16APSK / 32APSK / Constellation diagrams

[Andrew Hakman]

Hi

I see the constellation diagrams in the wiki for the 16APSK / 32APSK
support on the STV0900A based cards. How were these constellation
diagrams produced? Is there any source kicking around for this?

I would like to be able to give a frequency and symbolrate, and get a
similar constellation diagram back (in quasi realtime?), obviously
using a STV0900A based card. I know there's a windows program that
does this (crazyscan) but it would be nice to be able to do it in
linux. I don't expect any polished programs, but any source that shows
how to do this (i.e. get raw I and Q data from the card) would be very
handy.

Thanks,
Andrew
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16APSK/32APSK

[Abylai Ospan]

Hello,

We have tested 16APSK/32APSK on STV0900A. Small experimental change set
created. 16APSK 2/3 (TS bit rate is 70Mbps) works fine:
http://udev.netup.ru/cgi-bin/hgwebdir.cgi/v4l-dvb-aospan-stv0900aac

Description added to linuxtv wiki:
http://linuxtv.org/wiki/index.php/STMicroelectronics_STV0900A_16APSK_32APSK

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Abylai Ospan aos...@netup.ru
NetUP Inc.

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