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    • 5. 发明授权
    • Apparatus for providing system clock synchronized to a network universally
    • 用于提供与网络普遍同步的系统时钟的装置
    • US07308062B2
    • 2007-12-11
    • US10927412
    • 2004-08-25
    • Bheom Soon JooJae Jeong LeeHae Won JungYoung Sun Kim
    • Bheom Soon JooJae Jeong LeeHae Won JungYoung Sun Kim
    • H04L7/00
    • H04L7/0012
    • Provided is an apparatus for providing a system clock synchronized to a network universally. The apparatus includes a network synchronization reference signal generating unit that outputs a reference signal for network synchronization; a network synchronization controller that generates a first control voltage that allows a first clock pulse to be in synchronization with the reference signal for network synchronization; an OVCXO that generates the first clock pulse by application of the first control voltage; a system synchronization reference signal generator that generates reference signals for system synchronization; a system synchronization controller that generates a second control voltage that allows the system clock to be in synchronization with the reference signal for system synchronization; a VCO that generates a second clock pulse by application of the second control voltage; and a system clock generator that outputs the system clock. Accordingly, it is possible to apply to systems requiring network synchronization.
    • 提供了一种用于提供与网络普遍同步的系统时钟的装置。 该装置包括:网络同步参考信号生成单元,输出用于网络同步的参考信号; 网络同步控制器,其产生允许第一时钟脉冲与用于网络同步的参考信号同步的第一控制电压; OVCXO,其通过施加第一控制电压产生第一时钟脉冲; 产生用于系统同步的参考信号的系统同步参考信号发生器; 系统同步控制器,其产生允许系统时钟与用于系统同步的参考信号同步的第二控制电压; VCO,其通过施加第二控制电压产生第二时钟脉冲; 以及输出系统时钟的系统时钟发生器。 因此,可以应用于需要网络同步的系统。
    • 6. 发明申请
    • Apparatus for providing system clock synchronized to a network universally
    • 用于提供与网络普遍同步的系统时钟的装置
    • US20050135530A1
    • 2005-06-23
    • US10927412
    • 2004-08-25
    • Bheom Soon JooJae Jeong LeeHae Won JungYoung Sun Kim
    • Bheom Soon JooJae Jeong LeeHae Won JungYoung Sun Kim
    • H03D3/24H04L7/00
    • H04L7/0012
    • Provided is an apparatus for providing a system clock synchronized to a network universally. The apparatus includes a network synchronization reference signal generating unit that outputs a reference signal for network synchronization; a network synchronization controller that generates a first control voltage that allows a first clock pulse to be in synchronization with the reference signal for network synchronization; an OVCXO that generates the first clock pulse by application of the first control voltage; a system synchronization reference signal generator that generates reference signals for system synchronization; a system synchronization controller that generates a second control voltage that allows the system clock to be in synchronization with the reference signal for system synchronization; a VCO that generates a second clock pulse by application of the second control voltage; and a system clock generator that outputs the system clock. Accordingly, it is possible to apply to systems requiring network synchronization.
    • 提供了一种用于提供与网络普遍同步的系统时钟的装置。 该装置包括:网络同步参考信号生成单元,输出用于网络同步的参考信号; 网络同步控制器,其产生允许第一时钟脉冲与用于网络同步的参考信号同步的第一控制电压; OVCXO,其通过施加第一控制电压产生第一时钟脉冲; 产生用于系统同步的参考信号的系统同步参考信号发生器; 系统同步控制器,其产生允许系统时钟与用于系统同步的参考信号同步的第二控制电压; VCO,其通过施加第二控制电压产生第二时钟脉冲; 以及输出系统时钟的系统时钟发生器。 因此,可以应用于需要网络同步的系统。