The Keysight 85133H is a flexible test port cable engineered for precision RF and microwave measurements to 50 GHz. It terminates with a female 2.4 mm NMD connector (test port end) and male 2.4 mm connector (device end), delivering exceptional signal integrity across demanding laboratory and production test environments.
Technical Specifications
Connector Configuration
• Female NMD-2.4 mm (test port connector)
• Male 2.4 mm (device connector)
• Cable length: 63 cm (25 inches)
• Frequency range: DC to 50 GHz
Electrical Performance
• Return loss: ≥15 dB
• Insertion loss (test port): ≤0.450 + 0.013F + 0.300√F dB (F in GHz)
• Insertion loss (device connector): ≤3.22 dB at maximum frequency
• Phase stability (90° bend, 2.5-inch radius): ≤0.08 dB magnitude change; ≤0.08°F + 0.5° phase change
• Random use stability (typical): ≤0.04 dB magnitude change; <0.04°F + 0.5° phase change
Physical Properties
• Minimum bend radius: 4 inches (10 cm)
• Stability characterization radius: 2.5 inches (6.352 cm)
Environmental Ratings
• Operating temperature: +20 °C to +26 °C
• Storage temperature: −40 °C to +75 °C
• Operating altitude: <4,500 meters
• Operating humidity: Up to 80% at 30 °C (non-condensing)
• Storage humidity: Up to 95% at 40 °C (non-condensing)
– Key Features
• Rugged female NMD-2.4 mm connector optimized for network analyzer test ports
• Controlled insertion loss across the full DC to 50 GHz band
• Minimal phase variation under typical and bent conditions
• Flexible construction supports lab and production testing workflows
– Typical Applications
Network analyzer calibration and measurement, S-parameter testing, component characterization, and precision RF signal routing in microwave test systems.
– Compatibility & Integration
Designed specifically for Keysight network analyzers equipped with male NMD-2.4 mm test ports. The female NMD-2.4 mm connector does not mate with standard male connectors.
