|
| 18 guage[0.040 in. (1.0mm)] copper or copper covered steel center conductor; |
| Gas expanded polyethylene dielectric |
| Inner shield aluminum-polypropylene-aluminum laminated tape with overlap bonded to dielectric |
| Outer shield of 34 AWG bare aluminum braid wire |
| Jacket of black polyvinylchloride |
| Nominal O.D. 0.272in. (6.91mm) |
Physical Dimensions | ||||||
| Component | Standard Shield | Tri-Shield | Quad-Shield | |||
| Inches | mm | Inches | mm | Inches | mm | |
| Nominal Center Conductor Diameter | 0.040 | 1.0 | 0.040 | 1.0 | 0.040 | 1.0 |
| Nominal Diameter Over Dielectric | 0.180 | 4.57 | 0.180 | 4.57 | 0.180 | 4.57 |
| Nominal Diameter Over First Shield (Tape) | 0.187 | 4.75 | 0.187 | 4.75 | 0.187 | 4.75 |
| Nominal Diameter Over Jacket | 0.272 | 6.91 | 0.278 | 7.06 | 0.300 | 7.62 |
| Nominal Jacket Wall Thickness | 0.030 | 0.76 | 0.030 | 0.76 | 0.034 | 0.86 |
| Nominal Diameter of Steel Messenger | 0.051 (single) |
1.30 | 0.051 (single) |
1.30 | 0.051 (single) |
1.30 |
Mechanical Characteristics | |
| Minimum Breaking | 0.051 | 180lbs. 82kgf |
| Strength of Messenger | 0.072 | 365lbs. 166kgf |
Electrical Characteristics | |
| Nominal Impedance | 75 Ohms |
| Nominal Velocity of Propagation | 85% |
| Shielding Effectiveness | >100dB |
Attenuation [@68oF(20oC)] | ||
| Frequency (MHz) |
Maximum (dB/100ft) |
Maximum (dB/100m) |
| 5 | 0.58 | 1.90 |
| 55 | 1.60 | 5.25 |
| 83 | 1.95 | 6.40 |
| 187 | 2.85 | 9.35 |
| 211 | 3.05 | 10.00 |
| 250 | 3.30 | 10.82 |
| 300 | 3.55 | 11.64 |
| 350 | 3.85 | 12.63 |
| 400 | 4.15 | 13.61 |
| 450 | 4.40 | 14.43 |
| 500 | 4.66 | 15.09 |
| 550 | 4.90 | 16.08 |
| 600 | 5.10 | 16.73 |
| 750 | 5.65 | 18.54 |
| 865 | 6.10 | 20.01 |
| 1000 | 6.55 | 21.49 |