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Radio Frequency Corrugated Aluminum tube Coaxial Cables(50ohms)
Category: Communication cable  Publish Time: 2010-04-03 14:52 
50 ohms corrugated coaxial cables series have wide applications in antenna feeder systems as follows:land mobile and cellular radio;earth station antenna jumper cables;Jumpers for equipments room and antenna connection;Military data links;VLF,AM and FM radio broadcast systems; point-to-point terrestrial microwave;Airborne and shipboard radar systems; Tactical,restoration and portable communication systems;And others.

Conctruction

Item

7/8”

Low loss7/8”

Inner Conductor(mm)

9.0

9.3

Braid Shield(mm)

25.1

25.5

Jacket(mm)

27.7

28.2

Mechanical Characteristics

Minimum Bending Radius(mm)

Single Bending

140

150

Repeated Bending

270

280

Mobile Application

520

550

Electrical Characteristics

DC Resisitance≦
(Ω/km)(20℃)

Inner conductor

1.65

1.60

Outer conductor

1.65

1.63

Capacitance (pF/m)

76

75

Impedance(Ω)

50±1

50±1

Velocity Ratio(%)

88

89

Attenuation(@20℃)

Attenuation(20℃)(dB/100m)Max

150MHz

1.85

1.79

280MHz

2.55

2.47

450MHz

3.25

3.14

800MHz

4.37

4.23

900MHz

4.65

4.50

1500MHz

6.08

5.88

1800MHz

6.69

6.47

2000 MHz

7.07

6.84

2400 MHz

7.79

7.54

3000 MHz

8.78

8.49

 

Mean Power Rating(kw)(Ambient Temperature 40℃ inner Conductor 80℃)

100 MHz

7.20

7.32

300MHz

4.04

4.11

450MHz

3.25

3.30

800MHz

2.36

2.40

1000MHz

2.09

2.12

1500MHz

1.66

1.69

1800MHz

1.50

1.52

2000MHz

1.41

1.43

2500MHz

1.24

1.26

3000MHz

1.10

1.12

 

VSWR Max

0.01GHz-3GHz

1.20

820MHz-960MHz

1.15

1.7GHz-1.9GHz

2.1GHz-2.2GHz