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At Van Damme, we use only the finest materials in the manufacture of our cables. Below are a few of the materials we use, and why we use them...

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SDI Vision Ecoflex LSZH ST 4.5 Back
The SDI Vision range of 75 Ohm precision coaxial cables comprises a Low Smoke Zero Halogen jacketed single coax and 6 way LSZH jacketed multicore. As with the Van Damme HD vision range close attention has been paid to their electrical characteristics and tolerances to ensure trouble free performance with SMPTE 259M SDI signals as well as analogue video. These cables can also be used for shorter distance transmission of 2.97 Gb/s HD-SDI - please see the transmission length guidelines.
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  • Transmission of SDI and analogue video signals
  • Short runs of 2.97 Gb/s HD-SDI
  • 6 way multicore ideal for multiple SDI runs and/or RGBHV + composite analogue video
  • Installation in public buildings, schools and colleges, government premises and marine vessels
Application notes
  • Use of precision 75 Ohm components throughout any signal chain is imperative
  • Jacket material specified as the thermoplastic polymer SHF-1; compliant with IEC 60092 Electrical Installations in ships pt. 359 - Sheathing materials for shipboard power and communication cables
  • Fully tested and compliant with the following IEC standards
  • IEC 60332.1 Fire retardancy of a single cable
  • IEC 60754.1 Amount of Halogen Gas Emissions
  • IEC 60754.2 Degree of acidity of released gases
  • IEC 61034.2 Measurement of smoke density
  • Maximum reel length 500m
Transmission length guidelines
These transmission lengths have been calculated throughout to a maximum attenuation of -30dB at the frequency corresponding to half of the actual signal data rate for SMPTE 259 and -20dB for SMPTE 292. SMPTE and others advise that 90% of this cable length introduces an appropriate safety factor - the chart below includes an 80% safety factor as jitter and other factors can increase dramatically in the last 20% of a cable run.
SMPTE 259    
Data rate (clock) 143Mb/s 177Mb/s
1⁄2 Clock Rate 72MHz 89MHz
transmission length
264m 237m
Data rate (clock) 270Mb/s 360Mb/s
1⁄2 Clock Rate 135MHz 180MHz
transmission length
196m 172m
Data rate (clock) 1.485Gb/s  
1⁄2 Clock Rate 743MHz  
transmission length
Data rate (clock) 2.97Gb/s  
1⁄2 Clock Rate 1485MHz  
transmission length
Mechanical specification
Conductor Material Bare ultra pure oxygen free copper
  Stranding 1 x 0.60mm
Dielectric Material Foamed polyethylene
  Average thickness 1.10mm
  Diameter 2.80mm ±0.05
Screen 1 Type ≥35µm Aluminium/polyester foil 125% coverage
Screen 2 Material Tinned bare ultra pure oxygen free copper
  Coverage 90%
  Dimension 16x5x0.16mm
Overall Jacket Material SHF-1 LSZH polymer Water blue RAL 5021
  Average thickness 0.40mm
  Overall diameter 4.50mm ± 0.15
6 way multicore Overall Jacket
Overall jacket Material SHF-1 LSZH polymer
  Colour Water blue RAL 5021
  Overall diameter 15.60mm ±0.30
Bend radius   15 x overall diameter
Physical properties un-aged
Jacket (at 60ºC) Tensile strength >9 N/mm2
  Elongation >125%
  Heat shock test 150 ºC x 1 hour – no cracks
Halogen Emissions ≤0.30% Halogen acid gases according to IEC 60754-2  
Electrical characteristics
Resistance Conductor <69 Ohm/Km
  Shield <10 Ohm/Km
  Insulation >5000 M Ohm/Km
Voltage test   1500V DC 1 minute OK
Capacitance   56 pF/m
Velocity of propagation   80%
Impedance at 10MHz   75 Ohms ±1.5
Attenuation 5 MHz 2.84 dB/100m
  10 MHz 3.92 dB/100m
  100 MHz 10.72 dB/100m
  135 MHz 12.24 dB/100m
  180 MHz 13.93 dB/100m
  200 MHz 14.70 dB/100m
  270 MHz 17.15 dB/100m
  400 MHz 21.12 dB/100m
  743 MHz 29.77 dB/100m
  1485 MHz 44.05 dB/100m
Structural return loss
Characteristics by stock code
Stock code 278-075-000
Description Van Damme SDI Vision single coax LSZH Ecoflex
Weight Kg/km 31
Stock code 278-075-006
Description Van Damme SDI Vision 6 way multicore coax LSZH Ecoflex
Weight Kg/km 300
Maximum reel length 500m  

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