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8D-FB

Construction

Inner conductor 

Bare copper/Copper clad steel 

Φ2.8 mm 

Dielectric 

Foam /Solid PE 

Φ7.3±0.02 mm 

Shield 

Bonded aluminium foil 

Φ8.0 mm 

Outer conductor 

Tinned copper braid 

Φ8.6 mm 

Shield coverage 

 

85%

Sheath 

PVC/PE 

Φ10.6 mm 

Electrical & Mechanical Characteristics

Impedance 

50±3 Ohm 

Nominal capacitance 

82 pF/m 

Velocity of propagation 

84%

Insulation resistance 

>5000 Mohm.Km 

Inner conductor resistance 

2.4(4.4) Ohm/Km 

Outer conductor resistance 

9.4 Ohm/Km 

Operating temperature range 

-40°C - +85 °C 

Min.bending radius 

52 mm 

Attenuation

Frequency(MHz) 

Attenuation (dB/100 m) 

Attenuation (dB/100 ft) 

100

4.1

1.2

150

5.1

1.6

280

7.1

2.2

350

8.1

2.5

400

8.7

2.7

800

12.9

3.9

900

13.8

4.2

1200

16.3

5

1500

18.6

5.7

1800

20.8

6.3

1900

21.5

6.6

2000

22.1

6.7

2200

23.5

7.2

2500

25.4

7.7

 

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