Re: [Clarification] Order of filter

[Marcus D. Leech]

On 12/08/2024 11:07, Steve Hageman wrote:
> One clarification - On Stacking the digital filters - the bandwidth 
> does not narrow - I misspoke. Naturally being a Hardware Guy I forgot 
> that the digital filters do no load each other, like analog filters can.
>
> (I should never type before two cups of coffee in the morning - 
> forgive me).  ;-)
Actually, considering the quick flow-graph below, using a 
complex-low-pass as a symmetric bandpass, you can see that
  doubling-up the same filter produces much more out-of-band 
attenuation, but also slightly-steeper "skirts".

filters.grc
Description: application/gnuradio-grc