TIMES
MICROWAVE SYSTEMS
Mechanical Specifications
Performance Property
Bend Radius: installation
Bend Radius: repeated
Bending Moment
Weight
Tensile Strength
Flat Plate Crush
Units
in. (mm)
in. (mm)
ft-lb (N-m)
lb/ft (kg/m)
lb (kg)
lb/in. (kg/mm)
US
0.75
2.5
0.25
0.034
80
20
(metric)
(19.1)
(63.5)
(0.34)
(0.05)
(36.3)
(0.36)
Electrical Specifications
Performance Property
Units
US
84
1.42
1.21
50
24.2
0.060
>90
3.2
3.89
1500
5000
5.6
(metric)
Velocity of Propagation
%
Dielectric Constant
NA
Time Delay
nS/ft (nS/m)
Impedance
ohms
Capacitance
pF/ft (pF/m)
Inductance
uH/ft (uH/m)
Shielding Effectiveness
dB
DC Resistance
Inner Conductor
ohms/1000ft (/km)
Outer Conductor
ohms/1000ft (/km)
Voltage Withstand
Volts DC
Jacket Spark
Volts RMS
Peak Power
kW
(3.97)
(79.4)
(0.20)
Performance Property
Installation Temperature Range
Storage Temperature Range
Operating Temperature Range
Environmental Specifications
F
-40/+185
-94/+185
0
C
-40/+85
-70/+85
o
(10.5)
(12.8)
-40/+185
-40/+85
Attenuation vs. Frequency
(typical)
100.0
(db per 100 feet)
Attenuation
10.0
1.0
10
100
Frequency
(MHz)
1,000
10,000
Frequency (MHz)
Attenuation dB/100 ft
Attenuation dB/100 m
Avg. Power kW
(0.242080) •
30
1.3
4.4
50
1.7
5.7
150 220 450
3.0
9.9
3.7
5.3
12.0 17.3
900 1500 1800 2000 2500 5800
7.6
24.8
0.26
9.9
32.4
0.20
10.9
11.5
12.9 20.4
42.4 66.8
0.15 0.10
35.6 37.7
0.18 0.17
1.49 1.15
0.66 0.54 0.38
Calculate Attenuation
=
Attenuation:
VSWR=1.0 ; Ambient = +25°C (77°F)
Power:
VSWR=1.0; Ambient = +40°C; Inner Conductor = 100°C (212°F); Sea Level; dry air; atmospheric pressure; no solar loading
(800) TMS-COAX • www.timesmicrowave.com
FMHz + (0.000330) • FMHz (interactive calculator available at http://www.timesmicrowave.com/cable_calculators)
17
LMR-240
PASTERNACK [ Pasternack Enterprises, Inc. ]
