Hello Itsik,

var_mode_en bit should not affect the output power. In the screenshots in your first post, the frequency of low output are different. Are these measurement from the same board with only changing the var_mode_en setting? Is there any other…

I have tested it with ADF4372 and it really works, thank you!

Hi Chris,

Is it possible that you are around the measurement limits of your signal source analyzer? 

Kudret

You're welcome, thanks for cooperation. I hope this info will be usefull for other people too.

Michal

Hi Javi,

Here is my email:

chris.gorman@arrow.com reach out directly and I will send you the code.

Regards,

Chris

Hi,

Unfortunately, ADF4371 does not have a built-in frequency sweep functionality. What you can do is to calculate feedback divider values (INT, FRAC1,FRAC2,MOD2) for a given PFD frequency and write to part for each desired frequency. You can enable SPI…

Hi,

You need to set intended charge pump current manually, autocal does not change charge pump current. The charge pump current that you set is used to keep the loop locked. 

Autocalibration picks the correct core, band and bias values according to the…