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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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HD Vision Digital Coaxial Cables Back
 

The HD Vision range of 75 Ohm precision coaxial cables comprises 4 sizes of Low Smoke Zero Halogen jacketed single coaxials to cover most applications. Great attention has been paid to their electrical characteristics and tolerances to ensure trouble free performance with SMPTE 424M and 292M HD-SDI signals as well as SDI and analogue video.

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Applications
 
  • Transmission of HD-SDI, SDI and analogue video signals
  • Installation in public buildings, schools and colleges, government premises and marine vessels

 
Application notes
 
  • Jacket material specified as the thermoplastic polymer SHF1 or a special LSZH polymer; both 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
  • Use of precision 75 Ohm components throughout any signal chain is imperative
 
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 and 424. 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
Recommended
maximum transmission lengths by Stock Code
278-975-000: 316m
278-175-000: 443m
278-475-000: 730m
278-775-000: 148m
278-975-000: 284m
278-175-000: 399m
278-475-000: 652m
278-775-000: 132m

Data rate (clock) 270Mb/s 360MHz
1⁄2 Clock Rate 135MHz 180MHz
Recommended
transmission length
by Stock Code
278-975-000: 230m
278-175-000: 328m
278-475-000: 510m
278-775-000: 108m
278-975-000: 128m
278-175-000: 287m
278-475-000: 466m
278-775-000: 66m
 
SMPTE 292
 
Data rate (clock) 1.485Gb/s  
1⁄2 Clock Rate 743MHz  
Recommended
transmission length
by Stock Code
278-975-000: 58m
278-175-000: 90m
278-475-000: 144m
278-775-000: 29m
 
 
SMPTE 424
 
Data rate (clock) 2.97Gb/s  
1⁄2 Clock Rate 1485MHz  
Recommended
transmission length
by Stock Code
278-975-000: 42m
278-175-000: 64m
278-475-000: 100m
278-775-000: 20m
 
 
Mechanical Specifications
 
278-475-000
Conductor Material Bare ultra pure oxygen free copper
  Stranding 1 x 1.62mm
Dielectric Material Gas injected Foam skin polyethylene
  Average thickness 2.70mm
  Diameter 7.10mm ±0.15
Screen 1 Type Aluminium/polyester foil 125% coverage
Screen 2 Material Tinned ultra pure oxygen free copper
  Coverage 95%
Overall Jacket Material LSZH polymer Water blue RAL 5021
  Average thickness 1.25mm
  Overall diameter 10.2mm ±0.30
 
 
278-175-000
Conductor Material Bare ultra pure oxygen free copper
  Stranding 1 x 1.02mm
Dielectric Material Foamed polyethylene
  Average thickness 1.80mm
  Diameter 4.70mm ±0.15
Screen 1 Type Aluminium/polyester foil 125% coverage
Screen 2 Material Tinned ultra pure oxygen free copper
  Coverage 95%
Overall Jacket Material SHF1 LSZH polymer Water blue RAL 5021
  Average thickness 0.70mm
  Overall diameter 6.80mm ±0.30
 
 
278-975-000
Conductor Material Bare ultra pure oxygen free copper
  Stranding 1 x 0.81mm
Dielectric Material Gas injected Foam skin polyethylene
  Average thickness 1.45mm
  Diameter 3.7mm ±0.15
Screen 1 Type Aluminium/polyester foil 125% coverage
Screen 2 Material Tinned ultra pure oxygen free copper
  Coverage 95%
Overall Jacket Material LSZH polymer Water blue RAL 5021
  Average thickness 0.80mm
  Overall diameter 5.90mm ±0.30
 
278-775-000
Conductor Material Bare ultra pure oxygen free copper
  Stranding 1 x 0.41mm
Dielectric Material Gas injected Foam skin polyethylene
  Average thickness 1.30mm
  Diameter 1.90mm
Screen 1 Type Aluminium/polyester foil 125% coverage
Screen 2 Material Tinned ultra pure oxygen free copper
  Coverage 95%
Overall Jacket Material LSZH polymer Water blue RAL 5021
  Average thickness 0.30mm
  Overall diameter 3.10mm ±0.30
 
Physical Properties
 
278-475-000
Jacket (at 60ºC) Tensile strength >10.3N/mm2
  Elongation >100%
  Heat shock test 150 ºC x 1 hour - no cracks
Halogen Emissions ≤0.30% Halogen acid gases according to IEC 60754-2
 
