PS760LS-18G-F Stranded Conductor Phase Stable Coaxial Cable (18GHz)
18GHz Low-Loss Flexible Coaxial Cable with Stranded Inner Conductor
Engineered for superior mechanical flexibility and extended flex-life, the PS760LS-18G-F features a 19/0.48mm stranded silver-plated copper inner conductor paired with LD-PTFE dielectric and double shielding to provide ultra-low loss performance up to 18 GHz.
Max Frequency:DC-18GHz
Velocity of Prop.：83%
Dielectric Withstanding Voltage ：3000 V DC
Outer Diameter:7.6mm
Structure & Construction Characteristics
| Layer | Item / Material | Construction (mm) | Nom. O.D. (mm) |
|---|---|---|---|
| Inner Conductor | Stranded Silver Plated Copper (SPC) | 19 / 0.48 (Stranded) | 2.40 |
| Insulation | Low Density PTFE (LD-PTFE) | — | 6.35 |
| Inner Shield | Self-adhesive Aluminium Foil | — | 6.43 |
| Outer Shield | Silver Plated Copper Braid | — | 6.94 |
| Jacket | Blue FEP | — | 7.60 |
Mechanical & Environmental Parameters
| Min. Bending Radius (Static) | 40.00 mm | Weight | 0.134 kg/m |
|---|---|---|---|
| Min. Bending Radius (Dynamic) | 80.00 mm | Operating Temperature Range | -55 ℃ to +85 ℃ |
Electrical & Mechanical Characteristics
| Impedance | 50 Ω | Velocity of Propagation | 83% |
|---|---|---|---|
| Capacitance | 88 pF/m | Max Operating Frequency | 18 GHz |
| Screening Effectiveness | >90 dB | Dielectric Withstanding Voltage | 3000 V DC |
Attenuation & Power Handling @ 25℃ & Sea Level
Attenuation Calculation Formula:
IL = K1 * sqrt(F_MHz) + K2 * F_MHz | (K1 = 0.537309, K2 = 0.000958)
| Frequency (MHz) | Nom. Attenuation (dB/100m @ 25℃) | Max Power Handling (W @ 40℃) |
|---|---|---|
| 300 | 9.59 | 2141 |
| 500 | 12.49 | 2141 |
| 1000 | 17.95 | 1144 |
| 2400 | 28.62 | 718 |
| 3000 | 32.30 | 636 |
| 6000 | 47.36 | 434 |
| 8000 | 55.72 | 369 |
| 10000 | 63.31 | 324 |
| 12400 | 71.71 | 286 |
| 15000 | 80.17 | 256 |
| 18000 | 89.32 | 230 |
Industry Cross-Reference Interchangeability
The PS760LS-18G-F serves as a high-flexibility alternative to solid-center 0.300-inch low loss coaxials, providing enhanced bend fatigue performance for dynamic applications up to 18 GHz.
Frequently Asked Questions
What is the primary benefit of the stranded inner conductor in the PS760LS-18G-F?
The 19/0.48mm stranded silver-plated copper inner conductor provides significantly higher mechanical flexibility and resistance to flex fatigue compared to solid-center conductors, making it ideal for continuous flexing and dynamic routing.
What velocity of propagation does PS760LS-18G-F achieve?
Thanks to its high-grade LD-PTFE dielectric construction, it achieves a velocity of propagation (VP) of 83%.
What shielding mechanism is utilized in this cable?
The cable employs a double shielding system combining a self-adhesive aluminium foil inner shield and a high-coverage silver-plated copper braid, ensuring screening effectiveness exceeding 90 dB.
