Re: Is there something similar to the zero-span of spectrum analyzers in gnuradio?

Just use a Qt GUI time sink with a complex to magnitude block ahead of it.

Ron

On 12/19/22 07:18, Juan Antonio wrote:
> I must be very confused on this topic.
>
> I understood that the zero-span function in an analyzer meant that the
> span was reduced to the maximum and, from there, what you saw on the
> screen was the baseband in the time domain.
>
> I know I could try it with a filter with a few hertz of bandwidth but
> I can't really understand how filters work and that's why I was
> looking for a simpler method.