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Atlas Element 18G HDMI Cable with Ethernet
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Atlas Element 18G HDMI Cable with EthernetAtlas Element 18G HDMI Cable with EthernetAtlas Element 18G HDMI Cable with Ethernet

Atlas Element 18G HDMI Cable with Ethernet

£39.95   
£33.29 Exc. VAT |  
  

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Length:  

 

Atlas Element 18G HDMI Cable with Ethernet

'Building upon the success of the 2nd generation Atlas Element 4k HDMI we wanted to introduce a new model that could deliver the full bandwidth requirements of HDMI 2.0a - 18Gbps but over extended lengths.'

The new Element 18G HDMI has been designed from the bottom up to deliver industry-leading digital bandwidth to allow the full unimpeded 18Gbps signal capability of the HDMI 2.0a specification to be delivered with ease. Each critical TDMS twisted data pair is produced from 28awg OFC conductors encased within super rigid and geometrically stable Polyethylene dielectric. Each critical pair being then individually shielded within a 100% Mylar copper screen before a secondary shielding layer is further enhanced via a copper outer screen. The combination of precision twisting and critical shielding cancels out the worst effect of inductive and capacitive coupling within the cable. This balanced shielding approach also delivers exceptional EMC performance.

To ensure maximum available bandwidth is maintained through a cable numerous factors need to be controlled: Attenuation, Noise sources, Skin Effect, Dielectric loss, Intra pair skew, Inter pair skew, Shielding. A combination of all these elements add uncertainty into the digital domain - this “uncertainty” is the No 1 performance killer in Digital systems, it is called JITTER!

Shielding

General purpose HDMI uses twisted pairs, this necessitates matched twist ratios for each TMDS twisted pair (which is not the case today), increased capacitance between pairs can increase crosstalk dramatically. HDMI cables combat this effect by using shielding around every twisted pair, and even more shielding around the entire cable to help reject noise from being injected into the cable. The tight tolerances, additional shielding, result in a more expensive cable than that used for general data transfer.

HDMI: Jitter the enemy of the good

Why is Jitter so difficult to deal with in a digital system and why are its effects so disastrous on performance. Jitter manifests itself in display and processor electronics as a concept called “work done”. That is the easier the display device can recover the data from the interface then the lower the work done and therefore the potential for the higher fidelity audio and video performance is achievable. If the display device is continually checking and correcting errors then this uncertainty is transferred onto the power supplies, the clocking circuits and the digital to analogue converters. This manifests itself directly in increased power dissipation, higher heat output and ultimately poorer sound quality.

    

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