On Sat, Apr 18, 2020 at 7:06 PM David Hagood <david.hag...@gmail.com> wrote:

> I noticed that the version of GnuRadio that is released in Ubuntu
> 20.04 has a real-in/Complex out Hilbert block, which is great for
> modulating SSB. But it lacks a complex-in/complex-out Hilbert for doing the
> demodulation side. Is there any package with the complex/complex form of
> the Hilbert? Or has anybody given thought to having an option in the
> Hilbert module for doing complex in?
>

I'm not familiar with what a complex-in Hilbert block would do, but you can
easily demodulate SSB using a bandpass filter — use the block
gnuradio.filter.fir_filter_ccc,
and gnuradio.filter.firdes.complex_band_pass to design the filter, with
your choice of lower and upper audio frequency limits.

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