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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...

 
ALUMINIUM
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GOLD
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SILVER
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BERYLLIUM
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HD Vision Flexible Digital Coaxial Cables Back
 

Van Damme now has 2 single flexible digital coaxials to add to the established 4 and 6 way flexible HD Vision low loss multicores. All are suitable for analogue, SDI and HD-SDI transmissions. The 2 single coaxials are based around industry standard RG6/U and RG59/U and their precision construction ensures that electrical performance has not been majorly affected by the use of a stranded centre conductor.

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Applications
 
Single coaxial
  • Transmission of HD-SDI, SDI and analogue video signals
  • Stranded centre conductor for flexible use
  • Ideal for use as patchcords, shorter HD-SDI cables and cable reel systems
  • Designed for touring, outside broadcast and other dynamic uses

Multicores
  • Transmission of HD-SDI, SDI and analogue video signals
  • Approved by Digidesign for use with the Venue console
  • MADI multicore
  • Designed for touring, outside broadcast and other dynamic uses

 
Application notes
 
  • 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
transmission lengths
by Stock Code
268-275-000: 249m
268-175-000: 320m
268-475-000: 420m
268-675-000: 420m
268-275-000: 224m
268-175-000: 288m
268-475-000: 379m
268-675-000: 379m

Data rate (clock) 270Mb/s 360MHz
1⁄2 Clock Rate 135MHz 180MHz
Recommended
transmission length
by Stock Code
268-275-000: 145m
268-175-000: 172m
268-475-000: 311m
268-675-000: 311m
268-275-000: 128m
268-175-000: 152m
268-475-000: 273m
268-675-000: 273m
 
SMPTE 292
 
Data rate (clock) 1.485Gb/s  
1⁄2 Clock Rate 743MHz  
Recommended
transmission length
by Stock Code
268-275-000: 47m
268-175-000: 63m
268-475-000: 85m
268-675-000: 85m
 
 
SMPTE 424
 
Data rate (clock) 2.97Gb/s  
1⁄2 Clock Rate 1485MHz  
Recommended
transmission length
by Stock Code
268-275-000: 31m
268-175-000: 41m
268-475-000: 60m
268-675-000: 60m
 
 
Mechanical Specifications
 
Single Coaxial 268-475-000 / 268-675-000 inner coaxial
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 35µm Aluminium/polyester foil 125% coverage
Screen 2 Material Tinned bare ultra pure oxygen free copper
  Coverage 95%
Overall Jacket Material Flexible PVC composite Sky Blue RAL 5015
  Average thickness 0.75mm
  Overall diameter 7.00mm ±0.20
 
 
Single Coaxial 268-475-000
Conductor Material Bare ultra pure oxygen free copper
  Stranding 19 x 0.16mm
Dielectric Material Gas injected Foam skin polyethylene
  Average thickness 1.35mm
  Diameter 3.70mm ±0.15
Screen 1 Type 35µm Aluminium/polyester foil 125% coverage
Screen 2 Material Tinned bare ultra pure oxygen free copper
  Coverage 95%
Overall Jacket Material Flexible PVC composite Jet Black
RAL 9005
  Average thickness 0.75mm
  Overall diameter 6.15mm ±0.20
 
 
Single Coaxial 268-175-000
Conductor Material Bare ultra pure oxygen free copper
  Stranding 19 x 0.20mm
Dielectric Material Gas injected Foam skin polyethylene
  Average thickness 1.70mm
  Diameter 4.57mm ±0.15
Screen 1 Type 35µm Aluminium/polyester foil 125% coverage
Screen 2 Material Tinned bare ultra pure oxygen free copper
  Coverage 95%
Overall Jacket Material Flexible PVC composite Jet Black
RAL 9005
  Average thickness 0.75mm
  Overall diameter 7.0mm ±0.20
 
Multicores 268-475-000 & 268-675-000 Overall Jacket
Separator Material Soft tape
  Coverage >125%
Overall jacket Material Flexible PVC composite
  Colour Jet Black RAL 9005
Bend Radius 15x overall diameter
Overall Diameter 268-475-000 20.50mm ±0.20
  268-675-000 26.00mm ±0.20
 
Electrical Specifications
 
268-475-000 / 268-675-000
Resistance Conductor <24 Ohm/km
  Sheild <8 Ohm/km
  Insulation >5000MOhm/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 6.25 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
 
268-275-000
Resistance Conductor <40 Ohm/km
  Sheild <8 Ohm/km
  Insulation >5000MOhm/km
Voltage Test 1000V DC 1 minute OK
Capacitance 56 pF/m
Velocity of Propagation 80%
Impedence at 10 Mhz 75 Ohms ±1.5
Attenuation 5 Mhz 1.96 dB/100m
  10 Mhz 2.95 dB/100m
  100 Mhz 9.8 dB/100m
  135 Mhz 11.48 dB/100m
  180 Mhz 13.45 dB/100m
  200 Mhz 14.18 dB/100m
  270 Mhz 16.73 dB/100m
  400 Mhz 19.25 dB/100m
  743 Mhz 29.20 dB/100m
  1485 Mhz 43.64 dB/100m
 
268-175-000
Resistance Conductor <27.8 Ohm/km
  Sheild <5.5 Ohm/km
  Insulation >5000MOhm/km
Voltage Test 1000V DC 1 minute OK
Capacitance 53 pF/m
Velocity of Propagation 79%
Impedence at 10 Mhz 75 Ohms ±1.5
Attenuation 5 Mhz 1.77 dB/100m
  10 Mhz 2.36 dB/100m
  100 Mhz 7.87 dB/100m
  135 Mhz 9.19 dB/100m
  180 Mhz 10.83 dB/100m
  200 Mhz 11.41 dB/100m
  270 Mhz 12.12 dB/100m
  400 Mhz 16.25 dB/100m
  743 Mhz 22.97 dB/100m
  1485 Mhz 34.12 dB/100m
 
 
Characteristics by stock code
 
Single coaxials
 
Stock code 268-175-000
Description Van Damme HD Vision flexi coax RG6/U digital coax
Weight Kg/km 70
   
Stock code 268-275-000
Description Van Damme HD Vision flexi coax RG59/U digital coax
Weight Kg/km 66
   
Multicores  
   
Stock code 268-475-000
Description Van Damme HD Vision 4 way dynamic multicore
Overall diameter mm 20.5
Jacket thickness mm 1.5
Weight Kg/km 446
Construction and lay up Thermoplastic & cotton fillers, 4 x coax numbered 1-4
220mm lay
   
Stock code 268-675-000
Description Van Damme HD Vision 4 way dynamic multicore
Overall diameter mm 26
Jacket thickness mm 2.5
Weight Kg/km 698
Construction and lay up Thermoplastic & cotton fillers, 6 x coax numbered 1-6
220mm lay
   
 
 
 

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