PSE460L-31G-F Phase Stable Cable (DC-31GHz, Low Loss)
Ultra-Low Loss Phase Stable Coaxial Cable (DC–28GHz)
Engineered for precision RF testing, high-frequency aerospace systems, and microwave communications. Featuring a low-density PTFE dielectric, triple-layer shielding, and durable FEP jacket, the PSE460L-31G-F delivers exceptional phase stability against flexure and temperature variations.
Max Frequency:DC-31GHz
Velocity of Prop.：76%
Phase Stability ：±0.2 °/GHz
Outer Diameter:4.6mm
Structure & Construction Characteristics
| Layer | Material | Construction (mm) | Nom. O.D. (mm) |
|---|---|---|---|
| Inner Conductor | Silver Plated Copper | 1 / 1.02 | 1.02 |
| Insulation | LD-PTFE (Microporous PTFE) | – | 3.07 |
| Inner Shield | Silver Plated Copper Strip | – | 3.27 |
| Interlayer | High Temperature Aluminum Foil | – | 3.41 |
| Outer Shield | Silver Plated Copper Braid | – | 3.92 |
| Jacket | Light Blue FEP | – | 4.60 |
Mechanical & Environmental Parameters
| Min. Bending Radius (Static) | 18.40 mm | Min. Bending Radius (Dynamic) | 46.00 mm |
|---|---|---|---|
| Weight | 0.050 kg/m | Operating Temperature | -55°C to +200°C |
Electrical & Mechanical Characteristics
| Impedance | 50 Ω | Max Operating Frequency | 31 GHz |
|---|---|---|---|
| Velocity of Propagation | 76% | Capacitance | 88 pF/m |
| Screening Effectiveness | > 90 dB | Dielectric Withstanding Voltage | 1500 V DC |
| Phase Change vs. Bending | ±0.2° / GHz | Phase Change vs. Temperature (-45~+85℃) | ≤ 1500 PPM |
Attenuation & Power Handling @ 25℃ & Sea Level
Insertion Loss Calculation Formula:
IL = K1 * sqrt(F_MHz) + K2 * F_MHz (K1 = 1.0994853, K2 = 0.0005906)
| Frequency (MHz) | Nom. Attenuation (dB/100m) | Max Power Handling (W @ 40℃) |
|---|---|---|
| 500 | 24.88 | 742 |
| 1000 | 35.36 | 522 |
| 2400 | 55.28 | 334 |
| 3000 | 61.99 | 298 |
| 6000 | 88.71 | 208 |
| 8000 | 103.07 | 179 |
| 10000 | 115.85 | 159 |
| 12400 | 129.76 | 142 |
| 18000 | 158.14 | 117 |
| 26500 | 194.63 | 95 |
| 31000 | 211.89 | 87 |
Cross Reference / Equivalent Models:PSE460L-31G-F is functionally equivalent and interchangeable with standard industry models like SFT-142, offering enhanced phase stability and low attenuation up to 31GHz.
Frequently Asked Questions
What is the maximum operating frequency of PSE460L-31G-F?
The PSE460L-31G-F operates up to 31 GHz with an attenuation of 211.89 dB/100m at 31 GHz.
What shielding structure is used in PSE460L-31G-F to ensure >90 dB screening effectiveness?
It uses a triple shielding design consisting of a Silver Plated Copper Strip (inner shield), High Temperature Aluminum Foil (interlayer), and Silver Plated Copper Wire Braid (outer shield).
How does PSE460L-31G-F perform under flexure?
It offers ultra-stable phase performance with a Phase Change vs. Bending specification of ±0.2° / GHz and a dynamic minimum bend radius of 46.00 mm.
