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Most recent posts by "Steve Lampen"

Think 12G-SDI Over Coax Isn’t Possible? Think Again!
Blog Category: Broadcast AV

Posted by: Steve Lampen on October 07, 2016

Who decided that the magic distance for video cables today is 100m (328 feet)? Isn’t that the distance limitation of data cables like Category 5e, 6 or 6A? How does that apply to video cable?

Most broadcast and video installations use data cables. In fact, some professionals say that these applications will eventually consist solely of data cables. Right now, many installations have a hybrid design with both data and coax cables, so maybe it makes sense that coax cable follow the same rule.

Five years ago, we decided to create the first cable designed specifically to carry signals up to 100m for 3G-SDI, 1794A. This was a slightly larger cable than 1694A. Even back then, we knew that the next step for video cables would involve 4K. But would 12G-SDI signal transmission over coax cable ever be possible? Most people said no...

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A New Coax Cable Design (Part 1)
Blog Category: Broadcast AV

Posted by: Steve Lampen on March 01, 2017

Many thought it would be impossible to design a cable to transmit a 4K UHD 12GHz video signal on a single coaxial cable. In 2016, Belden designed the first cable that does just that. Upon first glance it’s hard to see what makes this cable different. It still looks like a coaxial cable. But what happens underneath the cable jacket is what truly makes a difference.

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Cable Braid Design: An Important Factor in New 4K Coax Cable
Blog Category: Data Centers

Posted by: Steve Lampen on April 21, 2017

As we said in a previous blog, there’s a revolution happening with 4K coax cable design. We outlined factors that set new 4K coax cable design apart (silver-coated copper center conductors, the insulation, polyethylene types and foil shields bonded to the core). Then we ended our post by promising to tell you about the last remaining factor that sets new 4K coax cable designs apart from the others: the cable braid in 12 GHz 4K design.

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Cable Braid Design: An Important Factor in New 4K Coax Cable (Part 2)
Blog Category: Broadcast AV

Posted by: Steve Lampen on April 21, 2017

As we said in a previous blog, there’s a revolution happening with 4K coax cable design. We outlined factors that set new 4K coax cable design apart (silver-coated copper center conductors, the insulation, polyethylene types and foil shields bonded to the core). Then we ended our post by promising to tell you about the last remaining factor that sets new 4K coax cable designs apart from the others: the cable braid in 12 GHz 4K design.

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