Johannes Stezenbach wrote:
My understanding is that dish network and thus the genpix
card have nothing to do with DVB-S2, but are just a
proprietary extension which adds 8PSK modulation to DVB-S.
Yes, you are right i think.
As i heard most Dish network people have this device. All it depends is
on 8PSK modulation, looking at the the Broadcom specs
(http://www.broadcom.com/collateral/pb/4500-PB06-R.pdf) It doesn't say
anywhere that it is a DVB-S2 supported device, in fact, but just says
that it supports DVB/DIRECTV/Digicipher II and that it supports
BPSK/QPSK/8PSK/16QAM modulations. The many parts of the DVB-S2
demodulator seem to be missing out in that Block Diagram, for example
the PL descrambling etc which DVB-S2 makes use of.
That was a conclusion that i came about, but as it is just a product
brief, there is a possibility that i could be wrong as well.
Manu
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