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AGC on the 25xx

Other Parts Discussed in Thread: CC2511

Hello ,

 I'm using the EVK of the CC2511 at 500kb/s  and I measure the BER compare to the attenutation ( this is doing by using a spectrum meter + some attenuator ).see below the picture :

when the attenuation is above -40 ( -30, -20) the BER increase rapidly.  This can happen when two products are closed.

My question is :

How I can use the AGC register to ajuste the LNA compare to the input power . i.e when the input power is high decrease the LNA and when the input power is low ingrease the LNA gain .

Is it possible that the CC2511 adjust by itself the LNA gain ?

 

I hope I'm clear in my question , it is not easy to explain.

David