLLED OSCILLATOR
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机译:锁相环,锁相环的电压控制振荡器以及操作该电压控制振荡器的方法
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摘要
A voltage controlled oscillator (VCO) includes a sensing circuit, where the sensing circuit is configured to generate a plurality of compensation control signals. The VCO further includes a voltage-to-current converter comprising a plurality of current sources which are configured to generate a current signal in response to the plurality of compensation control signals. Additionally, the VCO includes a plurality of switching circuits, each of the plurality of switching circuits being configured to selectively enable or disable a corresponding one of the plurality of current sources in response to a corresponding one of the plurality of compensation control signals. Furthermore, the VCO includes a current controlled oscillator configured to generate an oscillating signal in response to the current signal.
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