Twinhan and 8PSK?

[ksmithtwn]

Hi folks,

I am wondering if it is possible to receive 8PSK signals with a Twinhan 1020a card.

I would like to receive NBC Weather Plus on AMC 1, and I noticed it was as follow:

12000 H | NBC Weather Plus | DVB - 8PSK | 28755-2/3

Do I need special codecs to receive this, or does this card over all not support this?

 

[vfrjim]

Do I need special codecs to receive this, or does this card over all not support this?

no it will not work, you need a card that does dvb-s2 8psk

also, not sure if it is still at that location

 

[satcom1]

That is a function of the codec and not the card. The Conexant chip set on the card will do what the software tells it to do. 4.2.2 8PSK etc....

 

[TheKrell]

You sure about that satcom1? I also have a Twinhan 1025, but I have never gotten it to show me a single HD channel. (I only have dishes aimed at Dish Network satellites at present, so maybe it's their Turbo 8PSK that is to blame.)

 

[photoman76]

Hi folks,

I am wondering if it is possible to receive 8PSK signals with a Twinhan 1020a card.

I would like to receive NBC Weather Plus on AMC 1, and I noticed it was as follow:

12000 H | NBC Weather Plus | DVB - 8PSK | 28755-2/3

Do I need special codecs to receive this, or does this card over all not support this?

The Twinhan 1020a will not be able to lock this signal. DVB-S2 cards will not be able to lock this signal either. The signal is DVB 8psk also known as 8psk Trellis. You would need a commercial receiver that does 8psk Trellis to receive it.

 

[satcom1]

I get hd 4.2.2 and dvbs-2 aswell as 8psk with my 1025, ProgDVB and elecard codecs. ITS THE CODECS!

 

[jerryt]

Twinhan can not do 8PSK, no matter what software.

 

[ksmithtwn]

With this card, I have been able to receive HD before, does this count?

 

[Anole]

I'm rusty, but as best I remember:

Not all HiDef is 8psk.
So, getting HD on a Twinhan should be possible. - I have.

8psk has nothing to do with the codec.
Codecs have to do with mpeg4, mpeg2, 4:2:0, and 4:2:2

The card either does 8psk in hardware, or maybe turbo 8psk, or none of the above (older Twinhan cards)
As far as I know, the turbo is only used by Dish Network.
But, if you start talking turbo, you're likely going to get thrown off the forum. -

As for what the weather uses, I'm sure you can search and find out, but I wouldn't venture a guess.

 

[pokerplayer_]

I get hd 4.2.2 and dvbs-2 aswell as 8psk with my 1025, ProgDVB and elecard codecs. ITS THE CODECS!

Sorry to dissapoint, but there is no card on the market that can do 8psk at this time.

Looking at the specs of the twinhan 1025 it does NOT appear that it can demodulate dvb-s2, so perhaps you have a different card for s2 signals?

[B]QPSK & FEC[/B] • Symbol rate: 2~45 Msps 
           • Punctured Codes: 1/2,2/3,3/4,5/6,7/8 and Auto

Paul

 

[Smith P.]

I get hd 4.2.2 and dvbs-2 aswell as 8psk with my 1025, ProgDVB and elecard codecs. ITS THE CODECS!

Your SOFTWARE codecs might do H.264/MPEG-2 or 4.2.2, but
HARDWARE must hanlde DVB-S, DVB-S2, QPSK, 8PSK signaling and Turbo Code, Trellis Code, Viterbi RS FEC processing.

[Better not insist on your own mistake ]

 

[pokey31]

Sorry to dissapoint, but there is no card on the market that can do 8psk at this time.

I could be wrong but the technotrend 3200 will. However, I'm not sure if it's available in North America.

 

[brentb636]

I think some of the confusion is that DVB-s 8psk is a different animal from DVB-s2 8psk . The TT s2-3200 and s2-3600 do 8psk on DVB-s2 , but the specs on DVB-s DO NOT include 8psk modulation.

 

[Smith P.]

I think some of the confusion is that DVB-s 8psk is a different animal from DVB-s2 8psk . The TT s2-3200 and s2-3600 do 8psk on DVB-s2 , but the specs on DVB-s DO NOT include 8psk modulation.

Sorry, but before say something like that you must start reading DVB-S specs and do not post NONSENSE !

ETSI EN 300 468 468 V1.6.1 (2004-11), page 41, Table 38 of chapter 6.2.13.2 Satellite Delivery system descriptor, Modulation Scheme for satellite:
modulation bit 43210: 00010 - 8PSK.

 

[brentb636]

Sorry, but before say something like that you must start reading DVB-S specs and do not post NONSENSE !

ETSI EN 300 468 468 V1.6.1 (2004-11), page 41, Table 38 of chapter 6.2.13.2 Satellite Delivery system descriptor, Modulation Scheme for satellite:
modulation bit 43210: 00010 - 8PSK.

The specs of the Technotrend s2-3200 and s2-3600 DO NOT include 8psk as an option in the DVB-S section. Sorry for YOUR confusion . I've been a tech for 30 years and I'm not confused. I could have been clearer, and you could have been more diplomatic.

 

[Smith P.]

OK.

Anyway, DVB-S and DVB-S2 specs both includes 8PSK modulation. It's up to manufacturer make a card what will support QPSK, 8PSK or both.

 

[JohnH]

Duh. In DVB-S it is DVB-SNG which includes 8PSK, not plain ole DVB-S.

Anyhow the Twinhan 1020A will not do 8PSK, but it will do DSS.

 

[Smith P.]

Perhaps you missed the discussion, but all posts above stated that already .
TH1020A will not get that mux in OP question.