7/8" 50 ohm Coaxial Cable

Materials and Dimensions

Inner conductor-helicat corrugated copper

9.25 mm / .364 in

Dialectric-foam PE

22.8 mm / .898 in

Outer conductor- corrugated copper tube

24.7 mm / .972 in

Diameter over outer jacket- polythylene black

27.4 mm / 1.079 in

Mechanical Specifications

Cable Weight

425 kg/km (approx.)

Tensile Strength

1450 N | 325 lbs.

Min. Bending Radius (single)

120 mm | 4.72 in

Min. Bending Radius (repeated)

250 mm | 9.84 in

Number of bends, minimum (typical)

15 (50)

Recommended Hanger Spacing

1.0 m | 3 ft.

Environmental Specifications

Installation Temperature

-25°C to +60°C

Operating Temperature

-40°C to +85°C

Storage Temperature

-70°C to +85°C

2002/95/EC (RoHS)

compliant

Return Loss

1 to 1000 MHz

Return Loss: ≤-26 dB | VSWR:  ≤ 1.105:1

1000 to 1900 MHz

Return Loss: ≤-26 dB | VSWR:  ≤ 1.105:1

Electrical Specifications

Impedance

50 ± 1 Ω

Relative Velocity of Propogation

89%

Capacitance (1kHz)

73.5 ± 1.5 pF/m

Maximum Operating Frequency

5.3 GHz

Peak Power Rating

95 kW

Insulation Resistance

≥ 10 GΩ x km

Operating Voltage

3000 Vrms

DC Breakdown Voltage

10000 V

Jacket Spark Test Voltage

6300 Vrms

Inner Conductor DC-resistance

≤ 1.55 Ω /km

Outer Conductor DC-resistance

≤ 1.40 Ω /km

Attenuation

Frequenxy (MHz)

Attenuation (dB/100m)

Average Power (kW)

150

1.37

7.1

450

2.45

3.97

824

3.42

2.86

900

3.56

2.72

1000

3.78

2.57

1700

5.17

1.91

1800

5.25

1.84

1900

5.41

1.79

2000

5.58

1.7

2200

5.89

1.65

2500

6.34

1.53

3000

7.06

1.37

3500

7.73

1.25

3800

8.12

1.18

Standard Conditions

Attenuation, Ambient Temperature

20̊ C

Average Power, Ambient Temperature

40̊ C

Average Power, Inner Conductor Temperature

100̊ C

Ordering Information

Part Number

Description

UOM

AAT-78-FC

7/8” 50 ohm Coaxial Cable

Per Ft.