I don't think ATV folks care all that much about a little carrier leak,
considering that it's supposed to be vestigal sideband anyway. For
narrow-band digital voice it was a real concern.

On Fri, Feb 2, 2018 at 12:06 PM, Steve <coupaydevi...@gmail.com> wrote:

> I noticed that the Digital Amateur TV guys used a ADRF6755 chip, and
> they seem to have very little problems with IQ, other than expense. It
> is driven by a AD9767 DAC and USB. But it looks like that project is
> end-of-life.
>
> The replacement is going to be released soon. The
> MiniTiuouner-Express. Don't know what chips it's going to use. I'm
> currently using a ADALM-PLUTO for SDR and GNU Radio, but should be
> getting a mini-Lime SDR this month.
>
> The price of these boards is about $150. So it would be cheaper to
> just buy a nice used VHF SSB radio :-)
>
> Won't get Hams to that $100 VHF 10 Watt 2 kHz BW mythical radio...
>
>
> On Fri, Feb 2, 2018 at 1:09 PM, Bruce Perens <br...@perens.com> wrote:
> > Having built an I/Q modulator in hardware, I don't suggest that you go
> from
> > the digital to the analog domain as I/Q if you can avoid it. It's
> difficult
> > to keep the modulator in balance.
>
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