CP输出在无参考时钟输入时为0，有参考时钟输入时为3.3，怎么改变程序都无变化。测试MAXOUT 的GND ，DVDD，R分频 ，R/2分频，N/2分频都正确，但是N分频无输出；回路的RF信号功率在RFin的范围内。
请问问题出在哪里？怎么解决？
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