magnitude response

How can we compute the magnitude response of a complex equalizer (CE) after 
convergence ?
There is 4 fir filters in a CE !

Thanks

Tom 

Hello,

you could reduce it to a single equivalent filter and determine its |H(f)|


if the filters are in series: convolve the coefficients
if they are in parallel (unlikely, but I don't know your design): add the
coefficients.
The result is the equivalent filter as FIR, its coefficients are the
impulse response

Frequency response => Fourier transform of impulse response

Alternatively, send an impulse through your design.

Hope that's useful.

-Markus

On Aug 11, 1:49 am, "Tom" <tomda...@yahoo.com> wrote:
> How can we compute the magnitude response of a complex equalizer (CE) after
> convergence ?
> There is 4 fir filters in a CE !
>
> Thanks
>
> Tom

Use Matlad - it's an FIR filter.