Phase lock loop, voltage controlled oscillator of

专利名称：Phase lock loop, voltage controlled

oscillator of the phase lock loop, andmethod of operating the voltage controlledoscillator

发明人：Matt Li,Min-Shueh Yuan,Chih-Hsien Chang申请号：US14605409申请日：20150126公开号：US09450588B2公开日：20160920

专利附图：

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. TheVCO further includes a voltage-to-current converter comprising a plurality of currentsources which are configured to generate a current signal in response to the plurality ofcompensation control signals. Additionally, the VCO includes a plurality of switchingcircuits, each of the plurality of switching circuits being configured to selectively enableor disable a corresponding one of the plurality of current sources in response to acorresponding one of the plurality of compensation control signals. Furthermore, theVCO includes a current controlled oscillator configured to generate an oscillating signalin response to the current signal.

申请人：TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.

地址：Hsinchu TW

国籍：TW

代理机构：Hauptman Ham, LLP

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