Is it any direct way or a work around in order to control/supply AD9361 VCO (and/or) PLLs power supply ?
AD9361 , VCO power supply is provided by internal LDO and only decoupling circuit is provided outside. Intenal LDO's can be controlled by power down override registers.
What is the application or need for providing external power supply to VCO ?
But what meaning does it have to get a decoupling circuit while the VCO voltage is something internal via LDO?
How can it be useful for me, as a user?
In Eval board since there are no other circuits (digital or power) the power supply is cleaner. If customer is seeing an issue on actual board with power supply lines , he can use this option to optimize the filtering , if required.
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