On Wed, Jul 8, 2009 at 10:00, Brian Padalino<bpadal...@gmail.com> wrote:

>> What am I missing ??
>
> Decimation and Interpolation using CIC filters causes bit-growth which
> is only marginally compensated for using bit-shifts.
>
> Moreover, CORDIC mixing causes bit-growth in the output vector as well.

In other words, the samples arriving at the host are not the samples
coming out of the ADC.

Johnathan


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