Từ khóa:
cáp đồng trục, cáp thang máy, cáp tivi, cáp liền nguồn, 4C, 5C,RG58, RG59, RG59+2C, RG6, RG11, QR540, cap dong truc, dây anten
Standard Construction: 14 AWG, 0.064in. (1.63mm) 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 Aluminum wire braid shield;Outer Black Jacket of Polyethylene (PE). Nominal O.D 0.395in (10.03mm).
Other options are available upon request.Attenuation at 20°C Frequency (MHz) | Maximum (db/100ft) | Maximum (db/100m) |
5 | 0.38 | 1.25 |
55 | 0.96 | 3.15 |
211 | 1.9 | 6.23 |
250 | 2.05 | 6.72 |
350 | 2.42 | 7.94 |
400 | 2.6 | 8.53 |
450 | 2.75 | 9.02 |
500 | 2.9 | 9.51 |
550 | 3.04 | 9.97 |
600 | 3.18 | 10.43 |
750 | 3.65 | 11.97 |
865 | 3.98 | 15.05 |
1000 | 4.35 | 14.27 |
1200 | 4.84 | 15.85 |
1450 | 5.42 | 17.78 |
1750 | 6.1 | 20.01 |
2000 | 6.53 | 21.44 |
Cable Physical Construction Component | Standard Shield | Tri Shield | Quad-Shield |
Inches (mm) | Inches (mm) | Inches (mm) |
Nominal Center Conductor Diameter | 0.064 (1.63) | 0.287 (7.29) | 0.064 (1.63) |
Nominal Diameter Over Dielectric | 0.280 (7.11) | 0.287 (7.29) | 0.280 (7.11) |
Norminal Diameter Over First Shield (Tape) | 0.287 (7.29) | 0.287 (7.29) | 0.287 (7.29) |
Norminal Diameter Over Jacket | 0.395 (10.03) | 0.395 (10.03) | 0.405 (10.29) |
Nominal Jacket Wall Thickness | 0.042 (1.07) | 0.039 (0.99) | 0.037 (0.94) |
Norminal Diameter of Steel Messenger | Ø0.072 (1.83) | Ø0.072 (1.83) | Ø0.072 (1.83) |
Shield : Foil | Aluminum Laminated Foil, Bonded to Dielectric |
Shield : 2nd Foil | N/A | Alu. Laminated Foil | Alu. Laminated Foil |
Braid : | Aluminum Wire, 60% Coverage |
Braid : 2nd Braid | N/A | N/A | Aluminum Wire, 40% Coverage |
Electrical Characteristics at 20°C Norminal Impedence | 75 Ω |
Norminal Velocity of Propagation | 85% |
Shielding Effectiveness | >100db |
Capacitance | 53.2 pF/m (nom). |
Mechanical Characteristics Minimum Breaking Strength of Messenger | 365 lbs. 166Kg |
Cable Temperature Rating | Temp -20°C to 70°C |