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AD9528 BOTH PLL1 and PLL2 can not be lock。

Question asked by liudejie on Dec 29, 2017

Hello, Our AD9528 can ock neither PLL1 nor PLL2, I try to read the device status ,it looks the both REFA AND REFB is already detected。

I configure with ADIsimCLK,and the configuration value is like below, while the biggest loopfilter bandwith is 200Hz,why?