当PFD在锁定模式中不生成脉冲时，电荷泵不提供电荷给环路滤波器。

When the PFD does not generate pulses in lock mode, the charge pump does not provide charge to the loop filter.

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当PFD在锁定模式中不生成脉冲时，电荷泵不提供电荷给环路滤波器。

When the PFD does not generate pulses in lock mode, the charge pump does not provide charge to the loop filter.

youdao