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Apparatus and method for automatic search of sub-sampling phase locked loop (SS-PLL) locking acquisition
Apparatus and method for automatic search of sub-sampling phase locked loop (SS-PLL) locking acquisition
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机译:用于自动搜索子采样锁相环(SS-PLL)锁定采集的装置和方法
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摘要
An apparatus and method are provided. The apparatus includes a phase locked loop (PLL) configured to generate a reference signal; a sub-sampling PLL (SS-PLL) connected to the PLL and configured to sub-sample the reference signal; and a first pre-charge circuit connected to the SS-PLL and configured to allow an output voltage of the SS-PLL to transition to an operating voltage to indicate that a difference between two voltage inputs is zero on average.
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