该频率比较器包括一相位-频率检测器以及一比较模块。
The present invention comprises a phase and frequency comparator and a comparing module.
频率比较器比较基准时钟和输出时钟的频率，并输出频率比较信号。
A frequency comparator compares the frequency of a reference clock with that of an output clock and outputs a frequency comparison signal.
同样，performance调控器只在尽可能高的频率运行，您可以通过比较图中的实线看出这在电能消耗上导致多大的差异。
Again the performance governor only runs the highest available frequency, and you can see how great a difference this makes in power consumption by comparing the solid lines.
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