Agilent/Keysight 11903C

The Agilent/Keysight 11903C is a metrology-grade adapter that connects 2.4 mm male connectors to Type-N female connectors across RF and microwave frequencies. Designed for precision measurement environments, this adapter delivers the electrical performance required in calibration systems and high-accuracy test setups.

– Technical Specifications

• Connector Configuration: 2.4 mm male to Type-N female
• Frequency Range: DC to 18 GHz
• Return Loss: > 28 dB
• Repeatability: −48 dB
• Electrical Length: 46.1 mm (1.85 in)
• Overall Length: 57.4 mm (2.26 in)
• Diameter: 15.7 mm (0.62 in)
• Grade: Metrology

– Key Features

• Metrology-grade construction ensures performance stability across temperature and time
• Return loss exceeding 28 dB minimizes signal reflections in critical measurement chains
• Repeatability of −48 dB enables low-uncertainty connection cycling
• DC to 18 GHz bandwidth supports diverse RF and microwave test applications
• Compact geometry (57.4 mm overall length, 15.7 mm diameter) integrates into confined test fixtures and instrument configurations
• Known electrical length simplifies calibration and network analyzer setups

– Typical Applications

• Vector network analyzer (VNA) calibration kits
• Precision impedance matching and characterization
• High-frequency component and subsystem measurement
• Production calibration and traceability verification
• Microwave system integration and verification

– Compatibility & Integration

The 11903C bridges 2.4 mm and Type-N connector ecosystems, enabling connection between instrumentation ports and components using either standard. Electrical length specification (46.1 mm) supports accurate phase reference establishment in calibrated measurement systems. Metrology grading qualifies this adapter for use in accredited calibration laboratories and traceable measurement chains.