Inputs and outputs are provided for bringing in and outputting precision reference clock signals.
可以提供输入及输出用于引入及输出精确参考时钟信号。
Compared with conventional circuits, the recovered parallel data is bit-synchronous, and the reference clock is avoided.
与传统并行数据恢复电路相比，该电路不需要本地参考时钟，并且恢复出的并行数据是位同步的。
A phase comparator compares the phase of the reference clock with that of the output clock and outputs a phase comparison signal.
相位比较器比较基准时钟和输出时钟的相位，并输出相位比较信号。
A phase frequency detector compares a reference clock signal to a feedback clock signal to generate pulses in one or more output signals.
相位频率检测器比较基准时钟信号和反馈时钟信号从而在一个或更多个输出信号中生成脉冲。
A frequency comparator compares the frequency of a reference clock with that of an output clock and outputs a frequency comparison signal.
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。
Based on pulse counting principle, the high precision time interval can be obtained by measuring the number of the high-frequency reference clock through it.
设计了一种高精度时间间隔测量模块，该模块由单片机控制，采用脉冲计数原理，通过测量时间间隔内高频参考时钟个数，得到被测时间间隔的精确值。
Single frequency source is usually used as local oscillator in communication system and radar system, also as a reference clock in digital circuits, so it is a extensive-applied technique.
固定频率源可以在在通讯系统和雷达系统中作为本机振荡器，也可以作为数字电路的基准时钟信号，因此得到了广泛的应用。
Single frequency source is usually used as local oscillator in communication system and radar system, also as a reference clock in digital circuits, so it is a extensive-applied technique.
固定频率源可以在在通讯系统和雷达系统中作为本机振荡器，也可以作为数字电路的基准时钟信号，因此得到了广泛的应用。
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