The Thermal Vacuum Phase Stable Low Loss Cable ACTV520 is a specialized RF cable designed for demanding thermal vacuum environments and high-frequency applications. It combines low insertion loss with excellent phase stability across temperature variations, supporting accurate and consistent signal transmission. Its robust construction makes it suitable for applications where reliability, controlled impedance, and stable electrical performance are essential. The ACTV520 cable is ideal for aerospace systems, satellite communications, vacuum chambers, RF testing, antenna systems, microwave equipment, and other precision environments requiring dependable performance under thermal cycling and vacuum conditions.
| No. | Construction | Size (mm) | Materials |
|---|---|---|---|
| 1 | Center Conductor | 1.45 | Solid silver-plated copper |
| 2 | Dielectric | 4.00 | Low density PTFE |
| 3 | Outer Conductor | 4.20 | Silver-plated copper tape wrap |
| 4 | Interlayer | 4.40 | Low density PTFE |
| 5 | Outer Shield | 4.80 | Silver-plated copper wire braid |
| 6 | Jacket | 5.30 | FEP |
| Frequency | DC-26.5 GHz |
| Impedance | 50 Ω |
| Velocity of Propagation | 82% |
| Shielding Effectiveness | >90 dB |
| Withstanding Voltage | 1500 V |
| *Mechanical Phase Stability | <±5° |
| Amplitude Stability vs Shaking | <±0.15 dB |
| * Wrapped 360° around a 53mm radius mandrel. | |
| Min. Bending Radius Static | 27mm |
| Min. Bending Radius Repeated | 53mm |
| Weight | 63g/m |
| Temperature (Operation) | -55~150 °C |
| Temperature (Storage) | -60~160 °C |
| Frequency MHz | 300 | 1000 | 2000 | 4000 | 6000 | 8000 | 10000 | 12000 | 14000 | 18000 | 20000 | 26500 |
| dB/100 Meter | 12.5 | 23.0 | 32.7 | 46.6 | 57.4 | 66.6 | 74.8 | 82.3 | 89.3 | 101.9 | 107.8 | 125.2 |
| Avg. Power kW | 1.608 | 0.875 | 0.615 | 0.431 | 0.350 | 0.302 | 0.268 | 0.244 | 0.225 | 0.197 | 0.186 | 0.160 |
| Attenuation at any frequency = [0.715686×SQRT(FMHz)] + [0.000328×FMHz] | ||||||||||||