Re: reconstruction filter

"maxascent" <johnbean_uk@xxxxxxxxxxx> wrote in message
news:sNydnc7WcdM4k1neRVn-tg@xxxxxxxxxxxxxxx
>
> Hi
>
> I want to design a filter after a dac for a dds system. It will be a
> passive 9th order elliptic filter. Problem is I want to add a circuit to
> compensate for the sinx/x of the dac.

Wow, 9th order filter. That must end being pretty big.

You can pre-compensate for the sinx/x of the DAC in the digital data before
you send it out the DAC. That way, your output data will not have the sinx/x
distortion and you can avoid some analog headache in trying to create a
circuit.

>
> Thanks
>
> Jon


.

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