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Re: Tuning below 950MHz

crazycat Wrote:specific LOF freq limits for C-band and Ka-band LNB, used for IF Freq calculation:

Thanks once more
by Dave7
Sun Mar 27, 2016 6:08 pm
 
Forum: Professional PCIe DVB-S2 Dual Tuner Card TBS6983
Topic: Tuning below 950MHz
Replies: 14
Views: 17173

Re: TBS6983 works only from 144MHz up to 1999MHz (win driver

Rhode and Schwarz SMIQ03 for testing all frequencies from 100 MHz up to 3 GHz) What setting do you use on the SMIQ? Is it possible to get a DVB-S like signal using the internal IQ generator? - my TBS6983 can receive from 144 MHz up to 1999 MHz impossible to receive above 2000 MHz >> The Datasheet s...
by Dave7
Fri Mar 25, 2016 6:38 pm
 
Forum: Professional PCIe DVB-S2 Dual Tuner Card TBS6983
Topic: TBS6983 works only from 144MHz up to 1999MHz (win driver)
Replies: 3
Views: 6494

Re: Tuning below 950MHz

Crazycat, many thanks and for your software.
This may be obvious but how do the LNBmid and LNBStk parameters work?
by Dave7
Fri Mar 25, 2016 6:10 pm
 
Forum: Professional PCIe DVB-S2 Dual Tuner Card TBS6983
Topic: Tuning below 950MHz
Replies: 14
Views: 17173

Re: Tuning below 950MHz

Thanks to Davin from support. Apparently the driver supports <950MHz:
"Our chip and driver all can support you input the frequency that less than 950MHZ. but i think many software limits the frequency input range(950M~2150M)."
Is there any Windows s/w that allows tuning below 950MHz?
by Dave7
Fri Mar 11, 2016 9:43 pm
 
Forum: Professional PCIe DVB-S2 Dual Tuner Card TBS6983
Topic: Tuning below 950MHz
Replies: 14
Views: 17173

Re: Tuning below 950MHz

You can use my open source drivers to do so. TBS could maybe change it to, it's a simple setting UDL Many thanks. I found references to 250MHz in your code when I did a search but I'm a Linux noob. I went through the postings on Rick's forum but ended up a bit confused. Is there and idiots guide? I...
by Dave7
Sun Mar 06, 2016 7:26 pm
 
Forum: Professional PCIe DVB-S2 Dual Tuner Card TBS6983
Topic: Tuning below 950MHz
Replies: 14
Views: 17173

Tuning below 950MHz

Hi,
The STV6120 data says it works from 250-2150MHz. Crazyscan, TBS etc will not allow <950MHz Is there any way to get the TBS6983 to tune below 950MHz?
by Dave7
Fri Mar 04, 2016 6:01 pm
 
Forum: Professional PCIe DVB-S2 Dual Tuner Card TBS6983
Topic: Tuning below 950MHz
Replies: 14
Views: 17173

Re: TBS6983 16 & 32APSK problems

satesco, many thanks for the explanation. It is much clearer now and I understand what Crazyscan has been telling me. I have been away from sat tv for a few years and things have moved on! I finally found an APSK signal that worked, a feed on 8W, so the card itself seems to be fine. (The frequency e...
by Dave7
Mon Jan 11, 2016 2:07 am
 
Forum: Professional PCIe DVB-S2 Dual Tuner Card TBS6983
Topic: TBS6983 16 & 32APSK problems
Replies: 13
Views: 23321

Re: TBS6983 16 & 32APSK problems

Hi Steven,

Thanks. I did find a TP that gave occasional bursts of audio on VLC via Crazyscan but I didn't have time to capture much. It was 24.5W 11058V 24354ks/s 3/4 FEC 32APSK ACM SNR=14.4dB Bit rate=90.6Mb/s MIS=1

Best regards
by Dave7
Fri Jan 08, 2016 6:59 pm
 
Forum: Professional PCIe DVB-S2 Dual Tuner Card TBS6983
Topic: TBS6983 16 & 32APSK problems
Replies: 13
Views: 23321

Re: TBS6983 16 & 32APSK problems

Hi Steven, Thanks for the reply. With an SNR of 19dB (on the 12605 TP which should have been a OB feed) I would have expected to get good data. I found this example of someone getting a good result from an SNR <10dB and a worse looking constellation: https://www.satellites.co.uk/forums/threads/16-32...
by Dave7
Fri Jan 08, 2016 2:03 am
 
Forum: Professional PCIe DVB-S2 Dual Tuner Card TBS6983
Topic: TBS6983 16 & 32APSK problems
Replies: 13
Views: 23321

TBS6983 16 & 32APSK problems

I'm using a TBS6983 with the v 1.0.0.7 windows driver on Win 7 64 bit with Crazycat 1.0.2.123 and EBSpro v 13.2.0.1 but have yet to be able to receive anything on APSK. It may be that I have not found a transponder with video or audio. It works with other modulation types. I have noticed that the mo...
by Dave7
Wed Jan 06, 2016 4:47 am
 
Forum: Professional PCIe DVB-S2 Dual Tuner Card TBS6983
Topic: TBS6983 16 & 32APSK problems
Replies: 13
Views: 23321

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