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APPLICATION
CATV,Data and Interactive System applications at outdoor (Trunk and Distribution) network.
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COAXIAL CABLES
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OUTDOOR COAXIAL CABLES FOR CATV APPLICATIONS (RF CABLES)
1 : Outer jacket
2 : Outer Conductor
......
(welded metallic tube)
3 : Insulation PE
4 : Inner Conductor
HF / B-3.27
HF / C-2.17
HF / D-1.1
PHYSICAL CHARACTERISTICS
NOMINAL DIMENSIONS
HF/B-3.27
HF/C-2.17
HF/D-1.1
Inner Conductor
Insulation (Dielectric)
Outer Conductor
Outer Jacket
(mm)
3.27
13.40
14.00
17.40
(mm)
2.17
8.70
9.30
12.50
(mm)
1.10
7.30
7.80
11.40
Cable Weight (kg/km)
(With copper outer conductor)
310
180
150
Reel Length (meters/Reel)
500
500
500
ELECTRICAL CHARACTERISTICS
Nominal DC Resistance (20
o
C)
Ohms/100 meters
Conductors
HF/B-3.27
HF/C-2.17
HF/D-1.1
Inner Conductor
Outer Conductor
Loop
0.21
0.16
0.37
0.5
0.25
0.75
1.85
0.30
2.15
Nominal Capacitance pF/m
51
51
65
Impedance ohms
75 ± 2
75 ± 2
75 ± 2
Velocity of Propagation
88 %
88 %
88 %
Screening Factor dB
³
120
³
120
³
120
ATTENUATION
dB / 100 Meters
FREQUENCY
HF/B-3.27
HF/C-2.17
HF/D-1.1
Return Loss (dB)
5 MHz
0.50
0.70
1.40
25
50 MHz
1.45
2.10
4.05
25
100 MHz
2.05
3.00
5.75
24
200 MHz
2.90
4.30
8.25
22
400 MHz
4.10
6.20
12.00
20
862 MHz
6.10
9.40
19.00
19
Note:
The cable identification and sequential meter marking is printed on the outer sheath of the cables acording to the Customer requirements.
Outdoor Series Coaxial Cables are available with messenger wire (for aerial application)upon Customer’s request.
Outdoor Series Coaxial Cables are available with steel tape armoring for direct burrial application upon Customer’s request.
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