Do you mean getting the IQ samples? On the SiLabs EFR32 chips that's possible and well documented. I've created an on-chip mono FM radio receiver, and working o

Do you mean getting the IQ samples? On the SiLabs EFR32 chips that's possible and well documented. I've created an on-chip mono FM radio receiver, and working on getting stereo. I'd recommend the EFR32xG23 if you would like to give it a go.