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LMX2592锁相环锁定频率不准确

Other Parts Discussed in Thread: LMX2592

我现在用LMX2592锁相环来输出一个固定频率,锁相环的锁定指示灯亮,但是目标频率和实际的输出频率有几百KHz的偏差,这一般是什么原因导致的?

还有就是在使用ACAL-EN幅度校准的时候不能锁定的问题。

LMX2592数据手册上寄存器有错误,按手册上的寄存器地图来配置没办法锁定。用TICS-PRO软件上的寄存器值可以锁定。