Re: [Discuss-gnuradio] ADC questions

[Eric Blossom]

On Tue, Sep 23, 2008 at 10:08:02PM +0200, Sebastiaan Heunis wrote:
> 
> I just don't know how the rx_dcoffset part works.  I don't know where
> in the c++ or Python code the FR_ADC_OFFSET registers get written, so
> I can't follow it that well.  Does this remove a DC offset introduced
> by the ADC chip?

We generally don't use the FR_ADC_OFFSET registers since the real
offset is f(temperature).  Instead we compute an approximation to the
DC offset and subtract it from the samples.

Eric