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    • 5. 发明授权
    • Compensating for differences between clock signals
    • 补偿时钟信号之间的差异
    • US06873195B2
    • 2005-03-29
    • US09935209
    • 2001-08-22
    • Paul DormitzerWillem EngelseRaymond Robidoux
    • Paul DormitzerWillem EngelseRaymond Robidoux
    • H03K5/00H03L7/00H03L7/06H04L7/00H04L7/033
    • H03L7/06H04L7/0008
    • A clock compensation circuit is provided. The circuit comprises a clock synchronization circuit coupled to receive an input clock signal, wherein the clock synchronization circuit generates a master clock signal and produces a plurality of internal logic clock signals. The circuit further comprises a phase comparator coupled to receive one of the plurality of internal logic clock signals and a sample clock from an associated receiver, wherein the phase comparator generates a control signal based on a phase comparison between the sample clock and the one of the plurality of internal logic clock signals and a down converter channel coupled to receive each of the plurality of internal logic clock signals and the control signal and to pass data in phase with the sample clock using the internal logic clock signal based on the control signal.
    • 提供时钟补偿电路。 该电路包括耦合以接收输入时钟信号的时钟同步电路,其中时钟同步电路产生主时钟信号并产生多个内部逻辑时钟信号。 电路还包括相位比较器,其被耦合以从相关接收器接收多个内部逻辑时钟信号中的一个和采样时钟,其中相位比较器基于采样时钟与采样时钟之间的相位比较产生控制信号 多个内部逻辑时钟信号和下变换器通道,其耦合以接收所述多个内部逻辑时钟信号中的每一个和所述控制信号,并且使用所述内部逻辑时钟信号基于所述控制信号将与所述采样时钟同相的数据传送。