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December 10th, 2011, 08:11 AM
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#16 |
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Inner Circle
Join Date: Dec 2002
Location: Augusta Georgia
Posts: 5,421
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Re: prob with nano
Dear Cees,
If you can post the manufacturer and part number of the BNC connector, then I will be happy to research it. While I am confident that the "whte ring" means that it is not true 75 ohms, we have a way to actually prove it. We have a very expensive test instrument in our lab. We could, with one of the cables, send a proper HD-SDI through it, then analyze the quality of the signal coming out of the other end. Of course, I realize that it is not practical for you to send a cable to us.
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Dan Keaton Augusta Georgia |
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December 17th, 2011, 02:52 PM
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#17 |
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Major Player
Join Date: Sep 2004
Location: York, North Yorkshire, England.
Posts: 472
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Re: prob with nano
Just to let Dan and everybody know i got 2 new cables and got to try one out today on a football match and had no problems so it seems it was the cable
many thanks to all
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Ian Thomas. Thomas Video Productions |
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December 17th, 2011, 08:53 PM
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#18 |
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Inner Circle
Join Date: Dec 2002
Location: Augusta Georgia
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Re: prob with nano
Dear Ian,
This is great news. Thank you for taking the time to report the solution to the problem.
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Dan Keaton Augusta Georgia |
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December 18th, 2011, 08:46 AM
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#19 | |
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Trustee
Join Date: Oct 2008
Location: Northern Ireland
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Re: prob with nano
Quote:
What about these, if you google B37P28J999X99 37528 Thanks. |
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December 18th, 2011, 09:05 AM
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#20 |
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Inner Circle
Join Date: Dec 2002
Location: Augusta Georgia
Posts: 5,421
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Re: prob with nano
Dear Anthony,
These items are listed as 75 Ohm, but they have the white plastic collar that is typical of 50 Ohm in the illustration. The wording could be wrong, the illustration could be wrong, or, of course, I could be wrong. nanoFlash.net sells 90 Degree True 75 Ohm BNC adapters. I know that these are 75 Ohms, and they do not have the white plastic collar. nanoFlash.net - HD-SDI Cables and Adapaters
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Dan Keaton Augusta Georgia |
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December 18th, 2011, 06:09 PM
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#21 |
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Major Player
Join Date: Jan 2010
Location: Tokyo
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Re: prob with nano
Dan wrong... ? I think not.. this is an impossible scenario ..
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December 19th, 2011, 10:51 AM
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#22 | |
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Trustee
Join Date: Oct 2008
Location: Northern Ireland
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Re: prob with nano
Quote:
Thanks Dan. |
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December 19th, 2011, 11:08 AM
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#23 |
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Trustee
Join Date: Oct 2008
Location: Northern Ireland
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Re: prob with nano
I have this HD-SDI cable Dan, is it a 50 Ohm cable?
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December 19th, 2011, 12:06 PM
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#24 |
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Regular Crew
Join Date: Nov 2008
Location: NYC
Posts: 121
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Re: prob with nano
Don't know about the cable :), but the connector is the correct 75 ohm type.
Billy |
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December 19th, 2011, 01:03 PM
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#25 | |
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Trustee
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Location: Northern Ireland
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Re: prob with nano
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Thank you. |
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December 20th, 2011, 07:41 AM
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#26 |
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Inner Circle
Join Date: Dec 2002
Location: Augusta Georgia
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Re: prob with nano
Dear Anthony,
Yes, that is a nice image of a 75 Ohm BNC connector.
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Dan Keaton Augusta Georgia |
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December 20th, 2011, 05:15 PM
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#27 |
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Trustee
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Re: prob with nano
Thanks Dan.
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