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AD9361 RFPLL loop filter tuning

Question asked by SuDhaMani on Oct 29, 2016
Latest reply on Dec 21, 2016 by Vinod

Hello,

 

I want to reduce the RFPLL loop filter bandwidth in my application that uses AD9361. But, I am unable to find out the actual values of the loop filter components C1 and C2 from the register 0x23E. If you can provide a table that maps C1[3:0] and C2[3:0] to the actual values just like other loop filter components (R1,C3,R3), I can use them to manipulate the loop filter bandwidth 

 

or

 

if you can provide me with any tool that helps me to tune the loop filter bandwidth of the RFPLL in the AD9361, it would be of great help.

 

Sudhamani

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