[opendtv] Re: HD-SDI connecting length

  • From: Ron Economos <w6rz@xxxxxxxxxxx>
  • To: opendtv@xxxxxxxxxxxxx
  • Date: Mon, 08 Dec 2014 11:23:26 -0800

Belden rates the maximum length for HD-SDI and 3G-SDI to be 20 dB loss at
1/2 the clock frequency.

The very best cable seems to be 7731A (RG-11/U 0.4 inch diameter),
which is good for 580 feet with HD-SDI and 393 feet with 3G-SDI.

http://www.belden.com/resourcecenter/tools/upload/TB65_p28.pdf

Ron

On 12/08/2014 10:44 AM, Mike Tsinberg wrote:


Thanks Mark,

What is the state of the art today?

Best Regards,

Mike Tsinberg

http://keydigital.com <http://keydigital.com/>
*From:*opendtv-bounce@xxxxxxxxxxxxx [mailto:opendtv-bounce@xxxxxxxxxxxxx] *On Behalf Of *Mark Schubin 
*Sent:* Monday, December 08, 2014 1:44 PM
*To:* opendtv@xxxxxxxxxxxxx
*Subject:* [opendtv] Re: HD-SDI connecting length
It depends on the cable -- but expect "A MAJOR ANNOUNCEMENT" from Belden at the HPA Tech Retreat in February. 

TTFN,
Mark

On 12/8/2014 1:10 PM, Mike Tsinberg wrote:

    What is practical length that HD-SDI can connect for
    1080p/12bit/4:2:2/60, 4K/10bit/4:2:2/24 and 4K/8bit/4:2:0/60?

    Best Regards,

    Mike Tsinberg

    http://keydigital.com <http://keydigital.com/>

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