The Keysight 85131F is a high-performance 3.5 mm flexible cable set designed for vector network analyzer measurements. This matched pair of flexible cables operates from DC to 26.5 GHz, providing exceptional phase and amplitude stability during flexure. It is widely used in precision RF and microwave test setups to connect the analyzer test port to the device under test (DUT) with minimal insertion loss and reflection.
Specifications
Electrical Performance
| Parameter | Value |
|---|---|
| Frequency Range | DC to 26.5 GHz |
| Nominal Impedance | 50 Ω |
Mechanical & Physical
| Parameter | Value |
|---|---|
| Cable Construction Type | Flexible |
| Number of Cables in Set | 2 |
| Cable 1 Connectors | 3.5 mm (f) to 3.5 mm (m) |
| Cable 2 Connectors | 3.5 mm (f) to slotless 3.5 mm (f) |
| Nominal Cable Length | 62.2 cm (24.5 in) |
| Recommended Coupling Torque | 90 N-cm (8 lb-in) |
| Connector Hex Size | 5/16 inch (8 mm) for DUT side |
Technology
Coaxial Transmission Line
Applications
Vector Network Analyzer (VNA) Test Port Interconnect