论文部分内容阅读
介绍了一种具有很高频率和相位稳定度的 SDH设备时钟的构成及设计原理 ,并给出了有关的测试结果 ,测试结果表明 ,该 SDH设备时钟对时钟基准具有很好的跟踪特性。
The composition and design principle of an SDH device clock with high frequency and phase stability are introduced. The related test results are also given. The test results show that the SDH device clock has a good tracking performance on the clock reference.