SRFS Teleinfra

ACTV800 Thermal Vacuum Phase Stable Low Loss RF Cable

ACTV800 Thermal Vacuum Phase Stable Low Loss RF Cable

The Thermal Vacuum Phase Stable Low Loss Cable ACTV800 is a high-performance RF cable engineered for demanding thermal vacuum and space-related applications. It provides excellent phase stability and low insertion loss across challenging operating conditions, helping maintain accurate and consistent signal transmission. Its robust construction is designed to withstand temperature variations, vacuum environments, and repeated thermal cycling. ACTV800 is suitable for satellite systems, aerospace electronics, RF testing, microwave equipment, antenna systems, and high-frequency communication applications. This cable delivers dependable electrical performance where signal integrity, environmental durability, and phase consistency are critical for precision RF and microwave systems.

Cable Construction

No. Construction Size (mm) Materials
1 Center Conductor 2.30 Solid silver-plated copper
2 Dielectric 6.25 Low density PTFE
3 Outer Conductor 6.57 Silver-plated copper tape wrap
4 Interlayer 6.73 Low density PTFE
5 Outer Shield 7.24 Silver-plated copper wire braid
6 Jacket 7.80 FEP

Electrical

Frequency DC-18 GHz
Impedance 50 Ω
Velocity of Propagation 82%
Shielding Effectiveness >90 dB
Withstanding Voltage 3600 V
*Mechanical Phase Stability <±5°
Amplitude Stability vs Shaking <±0.1 dB
* Wrapped 360° around a 80mm radius mandrel.

Mechanical & Environmental

Min. Bending Radius Static 39mm
Min. Bending Radius Repeated 80mm
Weight 131g/m
Temperature (Operation) -55~150 °C
Temperature (Storage) -60~160 °C

Bulk Cable Attenuation

Frequency MHz 300 1000 2000 3000 6000 8000 10000 12000 14000 16000 18000
dB/100 Meter 8.0 14.8 21.1 26.0 37.3 43.4 48.9 53.9 58.6 63.0 67.1
Avg. Power kW 3.341 1.812 1.269 1.029 0.716 0.615 0.547 0.496 0.456 0.425 0.398
Attenuation at any frequency = [0.456380×SQRT(FMHz)] + [0.000328×FMHz]