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分析了锁相频率源锁相环路各环节对输出噪声的影响,并在此基础上研制成一个具有较低相位噪声的分频锁相源,对测试结果进行了详细的分析和对比。
The influence of each phase of the phase-locked loop on the output noise is analyzed. Based on this, a phase-locked PLL with a lower phase noise is developed and the test results are analyzed and compared in detail.