| A High-Speed Dual Modulus Prescaler Using 0.25 μm CMOS Technology |
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| 引用本文： | 杨文荣,曹家麟,冉峰,王健.A High-Speed Dual Modulus Prescaler Using 0.25 μm CMOS Technology[J].上海大学学报(英文版),2004(3). |
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| 作者姓名： | 杨文荣 曹家麟 冉峰 王健 |
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| 作者单位： | Microelectronic Research and Development Center，Shanghai University，Shanghai 200072，P.R. China，Microelectronic Research and Development Center，Shanghai University，Shanghai 200072，P.R. China，Microelectronic Research and Development Center，Shanghai University，Shanghai 200072，P.R. China，Microelectronic Research and Development Center，Shanghai University，Shanghai 200072，P.R. China |
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| 基金项目： | ProjectsupportedbytheApplicationMaterialsFoundationofShanghai (GrantNo . 0 113 ) |
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| 摘 要： | 1 Introduction Dual modulusprescalerisacriticalbuildingblockinthefraction Nfrequencysynthesizerbasedonphase lockedloop (PLL) .InaPLLcircuit ,thehighfre quencyoutputofvoltage controlledoscillator (VCO)isdirectlyfedtotheprescaler .Accordingly ,theVCOandprescalerbecomelimitingfactorsindeterminingtheoperatingspeedofafrequencysynthesizer .ForaGHz rangefrequencysynthesizer ,thesetwoblocksareoftenbuiltwithSi bipolarorGaAstechnolo gies1 3] ,whileotherblocksarebasedontheCMOStechnology ,whic…
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