The user inquired about the recommended value for L4 in the AD9912 crystal oscillator filter circuit, noting that the evaluation board schematic only provided values for C84 and C21. The final answer indicated that the question is assumed answered, and an accompanying answer mentioned that L4 is optional and can be omitted. The user is using a 50 MHz crystal.
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大家好，我想问一下AD9912使用晶振模式后晶振引脚的那个带阻滤波器的问题，用户手册上说“Refer to the evaluation board schematic for recommended values of C84, C21, and L4.” 可是上面只有前两个电容的值，L4的值根本没有，不知道有没有推荐值
