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.

LMX2820: 电荷泵输出情况与无法正常锁定问题

Part Number: LMX2820

 您好,在使用LMX2820时,电荷泵的输出会出现如图所示的情况,无法检测到锁定,输出的频率也与我目标的有些差距,请问是什么问题呢,感谢您的回答。  另外我的环路滤波器与EVM板上一致,参考时钟信号为差分,Vpp=400mV。