Standard Construction:
Center Conductor:
18AWG (0.040 inches)(1.02mm) copper covered steel center conductor.
Dielectric:
Gas foam polyethylene.
Shield:
1. Bonded laminated aluminum tape. 2. 34AWG aluminum braid.
Jacket:
Flame retardant polyvinyl chloride available in any colors as customers’ need such as black, white, gray and so on, nominal O.D. 0.272inches(6.91mm).
Physical Dimensions:
|
Component (Nominal) |
Standard Shield |
Tri-Shield |
Quad Shield |
|
|
Inches |
mm |
Inches |
mm |
Inches |
mm |
|
Center Conductor Diameter |
0.040 |
1.02 |
0.040 |
1.02 |
0.040 |
1.02 |
|
Diameter Over Dielectric |
0.180 |
4.57 |
0.180 |
4.57 |
0.180 |
4.57 |
|
Diameter Over 1st Shield (tape) |
0.187 |
4.57 |
0.187 |
4.57 |
0.187 |
4.57 |
|
Diameter Over Jacket |
0.272 |
6.91 |
0.272 |
6.91 |
0.299 |
7.60 |
|
Diameter of Steel Messenger |
0.030 |
0.76 |
0.030 |
0.76 |
0.034 |
0.86 |
|
Jacket Wall Thickness |
0.051(single) |
1.30 |
0.051(single) |
1.30 |
|
|
|
Diameter of Steel Messenger |
0.072(dual) |
1.83 |
0.072(dual) |
1.83 |
|
|
Mechanical Characteristics:
Minimum Breaking: 180Lbs: 82Kgs Strength of Messenger: 365Lbs: 166Kgs
Electrical Characteristics:
Nominal Impedance: 75ohms Nominal Velocity Propagation: 85%
Corrosion Resistant Drops:
Many products are available with a choice of two corrosion resistant treatments.
Attenuation (@68degreeF, 20degreeC)
|
Frequency (MHz) |
Maximun (dB/1000ft) |
Maximun (dB/100ft) |
|
5 |
0.57 |
1.87 |
|
55 |
1.60 |
5.25 |
|
211 |
2.87 |
9.43 |
|
250 |
3.12 |
10.24 |
|
270 |
3.24 |
10.63 |
|
300 |
3.43 |
11.25 |
|
330 |
3.61 |
11.84 |
|
350 |
3.72 |
12.20 |
|
400 |
4.00 |
13.12 |
|
450 |
4.28 |
14.04 |
|
500 |
4.51 |
14.80 |
|
550 |
4.76 |
15.62 |
|
600 |
4.98 |
16.34 |
|
750 |
5.62 |
18.44 |
|
870 |
6.09 |
19.99 |
|
950 |
6.50 |
21.33 |
|
1000 |
6.54 |
21.46 |
|
1450 |
8.00 |
26.25 |
|
1750 |
8.74 |
28.67 |
|
2050 |
9.46 |
31.04 |
|
2250 |
10.00 |
32.81 |
