Fcom Technology A Unit of Frontier Trading Company  
  Heliax Cables
LMR Series Cables
 
   
Connecting People, Through Technology

Ground Plane Antennas
 
LDF 4-5-50 Cables  
line
LDF4-550 cable
line
 
Frequency
MHz
Attenuation
dB /100 ft
Attenuation
dB/100 m
Average Power, kW  
         
0.5 0.032 0.105 62.0
1 0.045 0.149 53.5
1.5 0.056 0.183 43.6
2 0.064 0.211 37.7
10 0.145 0.476 16.7
20 0.207 0.678 11.8
30 0.254 0.834 9.57
50 0.330 1.08 7.36
88 0.443 1.45 5.49
100 0.473 1.55 5.14
108 0.493 1.62 4.93
150 0.586 1.92 4.15
174 0.633 2.08 3.84
200 0.682 2.24 3.57
300 0.847 2.78 2.87
400 0.989 3.24 2.46
450 1.05 3.46 2.31
500 1.12 3.66 2.18
512 1.13 3.71 2.15
600 1.23 4.05 1.97
700 1.34 4.41 1.81
800 1.45 4.75 1.68
824 1.47 4.83 1.65
894 1.54 5.05 1.58
960 1.60 5.26 1.52
1000 1.64 5.38 1.48
1250 1.86 6.11 1.31
1500 2.07 6.78 1.18
1700 2.22 7.29 1.10
1800 2.30 7.54 1.06
2000 2.44 8.02 0.996
2100 2.51 8.25 0.968
2200 2.58 8.48 0.942
2300 2.65 8.70 0.918
3000 3.11 10.2 0.783
3400 3.35 11.0 0.726
4000 3.70 12.1 0.658
5000 4.25 13.9 0.573
6000 4.76 15.6 0.511
6100 4.81 15.8 0.506
       
 
Description
 
Cable Ordering Information
Standard Cable
5/8"standard cable,standard Jacket
fire Retardant Cables
5/8'Fire Retardant Jacket(CATVX)
5/8" Fire Retardant Jacket(CATVR)
Low VSWR and Specialized cables
5/8"Low VSWR, specify operating band phase Stabilized and Phase Meassured cable
Jumper Cable Assemblies

LDF4.5-50

LDF4.5RN-50
LDF4.5RN-50

LDF4.5P-50(**)

Characteristics
Electrical
Impedance, ohms
Maximum Frequency, GHz
Velocity, percent
Peak Power Rating, Kw
Dc Resistance, ohms/1000ft(1000m)
Inner
Outer
Dc Breakdown, volts
Jacket Spark, volts
Capacitance, Pf/ ft(m)
Inductance, Ph/ ft(m)


50 +- 1
6.1
89
62

0.15(0.49)
0.42(1.37)
5000
8000
23.2(76.1)
0.057(0.187)

 
Mechanical
 
Outer conductor
Inner Conductor
Diameter over Jacket, in (mm)
Diameter over Copper outer Conductor, in(mm) Diameter Inner Conductor, in (mm)
Minimum Bending Radius, in(mm)
Number of Bends, minimum (typical) Bending Moment, lb-ft (N.m)
Cable Weight, lb/ft(kg/m)
Tesile strength, lb(kg)
Flat Plate Crush Strength, lb/in(kg/mm)
Copper
Copper- Clad Aluminium 0.865(21.97)
0.777(19.74)
0.277(7.04)
8(200)
15(40)
2.8(3.8)
0.15(0.22)
800(363)
70(1.3)
 

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Standard conditions: For attenuation. VSWR 1.0, ambient temperature 20’C (68’F) For Average power. VSWR 1.0 ambient temperature 40’C (104’F) Inner conductor temperature 100’C(212’F), no solar loading
     
Cables : RF Coaxial & Microwaves Cables : Heliax Cable : LDF 1-50 Cable: LDF 2-50 Cable : LDF 4-50 Cable:
LDF 4-5.50 Cable: LDF 5-50A Cable: VXL 5-50A Cable : FSJ Series Cables: FSJ 1-50A Cable: FSJ 2-50A Cable: FSJ 4-50B Cable:
     
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