This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

LMK04828 clk时钟频谱上有sysref频谱信号

Other Parts Discussed in Thread: LMK04828

我在分析ADC采集数据的频谱上发现输入信号频谱内混有疑似sysref频率的频谱,但是查了很多资料并没有发现太多问题,最后在看时钟源LMK04828的时候发现LMK04828的EVM板上的PLL的供电方案,跟ADC12JXXXXEVM板上的PLL的供电方案不一样,是否可能因为PLL的电源没处理好,导致sysref信号耦合到CLK上了?