75 Ohm Coaxial & Triaxial Cables

75 Ohm Coaxial & Triaxial Cables

75-ohm video cables are designed to minimize EMI while providing low-loss transmission of video signals for security, means of an isolated second 95% coverage shield - the major benefit of a triaxial design, in-flight entertainment and cockpit displays.

Used for video signals in cabin entertainment and other air-borne applications, the outer shield is customarily grounded in order to provide a bypass for both induced and electric field noise currents. Thus EMI is significantly reduced.

Construction

Item Material Specification

Center conductor Silver plated copper 26AWG

Dielectric Foam FEP

Outer Conductor foil Shield Helically Wrapped, 100% Coverage

Mechanical shield braid Inner 90 % Coverage

Inner Jacket TEFLIN( ETFE) Color: White

Mechanical shield braid 90% Coverage

Jacket TEFLON (ETFE ) Color: White Overall diameter Φ4.0mm

Electrical Parameter

Tensile Strength: lbs (kg) Approx. 25 (11.3)

Impedance 75 hms

Capacitance 52.5pf/m

Velocity of Propagation 80% NOM.

Shielding effectiveness dB/Min -90

Time Delay:ns/m 4.17 (ns/ft 1.27)

Attenuation: Nom / Max

dB/100 ft (dB/100 m)

100 MHz 5.5 / 6.1 (18.0 / 20.0)

400 MHz 11.2 / 12.3 (36.7 / 40.4)

1.45 GHz 21.6 / 23.8 (70.9 / 78.1)

3.00 GHz 31.6 / 34.8 (103.7 / 114.2)

Mechanical Parameter

Min Bend Dim. 20.4mm