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HMC7044 PLL2

Question asked by etseng66 on Oct 26, 2016
Latest reply on Dec 20, 2016 by stephensdsp

I am using HMC7044, PLL1 is disabled , just want to use PLL2 as frequency double and divider on some output

 

here is my configuration 

 

OSCIN = 312.5Mhz

 

I want clkout0 is 2500Mhz

I try only configure PLL2, but it does not work, the output always stuck on max freuency.

 

or I should feed clock to CLKIN0 instead?

 

Regards

Eric

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