278-175-000
Jacket (at 60ºC) Tensile strength >9N/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
 
278-975-000
Jacket (at 60ºC) Tensile strength >8.3N/mm2
  Elongation >100%
  Heat shock test 150 ºC x 1 hour - no cracks
Halogen Emissions ≤0.30% Halogen acid gases according to IEC 60754-2
 
278-775-000
Jacket (at 60ºC) Tensile strength >8N/mm2
  Elongation >100%
  Heat shock test 150 ºC x 1 hour - no cracks
Halogen Emissions ≤0.30% Halogen acid gases according to IEC 60754-2
 
Electrical Specifications
 
278-475-000
Resistance Conductor <8.2 Ohm/km
  Sheild <4.9 Ohm/km
  Insulation >5000 MOhm/km
Voltage Test 1000V DC 1 minute OK
Capacitance 52 pF/m
Velocity of Propagation 85%
Impedence at 10 Mhz 75 Ohms ±1.5
Attenuation 5 Mhz 0.52 dB/100m
  10 Mhz 1.50 dB/100m
  100 Mhz 4.20 dB/100m
  135 Mhz 4.82 dB/100m
  180 Mhz 5.55 dB/100m
  200 Mhz 5.85 dB/100m
  270 Mhz 6.86 dB/100m
  400 Mhz 8.64 dB/100m
  743 Mhz 12.00 dB/100m
  1485 Mhz 18.00 dB/100m
 
278-175-000
Resistance Conductor <24 Ohm/km
  Sheild <8 Ohm/km
  Insulation >5000 MOhm/km
Voltage Test 1000V DC 1 minute OK
Capacitance 58 pF/m
Velocity of Propagation 80%
Impedence at 10 Mhz 75 Ohms ±1.5
Attenuation 5 Mhz 1.45 dB/100m
  10 Mhz 2.00 dB/100m
  100 Mhz 6.35 dB/100m
  135 Mhz 7.31 dB/100m
  180 Mhz 8.35 dB/100m
  200 Mhz 8.81 dB/100m
  270 Mhz 10.30 dB/100m
  400 Mhz 12.65 dB/100m
  743 Mhz 17.75 dB/100m
  1485 Mhz 25.16 dB/100m
 
278-975-000
Resistance Conductor <35 Ohm/km
  Sheild <10 Ohm/km
  Insulation >5000 MOhm/km
Voltage Test 1000V DC 1 minute OK
Capacitance 56 pF/m
Velocity of Propagation 83%
Impedence at 10 Mhz 75 Ohms ±1.0
Attenuation 5 Mhz 1.73 dB/100m
  10 Mhz 2.70 dB/100m
  100 Mhz 7.27 dB/100m
  135 Mhz 8.45 dB/100m
  180 Mhz 10.21 dB/100m
  200 Mhz 10.76 dB/100m
  270 Mhz 12.50 dB/100m
  400 Mhz 15.40 dB/100m
  743 Mhz 21.97 dB/100m
  1485 Mhz 31.30 dB/100m
 
278-775-000
Resistance Conductor <145 Ohm/km
  Insulation >5000M Ohm/km
Voltage Test 1000V DC 1 minute OK
Capacitance 56 pF/m
Velocity of Propagation 78%
Impedence at 10 Mhz 75 Ohms ±3.5
Attenuation 5 Mhz 4.40 dB/100m
  10 Mhz 6.10 dB/100m
  100 Mhz 17.90 dB/100m
  135 Mhz 20.80 dB/100m
  180 Mhz 24.00 dB/100m
  200 Mhz 25.30 dB/100m
  270 Mhz 29.40 dB/100m
  400 Mhz 35.80 dB/100m
  743 Mhz 47.98 dB/100m
  1485 Mhz 63.70 dB/100m
 
Characteristics by stock code
 
Stock code 278-475-000
Description Van Damme HD Vision RG11/U digital coax LSZH
Weight Kg/km 116
   
Stock code 278-175-000
Description Van Damme HD Vision single digital coax LSZH
Weight Kg/km 50
   
Stock code 278-975-000
Description Van Damme HD Vision RG59/U digital coax LSZH
Weight Kg/km 50
   
Stock code 278-775-000
Description Van Damme HD Vision mini digital coax LSZH
Weight Kg/km 18
  
 
 

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